funder-graph › Recipients
Who funds Open Space Institute Inc
EIN 52-1053406 · New York, NY · NTEE C30
Open Space Institute Inc of New York, NY (EIN 52-1053406) was named as a grant recipient by 164 funders in 408 grants paid totaling $26,208,228 in tax years 2018–2026, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$26,208,228
408 grants paid
Funders
164
distinct grantmakers
Tax years
2018–2026
as reported by funders
Approved for future payment
$138,600
not included in grants received
Funders
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 419 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2026 | The Derald H Ruttenberg Foundation | Open Space Institute New York, NY | B | $9,766 | paid | PUBLIC CHARITIES | 202641269349101704 |
| 2025 | Head & Heart Foundation TR 12319 | Open Space Institute New York, NY | B | $250,000 | paid | GENERAL SUPPORT | 202611329349104031 |
| 2025 | Run Wild Inc | Open Space Institute New York City, NY | A | $205,000 | paid | SUPPORT LAND CONSERVATION AND STEWARDSHIP | 202641279349302509 |
| 2025 | Women Arts and Acres Foundation | Open Space Institute New York, NY | B | $150,000 | paid | LAND CONSERVATION | 202631349349104063 |
| 2025 | Donor Advised Charitable Giving Inc | Open Space Institute New York, NY | A | $134,425 | paid | ENVIRONMENTAL AND ANIMALS | 202611199349300601 |
| 2025 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $90,785 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | National Philanthropic Trust | Open Space Institute Inc New York, NY | A | $69,800 | paid | ENVIRONMENT, ANIMALS | 202601289349302480 |
| 2025 | Sarracenia Foundation Inc | Open Space Institute New York, NY | B | $50,000 | paid | GENERAL FUND | 202630829349100328 |
| 2025 | Jewish Communal Fund | Open Space Institute Inc New York, NY | A | $50,000 | paid | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | 202640629349300234 |
| 2025 | The Ayco Charitable Foundation | Open Space Institute Inc New York, NY | A | $33,250 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202621349349304192 |
| 2025 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $30,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202621219349100402 |
| 2025 | American Conservation Association Inc | Open Space Institute New York, NY | B | $25,000 | approved, future | 20K GENERAL 15K WILLIAM MCHENRY | 202601359349104045 |
| 2025 | Vanguard Charitable Endowment Program | Open Space Institute Inc New York, NY | A | $24,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | Steven C Leuthold Family Foundation | Open Space Institute New York, NY | B | $20,000 | paid | OPARATIONS | 202641269349101239 |
| 2025 | Palladium Foundation | Open Space Institute New York, NY | B | $20,000 | paid | VARIOUS | 202523519349100407 |
| 2025 | Whyhunger Inc | Open Space Institute New York, NY | A | $20,000 | paid | FIGHT HUNGER | 202631979349300818 |
| 2025 | Helen & William Mazer Foundation | Open Space Institute New York, NY | B | $20,000 | paid | CHARITABLE PURPOSES. | 202543459349100704 |
| 2025 | The Watts Family Foundation | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL OPERATING GRANT | 202640639349100909 |
| 2025 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | paid | 10K GENERAL 5K WILLIAM MCHENRY | 202601359349104045 |
| 2025 | Strachan & Vivian H Donnelley Foundation | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL SUPPORT | 202631279349102888 |
| 2025 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $10,000 | paid | The Lake Placid Trailhead | 202621219349101802 |
| 2025 | Trout Walk Foundation | Open Space Institute Inc New York, NY | B | $10,000 | paid | General & Unrestricted | 202641349349102509 |
| 2025 | Thomas F Staley Foundation C/O Diane S Bernard | Open Space Institute New York, NY | B | $7,500 | paid | General Contribution | 202601749349100900 |
| 2025 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $6,000 | paid | GENERAL | 202641339349105019 |
| 2025 | American Online Giving Foundation Inc | Open Space Institute Inc New York, NY | A | $5,650 | paid | GENERAL SUPPORT | 202533509349301608 |
| 2025 | American Online Giving Foundation Inc | Open Space Institute Inc New York, NY | A | $5,650 | paid | GENERAL SUPPORT | 202641969349302754 |
| 2025 | Charina Foundation Inc Richard Menschel | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL SUPPORT | 202600149349100205 |
| 2025 | Ernst & Elfriede Frank Foundation Inc | Open Space Institute Inc New York, NY | B | $5,000 | paid | GENERAL CHARITABLE | 202513589349100701 |
| 2025 | Curtis W Mcgraw Foundation | Open Space Institute Inc New York, NY | B | $5,000 | paid | UNRESTRICTED GENERAL | 202631489349100123 |
| 2025 | The Harding Family Foundation | Open Space Institute New York, NY | B | $2,500 | paid | General | 202512199349101011 |
| 2025 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 202631279349101518 |
| 2025 | William Mead Regan Foundation | Open Space Institute New York, NY | B | $1,000 | paid | General Purposes | 202630699349100113 |
| 2025 | Syd & Jan M Silverman Foundation Inc | Open Space Institute Inc New York, NY | B | $1,000 | paid | UNRESTRICTED GENERAL | 202502389349101500 |
| 2025 | Mark L Serventi Family Foundation | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL FUNDS DONATION | 202631329349101873 |
| 2025 | The Nancy Evans Hays Foundationinc C/O West & Company Cpas Pc | Open Space Institute Albany, NY | C | $500 | paid | GRANT | 202601359349101360 |
| 2025 | Kvistad Foundation | Open Space Institute New York, NY | B | $500 | paid | HUMANITARIAN | 202631359349101098 |
| 2025 | Shuree Abrams Foundation | Open Space Instittute New York, NY | C | $100 | paid | CONSERVATION | 202611059349101166 |
| 2025 | Hegarty Family Foundation | Open Space Institute New York, NY | B | $0 | paid | provide support to donee organizationfor organizational expenses | 202641359349103704 |
| 2024 | National Philanthropic Trust | Open Space Institute Inc New York, NY | A | $4,813,408 | paid | EDUCATION | 202511339349301311 |
| 2024 | Lytton-Kambara Foundation | Open Space Institute Inc New York, NY | B | $1,200,000 | paid | on-going land conservation and greenway trail projects undertaken by the grantee in the Shawangunk Mountain Region of New York State | 202513189349102701 |
| 2024 | Thomas L Kempner Jr Foundation | Open Space Institute Inc New York, NY | B | $519,660 | paid | GREENWAY TRAILS ACQUISITION PROGRAM | 202543089349101329 |
| 2024 | Head & Heart Foundation TR 12319 | Open Space Institute New York, NY | B | $250,000 | paid | GENERAL SUPPORT | 202521289349101857 |
| 2024 | Donor Advised Charitable Giving Inc | Open Space Institute New York, NY | A | $217,110 | paid | ENVIRONMENTAL AND ANIMALS | 202541069349300729 |
| 2024 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $155,710 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Shelby Cullom Davis Charitable Fund Inc | Open Space Institute Inc New York, NY | B | $150,000 | paid | General & Unrestricted | 202502899349100920 |
| 2024 | Tortuga Charitable Foundation | Open Space Institute Inc New York, NY | B | $100,000 | paid | Charitable | 202540659349100919 |
| 2024 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $100,000 | paid | CATALYZING LAND PROTECTION FOR CLIMATE CHANGE: SCIENCE, CAPACITY BUILDING, AND RESILIENT COMMUNITIES | 202533179349101958 |
| 2024 | The Sidney J Weinberg Jr Foundation | Open Space Institute New York, NY | B | $100,000 | paid | GENERAL PURPOSE | 202513169349100641 |
| 2024 | Viridi Futuro Foundation | Open Space Institute Inc New York, NY | B | $100,000 | paid | GENERAL SUPPORT | 202522189349100227 |
| 2024 | Palladium Foundation | Open Space Institute New York, NY | B | $95,000 | paid | VARIOUS | 202510569349100226 |
| 2024 | Open Space Institute Land Trust Inc | Open Space Institute Inc New York, NY | A | $92,762 | paid | GENERAL OPERATING SUPPORT | 202513119349302091 |
| 2024 | Land Trust Alliance Inc | Open Space Institute Inc New York, NY | A | $82,000 | paid | CAPACITY BUILDING | 202533189349307743 |
| 2024 | Central Carolina Community Foundation | Open Space Institute New York, NY | A | $77,791 | paid | GENERAL SUPPORET | 202531359349313398 |
| 2024 | Kampgrounds of America Foundation | Open Space Institute Inc New York, NY | B | $77,000 | paid | GET OUT THERE BAGS/Accessibility to the Outdoors initiative | 202521339349100732 |
| 2024 | Community Foundation of New Jersey | Open Space Institute New York, NY | A | $76,700 | paid | ENVIRONMENT CONSERVATION | 202543189349311964 |
| 2024 | Rockefeller Philanthropy Advisors Inc | Open Space Institute New York, NY | A | $75,000 | paid | ENVIRONMENT | 202513189349306886 |
| 2024 | Louis and Anne Abrons Foundation Inc | Open Space Institute Inc New York, NY | B | $75,000 | paid | General & Unrestricted | 202503149349100230 |
| 2024 | Rhoads Jr Jay-Environmental Fund TR | Open Space Institute Inc New York, NY | B | $65,000 | paid | GENERAL OPERATING | 202511269349102866 |
| 2024 | Vanguard Charitable Endowment Program | Open Space Institute Inc New York City, NY | A | $63,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202511349349313096 |
| 2024 | American Endowment Foundation | Open Space Institute Inc New York, NY | A | $62,500 | paid | ENVIRONMENTAL | 202513219349310376 |
| 2024 | Jewish Communal Fund | Open Space Institute Inc New York, NY | A | $52,500 | paid | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | 202500369349300210 |
| 2024 | Fredman Family Foundation Inc | Open Space Institute New York, NY | B | $50,000 | paid | TO SUPPORT THE PROTECTION OF LAND IN THE EASTERN U.S. | 202543149349102674 |
| 2024 | Shelby Cullom Davis Charitable Fund Inc | Open Space Institute Inc New York, NY | B | $50,000 | paid | Charitable Event | 202502899349100920 |
| 2024 | Social and Environmental Entrepreneurs (see) Inc | Open Space Institute Inc New York, NY | A | $50,000 | paid | COLLABORATION GRANT | 202513219349313001 |
| 2024 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $45,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202541279349100114 |
| 2024 | The Ayco Charitable Foundation | Open Space Institute Inc New York, NY | A | $39,750 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202543109349303959 |
| 2024 | City Parks Foundation Inc | Open Space Institute Inc New York, NY | A | $36,800 | paid | MAINTAIN, PROGRAM AND ACTIVATE NYC OPEN SPACES | 202533089349302348 |
| 2024 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $35,000 | paid | GENERAL OPERATING SUPPORT | 202533179349101958 |
| 2024 | The Stainman Family Foundation Inc | Open Space Institute New York, NY | B | $35,000 | paid | GENERAL | 202513089349101001 |
| 2024 | Overhills Foundation C/O Dab Management Company LLC | Open Space Institute Inc New York, NY | B | $33,000 | paid | General Support;ListTotal 30000;ListTotal 0 | 202522859349100102 |
| 2024 | The Van Der Stricht Foundation | Open Space Institute New York, NY | B | $30,305 | paid | ORGANIZATION'S GENERAL | 202531289349100543 |
| 2024 | The Merlin Foundation | Open Space Institute New York, NY | B | $30,000 | paid | GENERAL PURPOSE | 202502869349101010 |
| 2024 | Whyhunger Inc | Open Space Institute New York, NY | A | $25,000 | paid | FIGHT HUNGER | 202501769349300410 |
| 2024 | The Topfield Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | TO FURTHER DONEES EXEMPT PURPOSE | 202502809349100025 |
| 2024 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $25,000 | paid | Adirondack Project | 202531359349101903 |
| 2024 | Prospect Hill Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | LEADERSHIP TRANSITION | 202540579349100914 |
| 2024 | Two Lights Foundation Inc | Open Space Institute New York, NY | B | $24,200 | paid | GENERAL USE | 202533179349102588 |
| 2024 | Helen & William Mazer Foundation | Open Space Institute New York, NY | B | $20,000 | paid | CHARITABLE PURPOSES. | 202403489349100015 |
| 2024 | Geraldine R Dodge Foundation Inc | Open Space Institute Inc New York, NY | B | $20,000 | paid | SUPPORT THE KIM ELLIMAN FUND | 202543109349100629 |
| 2024 | Robert Rauschenberg Foundation | Open Space Institute New York, NY | B | $17,600 | paid | SUPPORT BLACK & INDIGENOUS COMMUNITIES-CULTURAL PRESERVATION | 202531049349100928 |
| 2024 | The Watts Family Foundation | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL OPERATING GRANT | 202500479349100100 |
| 2024 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | approved, future | 10K GENERAL 15K WILLIAM MCHENRY | 202523159349101457 |
| 2024 | Mills Bee Lane Memorial Foundation C/O South State Bank | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL PURPOSE | 202541559349100804 |
| 2024 | Resist Inc | Black Urban Growers New York, NY | A | $15,000 | paid | SPRING 2024 REGRANTING (BLACK URBAN GROWERS) | 202542979349302054 |
| 2024 | The Meier and Linnartz Family Foundation C/O John Linnartz | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL SUPPORT | 202502899349100615 |
| 2024 | Guffey Family Foundation | Open Space Institute Inc New York, NY | B | $15,000 | paid | UNRESTRICTED GENERAL | 202513189349104396 |
| 2024 | The Rebecca C Parsons Foundation | Open Space Institute New York, NY | B | $15,000 | paid | Charitable | 202531479349101058 |
| 2024 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | paid | 10K GENERAL 5K WILLIAM MCHENRY | 202523159349101457 |
| 2024 | Woodard & Curran Foundation | Open Space Institute New York, NY | A | $10,000 | paid | General operating support | 202511259349301146 |
| 2024 | Advocates for Climate Innovation | Open Space Institute New York, NY | B | $10,000 | paid | UNRESTRICTED GENERAL INSTITUTIONAL SUPPORT | 202522939349100122 |
| 2024 | The New York Community Trust | Open Space Institute Inc New York, NY | A | $10,000 | paid | FOR GENERAL SUPPORT. | 202523149349305672 |
| 2024 | The New York Community Trust | Open Space Institute Inc New York, NY | A | $10,000 | paid | FOR PROGRAM SUPPORT. | 202523149349305672 |
| 2024 | Natural Resources Defense Council Inc | Open Space Institute Inc New York, NY | A | $10,000 | paid | ENV. ADVOCACY | 202541339349309704 |
| 2024 | Dan and Merrie Boone Foundation Inc | Open Space Institute Inc New York, NY | B | $10,000 | paid | General & Unrestricted | 202542689349100914 |
| 2024 | The Matthew Marks Charitable Trust | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL CHARITABLE PURPOSE | 202543179349102644 |
| 2024 | The Nature Conservancy | Open Space Institute Inc New York, NY | A | $9,170 | paid | CONSERVATION ACTIVITIES | 202511289349301711 |
| 2024 | The New York Community Trust | Open Space Institute Inc New York, NY | A | $6,950 | paid | FOR GENERAL SUPPORT. | 202523149349305672 |
| 2024 | American Online Giving Foundation Inc | Open Space Institute Inc New York, NY | A | $6,532 | paid | GENERAL SUPPORT | 202530159349302758 |
| 2024 | Coastal Community Foundation of South Carolina Inc | Open Space Institute Inc New York, NY | A | $6,000 | paid | ENVIRONMENT | 202503159349303100 |
| 2024 | Wilburforce Foundation C/O Lisa Weinstein | Open Space Institute Inc New York, NY | B | $5,000 | paid | ENVIRONMENTAL - OASIS: A GREEN EQUITY COLLECTIVE | 202533189349103843 |
| 2024 | Curtis W Mcgraw Foundation | Open Space Institute Inc New York, NY | B | $5,000 | paid | UNRESTRICTED GENERAL | 202511339349104716 |
| 2024 | Lostand Foundation C/O Jonathan F P Rose | Open Space Institute Inc New York, NY | B | $5,000 | paid | GENERAL SUPPORT | 202522559349100907 |
| 2024 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $5,000 | approved, future | GENERAL OPERATING SUPPORT | 202533179349101958 |
| 2024 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL | 202511289349101806 |
| 2024 | Mcintosh Foundation | Open Space Institute New York, NY | B | $4,670 | paid | Environmental | 202521299349100047 |
| 2024 | Robert Rauschenberg Foundation | Open Space Institute New York, NY | B | $4,000 | approved, future | SUPPORT BLACK & INDIGENOUS COMMUNITIES-CULTURAL PRESERVATION | 202531049349100928 |
| 2024 | The Clyde and Summer Anderson Foundation | Open Space Institute New York, NY | B | $4,000 | paid | BENEVOLENT DONATION | 202531349349101958 |
| 2024 | Charina Foundation Inc Richard Menschel | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL SUPPORT | 202520159349100122 |
| 2024 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 202512319349100726 |
| 2024 | Henry M Blackmer Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | General | 202541689349100219 |
| 2024 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $2,000 | paid | Land Conservation Work in the Champlain Valley | 202531359349101903 |
| 2024 | Land Family Foundation | Open Space Institute New York, NY | B | $1,340 | paid | GENERAL CHARITABLE PURPOSE | 202531989349100103 |
| 2024 | Syd & Jan M Silverman Foundation Inc | Open Space Institute Inc New York, NY | C | $1,000 | paid | UNRESTRICTED GENERAL | 202402009349100850 |
| 2024 | Thomas F Staley Foundation C/O Diane S Bernard | Open Space Institute New York, NY | B | $1,000 | paid | General Contribution | 202512309349100406 |
| 2024 | Strong Foundation of New York | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL SUPPORT | 202442269349100009 |
| 2024 | The Beta Foundation | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL SUPPORT | 202523159349102012 |
| 2024 | The Harding Family Foundation | Open Space Institute New York, NY | B | $1,000 | paid | General | 202422049349100557 |
| 2024 | Weeden Foundation | Open Space Institute New York, NY | B | $1,000 | paid | GRANT | 202503219349108035 |
| 2024 | Shuree Abrams Foundation | Open Space Instittute New York, NY | C | $600 | paid | CONSERVATION | 202531129349100823 |
| 2024 | Altman Foundation | Open Space Institute New York, NY | B | $300 | approved, future | MATCHING GIFT FOR PROGRAMS AND INITIATIVES IN NEW YORK | 202513169349103621 |
| 2024 | Altman Foundation | Open Space Institute New York, NY | B | $300 | paid | MATCHING GIFT FOR PROGRAMS AND INITIATIVES IN NEW YORK | 202513169349103621 |
| 2024 | Hegarty Family Foundation | Open Space Institute New York, NY | B | $0 | paid | provide support to donee organizationfor organizational expenses | 202501349349103555 |
| 2023 | Lytton-Kambara Foundation | Open Space Institute Inc New York, NY | B | $950,000 | paid | land conservation and greenway trail projects in the Shawangunk Mountain region of New York State | 202443189349102059 |
| 2023 | Rhoads Jr Jay-Environmental Fund TR | Open Space Institute Inc New York, NY | B | $300,000 | paid | GENERAL OPERATING | 202411289349103866 |
| 2023 | Head & Heart Foundation TR 12319 | Open Space Institute New York, NY | B | $250,000 | paid | GENERAL SUPPORT | 202431319349102018 |
| 2023 | Burnham Family Foundation | Open Space Institute Inc New York, NY | B | $100,929 | paid | General & Unrestricted | 202413209349107096 |
| 2023 | Open Space Institute Land Trust Inc | Open Space Institute Inc New York, NY | A | $91,477 | paid | STEWARDSHIP | 202422999349301857 |
| 2023 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $83,001 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | The Rebecca C Parsons Foundation | Open Space Institute Inc New York, NY | B | $75,000 | paid | Charitable | 202413409349100701 |
| 2023 | Land Trust Alliance Inc | Open Space Institute Inc New York, NY | A | $75,000 | paid | CAPACITY BUILDING | 202423119349301567 |
| 2023 | Schwab Charitable Fund | Open Space Institute New York, NY | A | $64,750 | paid | ENVIRONMENTAL AND ANIMALS | 202411039349301716 |
| 2023 | The Van Der Stricht Foundation | Open Space Institute New York, NY | B | $60,454 | paid | ORGANIZATION'S GENERAL | 202431349349100048 |
| 2023 | American Endowment Foundation | Open Space Institute Inc New York, NY | A | $51,750 | paid | ENVIRONMENTAL | 202442479349301654 |
| 2023 | Kampgrounds of America Foundation | Open Space Institute Inc New York, NY | B | $50,000 | paid | GET OUT THERE BAGS | 202431299349101423 |
| 2023 | Louis and Anne Abrons Foundation Inc | Open Space Institute Inc New York, NY | B | $40,000 | paid | General & Unrestricted | 202433169349100813 |
| 2023 | The Ayco Charitable Foundation | Open Space Institute Inc New York, NY | A | $40,000 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202413109349304401 |
| 2023 | Overhills Foundation C/O Dab Management Company LLC | Open Space Institute Inc New York, NY | B | $34,000 | paid | General Support;ListTotal 30000;ListTotal 0 | 202422869349100002 |
| 2023 | The New York Community Trust | Open Space Institute Inc New York, NY | A | $30,000 | paid | FOR PROGRAM SUPPORT. | 202443179349309079 |
| 2023 | The Merlin Foundation | Open Space Institute New York, NY | B | $30,000 | paid | GENERAL PURPOSE | 202412079349100821 |
| 2023 | Community Foundation of New Jersey | Open Space Institute New York, NY | A | $30,000 | paid | UNRESTRICTED GRANT TO SUPPORT ORGANIZATION'S EXEMPT PURPOSE | 202423209349302727 |
| 2023 | Pathfinder Foundation Inc | Open Space Institute Inc New York, NY | B | $30,000 | paid | General & Unrestricted | 202403209349107095 |
| 2023 | The Stainman Family Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL | 202443209349102144 |
| 2023 | Helen & William Mazer Foundation | Open Space Institute New York, NY | B | $25,000 | paid | CHARITABLE PURPOSES. | 202313119349102266 |
| 2023 | Whyhunger Inc | Open Space Institute New York, NY | A | $25,000 | paid | FIGHT HUNGER | 202421559349300027 |
| 2023 | The Ceres Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | truck for site visits | 202510419349101111 |
| 2023 | Natural Resources Defense Council Inc | Open Space Institute New York, NY | A | $21,000 | paid | ENV. ADVOCACY | 202401349349304565 |
| 2023 | Claneil Foundation Inc | Open Space Institute Inc New York, NY | B | $20,000 | paid | GENERAL OPERATING | 202413169349102401 |
| 2023 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $20,000 | paid | General Support | 202402919349101200 |
| 2023 | City Parks Foundation Inc | Open Space Institute Inc New York, NY | A | $15,410 | paid | MAINTAIN, PROGRAM AND ACTIVATE NYC OPEN SPACES | 202403209349325185 |
| 2023 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | paid | 10K GENERAL 5K WILLIAM MCHENRY | 202403169349101480 |
| 2023 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | approved, future | 10K GENERAL 15K WILLIAM MCHENRY | 202403169349101480 |
| 2023 | Kampgrounds of America Foundation | Open Space Institute Inc New York, NY | B | $15,000 | paid | GET OUT THERE BAGS | 202431299349101423 |
| 2023 | Strachan & Vivian H Donnelley Foundation | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL | 202433179349102243 |
| 2023 | W L Lyons Brown Foundation | Open Space Institute New York, NY | B | $15,000 | paid | PROGRAM SUPPORT | 202421209349100317 |
| 2023 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $15,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202441219349101559 |
| 2023 | Kaufman Family Foundation | Open Space Institute New York, NY | B | $15,000 | paid | GENERAL SUPPORT | 202401939349100135 |
| 2023 | Vanguard Charitable Endowment Program | Open Space Institute Inc New York, NY | A | $10,875 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202441359349309439 |
| 2023 | Central New York Community Foundation Inc | The Haven at Skanda Cazenovia, NY | A | $10,500 | paid | GENERAL SUPPORT; PROGRAM SUPPORT | 202342979349301869 |
| 2023 | In Our Backyards Inc | Open Space Institute New York, NY | A | $10,071 | paid | TO PROVIDE FUNDING FOR PLANT MEDICINE EDUCATION AT KELLY STREET GARDEN | 202433129349301883 |
| 2023 | Universal Music All Together Now Foundation Inc | Open Space Institute Inc New York, NY | B | $10,000 | paid | GENERAL OPERATING SUPPORT | 202402489349100810 |
| 2023 | The Meier and Linnartz Family Foundation C/O John Linnartz | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL SUPPORT | 202412019349100306 |
| 2023 | Mills Bee Lane Memorial Foundation C/O South State Bank | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL PURPOSE | 202423209349102442 |
| 2023 | Rockefeller Philanthropy Advisors Inc | Open Space Institute New York, NY | A | $10,000 | paid | GENERAL | 202433159349300308 |
| 2023 | Linden Trust for Conservation | Open Space Institute New York, NY | B | $10,000 | paid | UNRESTRICTED GENERAL INSTITUTIONAL SUPPORT | 202402849349100315 |
| 2023 | Foundation M | Open Space Institute New York, NY | B | $10,000 | paid | General Purpose | 202411359349101021 |
| 2023 | Black Farmer Fund Inc | Open Space Institute New York, NY | A | $8,000 | paid | ECOSYSTEM GRANT | 202441359349305014 |
| 2023 | National Philanthropic Trust | Open Space Institute Inc New York, NY | A | $7,250 | paid | ENVIRONMENT, ANIMALS | 202431429349301368 |
| 2023 | Mercy for Animals Inc | Open Space Institute New York, NY | A | $6,000 | paid | TRANSFARMATION OUTREACH GRANT | 202413199349301516 |
| 2023 | Coastal Community Foundation | Open Space Institute Inc New York, NY | A | $6,000 | paid | ENVIRONMENT | 202413169349300136 |
| 2023 | David & Candace Weir Foundation | Open Space Institute Inc New York, NY | C | $5,000 | paid | GENERAL CHARITABLE PURPOSES | 202403099349100830 |
| 2023 | Curtis W Mcgraw Foundation | Open Space Institute Inc New York, NY | B | $5,000 | paid | UNRESTRICTED GENERAL | 202441519349101504 |
| 2023 | Morgan Stanley Global Impact Funding Trust Inc | Open Space Institute Inc New York, NY | A | $5,000 | paid | UNRESTRICTED GENERAL SUPPORT | 202403209349313980 |
| 2023 | Ernst & Elfriede Frank Foundation Inc | Open Space Institute Inc New York, NY | B | $5,000 | paid | GENERAL CHARITABLE | 202420319349101717 |
| 2023 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL OPERATING SUPPORT | 202413189349103681 |
| 2023 | Cloudsplitter Foundation | Open Space Institute New York, NY | B | $3,750 | paid | General Charitable | 202433049349101013 |
| 2023 | The Corita Charitable Trust Mcgrath & Company Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL SUPPORT | 202402899349100205 |
| 2023 | Anna-Maria and Stephen Kellen Foundation Inc C/O Joel E Sammet & Co Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL TAX EXEMPT PURPOSES | 202400749349100730 |
| 2023 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL | 202431359349101243 |
| 2023 | Charina Foundation Inc Richard Menschel | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL SUPPORT | 202410469349101136 |
| 2023 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 202421299349102177 |
| 2023 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $2,000 | paid | Land Conservation Work in the Champlain Valley | 202402919349101200 |
| 2023 | Leen Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. | 202421369349102932 |
| 2023 | The Nancy Evans Hays Foundationinc C/O West & Company Cpas Pc | Open Space Institute New York, NY | B | $2,000 | paid | GRANT | 202421349349103492 |
| 2023 | The Pfizer Foundation Inc | Open Space Institute Inc New York, NY | B | $2,000 | paid | MATCHING GIFTS | 202412839349100921 |
| 2023 | Henry M Blackmer Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | General | 202441309349102769 |
| 2023 | Merck Family Fund | Open Space Institute New York, NY | B | $2,000 | paid | DISCRETIONARY | 202413209349106461 |
| 2023 | Magnolia Plantation Foundation | Open Space Institute New York, NY | B | $1,500 | paid | SUPPORT AND FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT ORGANIZATION | 202520389349100602 |
| 2023 | The Beta Foundation | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL SUPPORT | 202433099349101008 |
| 2023 | Thomas F Staley Foundation C/O Diane S Bernard | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL CONTRIBUTION | 202402209349100810 |
| 2023 | Land Family Foundation | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL CHARITABLE PURPOSE | 202411629349100506 |
| 2023 | Shuree Abrams Foundation | Open Space Instittute New York, NY | C | $500 | paid | CONSERVATION | 202431319349102823 |
| 2023 | Strong Foundation of New York | Open Space Institute New York, NY | B | $500 | paid | GENERAL SUPPORT | 202311789349100626 |
| 2023 | Cedarhurst Foundation | Open Space Institute New York, NY | B | $500 | paid | GENERAL USE | 202420229349100107 |
| 2023 | Altman Foundation | Open Space Institute New York, NY | B | $300 | approved, future | MATCHING GRANT FOR PROGRAMS AND INIATIVES IN NEW YORK | 202443109349101489 |
| 2023 | Texas Instruments Foundation | Open Space Institute Inc New York, NY | B | $160 | paid | DONATIONS TO COLLEGES, UNIVERSITIES AND OTHER ORGANIZATIONS UNDER "MATCHING GIFTS PROGRAM." | 202412569349100701 |
| 2023 | Findlay Family Foundation C/O Peter Findlay | Open Space Institute New York, NY | B | $100 | paid | SUPPORT GRANT | 202412409349100801 |
| 2023 | Amazonsmile Foundation | Open Space Institute Inc New York, NY | B | $31 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2023 | Hegarty Family Foundation | Open Space Institute New York, NY | B | $0 | paid | provide support to donee organizationfor organizational expenses | 202440929349100614 |
| 2022 | Lytton-Kambara Foundation | Open Space Institute Inc New York, NY | B | $1,000,000 | paid | TO SUPPORT THE ON-GOING WORK OF OSI ON THE SHAWANGUNK RIDGE | 202343199349110004 |
| 2022 | Lyndhurst Foundation Inc | Open Space Institute Inc New York, NY | B | $880,000 | paid | Cradle of Southern Appalachia Land Protection Fund | 202302979349100850 |
| 2022 | The Ceres Foundation Inc | Open Space Institute New York, NY | B | $500,000 | paid | BUCKFIELD PROJECT | 202303359349100405 |
| 2022 | Head & Heart Foundation TR 12319 | Open Space Institute New York, NY | B | $350,000 | paid | GENERAL SUPPORT | 202301309349103775 |
| 2022 | The William & Flora Hewlett Foundation | Open Space Institute Inc New York, NY | B | $125,000 | paid | FOR THE OUTDOORS AMERICA CAMPAIGN | 202343179349104459 |
| 2022 | Shelby Cullom Davis Charitable Fund Inc | Open Space Institute Inc New York, NY | B | $100,000 | paid | Hubbard Perkins Trail Improvements | 202302769349101100 |
| 2022 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $100,000 | paid | ADVANCING LAND PROTECTION FOR FOREST MITIGATION | 202303189349103535 |
| 2022 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $100,000 | paid | ADVANCING FORESTLAND PROTECTION FOR CARBON MITIGATION | 202303189349103535 |
| 2022 | The Center for Less Unpleasant Living Inc | Open Space Institute Inc New York, NY | A | $98,000 | paid | TO SUPPORT INITIATIVE FOR DISABILITY ACCESS TO ALTERNATIVE TRANSPORT | 202341089349301534 |
| 2022 | Schwab Charitable Fund | Open Space Institute New York, NY | A | $91,250 | paid | ENVIRONMENTAL AND ANIMALS | 202330939349300403 |
| 2022 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $84,177 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $84,177 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | Open Space Institute Land Trust Inc | The Open Space Institute Inc New York, NY | A | $70,000 | paid | STEWARDSHIP | 202342899349302469 |
| 2022 | Whyhunger Inc | Open Space Institute New York, NY | A | $60,000 | paid | FIGHT HUNGER | 202331799349301233 |
| 2022 | American Endowment Foundation | Open Space Institute Inc New York, NY | A | $51,500 | paid | ENVIRONMENTAL | 202332499349300338 |
| 2022 | The Dyson Foundation | Open Space Institute New York, NY | B | $50,000 | paid | TOWARDS GENERAL OPERATING SUPPORT. | 202303169349100155 |
| 2022 | Cloudsplitter Foundation | Open Space Institute New York, NY | B | $50,000 | paid | General Charitable | 202301869349100710 |
| 2022 | The Ayco Charitable Foundation | Open Space Institute Inc New York, NY | A | $46,750 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202302859349302265 |
| 2022 | Merck Family Fund | Open Space Institute New York, NY | B | $45,000 | paid | CRADLE OF THE APPALACHIANS EQUITY CATALYST PROGRAM | 202303189349105735 |
| 2022 | Louis and Anne Abrons Foundation Inc | Open Space Institute Inc New York, NY | B | $40,000 | paid | General & Unrestricted | 202313169349100466 |
| 2022 | Land Trust Alliance Inc | Open Space Institute Inc New York, NY | A | $37,500 | paid | CAPACITY-BUILDING | 202313149349302766 |
| 2022 | The Meier and Linnartz Family Foundation C/O John Linnartz | Open Space Institute New York, NY | B | $30,000 | paid | GENERAL SUPPORT | 202333119349101003 |
| 2022 | The Merlin Foundation | Open Space Institute New York, NY | B | $30,000 | paid | GENERAL PURPOSE | 202320969349100707 |
| 2022 | Pathfinder Foundation Inc | Open Space Institute Inc New York, NY | B | $30,000 | paid | Conservation work in South Carolina | 202400129349100110 |
| 2022 | The William & Flora Hewlett Foundation | Open Space Institute Inc New York, NY | B | $30,000 | paid | FOR FUNDRAISING SUPPORT | 202343179349104459 |
| 2022 | The Winterburn Foundation | Open Space Institute Inc New York, NY | B | $25,000 | paid | CONSERVATION | 202330689349100323 |
| 2022 | The Sidney J Weinberg Jr Foundation | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL PURPOSE | 202323179349102902 |
| 2022 | The Stainman Family Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL | 202343199349107359 |
| 2022 | Community Foundation of New Jersey | Open Space Institute New York, NY | A | $25,000 | paid | UNRESTRICTED GRANT TO SUPPORT ORGANIZATION'S EXEMPT PURPOSE | 202302919349301120 |
| 2022 | Overhills Foundation C/O Dab Management Company LLC | Open Space Institute Inc New York, NY | B | $25,000 | paid | General Support;ListTotal 30000;ListTotal 0 | 202302869349100810 |
| 2022 | City Parks Foundation Inc | Open Space Institute Inc Bronx, NY | A | $21,600 | paid | MAINTAIN, PROGRAM AND ACTIVATE NYC OPEN SPACES | 202313209349301106 |
| 2022 | My Good Fund | Open Space Institute New York, NY | B | $20,000 | paid | VARIOUS | 202323079349100947 |
| 2022 | Keith D Stoltz Foundation | Open Space Institute New York, NY | B | $20,000 | paid | TO PROTECT LAND AND MAKE IT AVAILABLE TO ALL VIA PROJECTS THAT SUPPORT THE ESSENTIAL NEED FOR DRINKING WATER, FLOURISHING WILDLIFE, ACCESSIBLE RECREATION, AND THRIVING COMMUNITIES. | 202342409349100769 |
| 2022 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | approved, future | 10K GENERAL 15K WILLIAM MCHENRY | 202333139349102628 |
| 2022 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | paid | 10K GENERAL 5K WILLIAM MCHENRY | 202333139349102628 |
| 2022 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $15,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202331319349105518 |
| 2022 | Mills Bee Lane Memorial Foundation C/O South State Bank | Open Space Institute New York, NY | B | $11,000 | paid | GENERAL PURPOSE | 202313199349104266 |
| 2022 | Kaufman Family Foundation | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL SUPPORT | 202331609349100618 |
| 2022 | Winslow Foundation | Open Space Institute Inc New York, NY | B | $10,000 | paid | General & Unrestricted | 202333129349102303 |
| 2022 | Linden Trust for Conservation | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL OPERATING SUPPORT | 202333069349100233 |
| 2022 | Rockefeller Philanthropy Advisors Inc | Open Space Institute New York, NY | A | $10,000 | paid | GENERAL | 202302569349300030 |
| 2022 | Woodard & Curran Foundation | Open Space Institute New York, NY | A | $10,000 | paid | Support for the Sebago Clean Waters Fund | 202311309349302611 |
| 2022 | Chipotle Cultivate Foundation | Open Space Institute New York, NY | B | $10,000 | approved, future | GENERAL SUPPORT | 202312359349100301 |
| 2022 | National Philanthropic Trust | Open Space Institute Inc New York, NY | A | $6,500 | paid | ENVIRONMENT, ANIMALS | 202311359349313966 |
| 2022 | Curtis W Mcgraw Foundation | Open Space Institute Inc New York, NY | B | $5,000 | paid | UNRESTRICTED GENERAL | 202331589349100428 |
| 2022 | Hamill Family Foundation | Open Space Institute Inc New York, NY | B | $5,000 | paid | Unrestricted | 202333189349104498 |
| 2022 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL OPERATING SUPPORT | 202303189349103535 |
| 2022 | David & Candace Weir Foundation | Open Space Institute Inc New York, NY | C | $5,000 | paid | GENERAL CHARITABLE PURPOSES | 202313199349102756 |
| 2022 | The Ralph E Ogden Foundation Inc | Open Space Institute New York, NY | B | $5,000 | paid | URBAN GROWERS | 202423209349107632 |
| 2022 | Simeon and Jean H Locke Charitable Foundation | Open Space Institute New York, NY | B | $5,000 | paid | FULFILL CHARITABLE PURPOSE | 202332209349101508 |
| 2022 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL | 202301359349102645 |
| 2022 | Burgstahler Foundation | Open Space Institute New York, NY | B | $2,500 | paid | PROTECTS SCENIC, NATURAL AND HISTORIC LANDSCAPES TO ENSURE PUBLIC ENJOYMENT, CONSERVE HABITAT AND WORKING LANDS, AND SUSTAIN COMMUNITIES. | 202302859349100345 |
| 2022 | Charina Foundation Inc Richard Menschel | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL SUPPORT | 202300139349100610 |
| 2022 | Anna-Maria and Stephen Kellen Foundation Inc C/O Joel E Sammet & Co Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL TAX EXEMPT PURPOSES | 202340749349100024 |
| 2022 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 202331319349103133 |
| 2022 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $2,000 | paid | Land Conservation Work in the Champlain Valley | 202341579349101254 |
| 2022 | Henry M Blackmer Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | General | 202301289349101695 |
| 2022 | Coastal Barrier Island Foundation | Open Space Institute New York, NY | B | $2,000 | paid | GENERAL SUPPORT | 202321359349102587 |
| 2022 | Stifler Family Foundation | Open Space Institute New York, NY | B | $1,000 | paid | ENVIRONMENTAL | 202430469349101038 |
| 2022 | Syd & Jan M Silverman Foundation Inc | Open Space Institute Inc New York, NY | C | $1,000 | paid | UNRESTRICTED GENERAL | 202242429349100419 |
| 2022 | Lostand Foundation C/O Jonathan F P Rose | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL SUPPORT | 202302589349100705 |
| 2022 | The Nancy Evans Hays Foundationinc C/O West & Company Cpas Pc | Open Space Institute New York, NY | B | $500 | paid | GRANT | 202333139349100123 |
| 2022 | Hegarty Family Foundation | Open Space Institute New York, NY | B | $500 | paid | provide support to donee organizationfor organizational expenses | 202310589349100616 |
| 2022 | Shiush and Hannah Wang Family Found | Open Space Institute New York, NY | B | $300 | paid | GIFT TO SCHOOL | 202301309349100630 |
| 2022 | Shuree Abrams Foundation | Open Space Instittute New York, NY | C | $100 | paid | CONSERVATION | 202301099349100105 |
| 2022 | Amazonsmile Foundation | Open Space Institute Inc New York, NY | B | $77 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $396,350 | paid | For grant recipient's exempt purposes | 202221339349302787 |
| 2021 | Head & Heart Foundation TR 12319 | Open Space Institute New York, NY | B | $250,000 | paid | GENERAL SUPPORT | 202241319349102949 |
| 2021 | Rhoads Jr Jay-Environmental Fund TR | Open Space Institute Inc New York, NY | B | $200,000 | paid | GENERAL OPERATING | 202221279349100002 |
| 2021 | Schwab Charitable Fund | Open Space Institute New York, NY | A | $72,450 | paid | ENVIRONMENTAL AND ANIMALS | 202230499349301028 |
| 2021 | The Van Der Stricht Foundation Xxx-Xx-Xxxx | Open Space Institute New York, NY | B | $50,272 | paid | ORGANIZATION'S GENERAL | 202241319349104829 |
| 2021 | Cloudsplitter Foundation | Open Space Institute New York, NY | B | $50,000 | paid | General Charitable | 202241619349101304 |
| 2021 | Central New York Community Foundation Inc | The Haven at Skanda Cazenovia, NY | A | $45,500 | paid | GENERAL SUPPORT, COVID19 SUPPORT, STAFF SUPPORT | 202103139349302920 |
| 2021 | Overhills Foundation C/O Dab Management Company LLC | Open Space Institute Inc New York, NY | B | $30,000 | paid | General Support;ListTotal 30000;ListTotal 0 | 202211509349100301 |
| 2021 | The Merlin Foundation | Open Space Institute New York, NY | B | $30,000 | paid | GENERAL PURPOSE | 202220469349101002 |
| 2021 | The Bronx Community Foundation Inc | Open Space Institute New York, NY | A | $27,000 | paid | PROGRAM SUPPORT: FOOD SECURITY | 202231029349300333 |
| 2021 | Helen & William Mazer Foundation | Open Space Institute New York, NY | B | $25,000 | paid | CHARITABLE PURPOSES. | 202113519349100611 |
| 2021 | The Winterburn Foundation | Open Space Institute Inc New York, NY | B | $25,000 | paid | CONSERVATION | 202201269349101715 |
| 2021 | The Stony Point Foundation C/O Andersen Tax | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL SUPPORT | 202123499349101117 |
| 2021 | Vanguard Charitable Endowment Program | Open Space Institute Inc New York, NY | A | $16,500 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202211339349310116 |
| 2021 | Woodard & Curran Foundation | Open Space Institute New York, NY | A | $10,000 | paid | Support for the Sebago Clean Waters Fund | 202201719349300720 |
| 2021 | Prospect Hill Foundation Inc | Open Space Institute New York, NY | B | $10,000 | paid | ADIRONDACK UPPER WORKS (FINAL GRANT) | 202210599349100616 |
| 2021 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $10,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202241249349101969 |
| 2021 | Community Foundation of the Lowcountry Inc | Open Space Institute Inc New York, NY | A | $10,000 | paid | 202133199349308673 | |
| 2021 | Rockefeller Philanthropy Advisors Inc | Open Space Institute New York, NY | A | $10,000 | paid | GENERAL | 202232859349300818 |
| 2021 | National Philanthropic Trust | Open Space Institute Inc New York, NY | A | $6,000 | paid | ENVIRONMENT, ANIMALS | 202231339349309863 |
| 2021 | Nan H Altmayer Charitable Trust Regions Bank Trustee | Open Space Institute Inc New York, NY | B | $6,000 | paid | BLACK URBAN GROWERS | 202113489349101106 |
| 2021 | Citizens Committee for New York City Inc | Open Space Institute New York, NY | A | $5,500 | paid | 202212279349300121 | |
| 2021 | Natural Resources Defense Council Inc | Open Space Institute New York, NY | A | $5,500 | paid | ENV. ADVOCACY | 202231249349302368 |
| 2021 | The Topfield Foundation Inc | Open Space Institute New York, NY | B | $5,000 | paid | TO FURTHER DONEES EXEMPT PURPOSE | 202222719349100602 |
| 2021 | Stephens Foundation | Open Space Institute New York, NY | B | $5,000 | paid | SUPPORT OF THE ORGANIZATION | 202231329349102643 |
| 2021 | Kaufman Family Foundation | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL SUPPORT | 202242429349100539 |
| 2021 | Burgstahler Foundation | Open Space Institute New York, NY | B | $5,000 | paid | PROTECTS SCENIC, NATURAL AND HISTORIC LANDSCAPES TO ENSURE PUBLIC ENJOYMENT, CONSERVE HABITAT AND WORKING LANDS, AND SUSTAIN COMMUNITIES. | 202232709349100108 |
| 2021 | Adirondack Foundation | Open Space Institute Inc New York, NY | A | $5,000 | paid | FOR UNRESTRICTED SUPPORT | 202113129349301336 |
| 2021 | Curtis W Mcgraw Foundation | Open Space Institute Inc New York, NY | B | $5,000 | paid | UNRESTRICTED GENERAL | 202211589349101206 |
| 2021 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL | 202231369349102533 |
| 2021 | Anna-Maria and Stephen Kellen Foundation Inc C/O Joel E Sammet & Co Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL TAX EXEMPT PURPOSES | 202230749349100618 |
| 2021 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 202241539349101204 |
| 2021 | Charina Foundation Inc Richard Menschel | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL SUPPORT | 202133569349100853 |
| 2021 | Henry M Blackmer Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | General | 202231199349100343 |
| 2021 | Leen Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. | 202222529349100002 |
| 2021 | Thomas & Corinne Nyquist Foundation | Open Space Institute New York, NY | B | $1,400 | paid | SIGNS | 202211249349101626 |
| 2021 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $1,000 | paid | Conservation Work in the Champlain Valley | 202201589349101400 |
| 2021 | Thomas F Staley Foundation C/O Diane S Bernard | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL CONTRIBUTION | 202242069349100204 |
| 2021 | Syd & Jan M Silverman Foundation Inc | Open Space Institute Inc New York, NY | B | $1,000 | paid | UNRESTRICTED GENERAL | 202132799349100128 |
| 2021 | Stober Lafer Family Foundation C/O Jill Lafer | Open Space Institute New York, NY | B | $1,000 | paid | CHARITABLE | 202133409349100503 |
| 2021 | Strong Foundation of New York | Open Space Institute New York, NY | B | $500 | paid | GENERAL SUPPORT | 202122079349100112 |
| 2021 | The Bank of America Charitable Foundation Inc | Open Space Institute Inc New York, NY | B | $500 | paid | OPERATIONAL SUPPORT | 202221309349101737 |
| 2021 | Findlay Family Foundation C/O Peter Findlay | Open Space Institute New York, NY | C | $500 | paid | SUPPORT GRANT | 202221259349100342 |
| 2021 | Shuree Abrams Foundation | Open Space Institute New York, NY | B | $100 | paid | CONSERVATION | 202221119349100702 |
| 2020 | The Topfield Foundation Inc | Open Space Institute New York, NY | B | $3,450,000 | paid | TO FURTHER DONEES EXEMPT PURPOSE | 202133199349104998 |
| 2020 | Lyndhurst Foundation Inc | Open Space Institute Inc New York, NY | B | $440,000 | paid | Cradle of Southern Appalachia Land Protection Fund | 202143069349100724 |
| 2020 | Lytton-Kambara Foundation | Open Space Institute Inc New York, NY | B | $300,000 | paid | to support the on-going work of OSI on the Shawangunk Ridge | 202133189349100463 |
| 2020 | The William & Flora Hewlett Foundation | Open Space Institute Inc New York, NY | B | $250,000 | paid | FOR THE OUTDOORS AMERICA CAMPAIGN | 202123079349101542 |
| 2020 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $129,011 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | Rhoads Jr Jay-Environmental Fund TR | Open Space Institute Inc New York, NY | B | $105,000 | paid | GENERAL OPERATING | 202131309349101983 |
| 2020 | Maine Community Foundation Inc | Open Space Institute Inc New York, NY | A | $75,000 | paid | Wildlife Sanctuaries | 202143079349302949 |
| 2020 | Open Space Institute Land Trust Inc | The Open Space Institute Inc New York, NY | A | $70,000 + $43,226 non-cash | paid | STEWARDSHIP | 202133139349303358 |
| 2020 | Tortuga Foundation | Open Space Institute New York, NY | B | $50,000 | paid | GENERAL CHARITABLE PURPOSES | 202141379349102619 |
| 2020 | The Ayco Charitable Foundation | Open Space Institute Inc New York, NY | A | $47,600 | paid | ENVIRONMENT & ANIMAL PROTECTION | 202100749349301125 |
| 2020 | Land Trust Alliance Inc | Open Space Institute New York, NY | A | $40,000 | paid | CAPACITY-BUILDING | 202133169349307108 |
| 2020 | Schwab Charitable Fund | Open Space Institute New York, NY | A | $38,400 | paid | ENVIRONMENTAL AND ANIMALS | 202140489349301804 |
| 2020 | Jane W Nuhn Charitable Trust | Open Space Institute New York, NY | B | $34,000 | approved, future | SUPPORT FOR CREATION OF MINNEWASKA VISITOR CENTER | 202123149349100807 |
| 2020 | Jane W Nuhn Charitable Trust | Open Space Institute New York, NY | B | $33,000 | paid | SUPPORT FOR CREATION OF MINNEWASKA VISITOR CENTER | 202123149349100807 |
| 2020 | Overhills Foundation C/O Dab Management Company LLC | Open Space Institute Inc New York, NY | B | $31,500 | paid | General Support;ListTotal 30000;ListTotal 0 | 202103039349100000 |
| 2020 | Louis and Anne Abrons Foundation Inc | Open Space Institute Inc New York, NY | B | $30,000 | paid | General & Unrestricted | 202113209349100906 |
| 2020 | Jewish Communal Fund | Open Space Institute Inc New York, NY | A | $26,000 | paid | General support | 202110399349300631 |
| 2020 | Ernst & Elfriede Frank Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL CHARITABLE | 202131939349100258 |
| 2020 | Helen & William Mazer Foundation | Open Space Institute New York, NY | B | $25,000 | paid | CHARITABLE PURPOSES. | 202110349349100206 |
| 2020 | The Sidney J Weinberg Jr Foundation | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL PURPOSE | 202143229349100004 |
| 2020 | The Stainman Family Foundation Inc | Open Space Institute New York, NY | B | $25,000 | paid | GENERAL | 202133199349109828 |
| 2020 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | approved, future | 10K GENERAL 15K WILLIAM MCHENRY | 202123589349100502 |
| 2020 | Prospect Hill Foundation Inc | Open Space Institute New York, NY | B | $15,000 | paid | TAHAWUS SITE PROJECT | 202110579349100101 |
| 2020 | American Conservation Association Inc | Open Space Institute New York, NY | B | $15,000 | paid | 10K GENERAL 5K WILLIAM MCHENRY | 202123589349100502 |
| 2020 | Burgstahler Foundation | Open Space Institute New York, NY | B | $12,500 | paid | CONSERVATION ORGANIZTION | 202132649349100718 |
| 2020 | In Our Backyards Inc | Open Space Institute New York, NY | A | $11,960 | paid | TO PROVIDE FUNDING FOR KELLY STREET GARDEN DURING COVID | 202123209349302277 |
| 2020 | The Van Der Stricht Foundation Xxx-Xx-Xxxx | Open Space Institute New York, NY | B | $10,489 | paid | ORGANIZATION'S GENERAL | 202101349349101595 |
| 2020 | Linden Trust for Conservation | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL OPERATING SUPPORT | 202133139349102583 |
| 2020 | Pathfinder Foundation Inc | Open Space Institute Inc New York, NY | B | $10,000 | paid | Conservation work in South Carolina | 202123199349105897 |
| 2020 | Tiaa Charitable Inc | Open Space Institute Inc New York, NY | A | $10,000 | paid | Annual Suuport | 202111479349300331 |
| 2020 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $10,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202141759349100404 |
| 2020 | Woodard & Curran Foundation | Open Space Institute New York, NY | A | $10,000 | paid | Support for the Sebago Clean Waters Fund | 202111339349301486 |
| 2020 | Geraldine R Dodge Foundation Inc | Open Space Institute Inc New York, NY | B | $10,000 | paid | TO SUPPORT LAND CONSERVATION PROJECTS THAT INCREASE PUBLIC ACCESS TO OPEN SPACE AND PROTECT WATERSHEDS IN NEW JERSEY | 202133169349103638 |
| 2020 | The Ceres Foundation Inc | Open Space Institute New York, NY | B | $10,000 | paid | CONS EQUIP SC | 202133129349100308 |
| 2020 | The Community Foundation Inc | Open Space Institute Inc New York, NY | A | $10,000 | paid | FOR SOUTH CAROLINA | 202123149349306917 |
| 2020 | National Philanthropic Trust | Open Space Institute New York, NY | A | $7,000 | paid | ENVIRONMENT, ANIMALS | 202121459349300307 |
| 2020 | The Jm Kaplan Fund Inc | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL OPERATING SUPPORT | 202123159349101407 |
| 2020 | Kaufman Family Foundation | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL SUPPORT | 202131279349101348 |
| 2020 | The James and Kelli Stanton Foundation Inc Fka the James Stanton Fdn | Open Space Institute New York, NY | B | $5,000 | paid | CHARITY | 202133159349101743 |
| 2020 | The Meier and Linnartz Family Foundation C/O John Linnartz | Open Space Institute New York, NY | B | $5,000 | paid | GENERAL SUPPORT | 202143129349101784 |
| 2020 | Elliott Badgley Foundation Inc | Open Space Institute Inc New York, NY | B | $2,500 | paid | General Purpose | 202132659349100318 |
| 2020 | Anna-Maria and Stephen Kellen Foundation Inc C/O Joel E Sammet & Co Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL TAX EXEMPT PURPOSES | 202100649349100610 |
| 2020 | Winslow Foundation | Open Space Institute Inc New York, NY | B | $2,500 | paid | General & Unrestricted | 202103169349101545 |
| 2020 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL | 202141349349100239 |
| 2020 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 202131819349100918 |
| 2020 | The Goodwin Foundation | Open Space Institute Inc (fiscal Sponsor) New York, NY | D | $1,039 | paid | BLACK URBAN GROWERS | 202111119349101106 |
| 2020 | David & Candace Weir Foundation | Open Space Institute Inc New York, NY | C | $1,000 | paid | GENERAL CHARITABLE PURPOSES | 202123199349106897 |
| 2020 | Richenthal Foundation C/O Condon Omeara Mcginty & Donnelly Llp | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL OPERATING PURPOSES | 202143009349100539 |
| 2020 | Lostand Foundation C/O Jonathan F P Rose | Open Space Institute New York, NY | B | $1,000 | paid | UNRESTRICTED GRANT FOR DONEE'S EXEMPT PURPOSE | 202112589349100431 |
| 2020 | Henry M Blackmer Foundation Inc | Open Space Institute New York, NY | B | $1,000 | paid | General | 202131369349100913 |
| 2020 | The D J Mcmanus Foundation Inc | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL SUPPORT | 202103199349107115 |
| 2020 | The Nancy Evans Hays Foundationinc C/O West & Company Cpas Pc | Open Space Institute New York, NY | B | $1,000 | paid | GRANT | 202133159349100823 |
| 2020 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $1,000 | paid | Land Conservation work in the Champlain Valley | 202102719349100510 |
| 2020 | The Corita Charitable Trust C/O Mcgrath Doyle & Phair | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL SUPPORT | 202211319349105351 |
| 2020 | Ibm International Foundation | Open Space Institute New York, NY | B | $702 | paid | EMPLOYEE MATCHING GRANT | 202133199349108338 |
| 2020 | Strong Foundation of New York | Open Space Institute New York, NY | B | $500 | paid | GENERAL SUPPORT | 202002259349100500 |
| 2020 | Findlay Family Foundation C/O Peter Findlay | Open Space Institute New York, NY | C | $350 | paid | SUPPORT GRANT | 202100779349100105 |
| 2020 | Shuree Abrams Foundation | Open Space Institute New York, NY | B | $100 | paid | CONSERVATION | 202101059349102005 |
| 2019 | Jewish Communal Fund | Open Space Institute Inc New York, NY | A | $250,500 | paid | General Support | 202000429349300605 |
| 2019 | Lytton-Kambara Foundation | Open Space Institute Inc New York, NY | B | $100,000 | paid | funding of conservation and preservation projects in and around the Shawangunks | 202032539349101003 |
| 2019 | Cloudsplitter Foundation | Open Space Institute New York, NY | B | $50,000 | paid | General Charitable | 202042309349100114 |
| 2019 | National Park Foundation | Open Space Institute Land Trust Inc New York, NY | A | $47,350 | paid | 202022109349301062 | |
| 2019 | Tortuga Foundation | Open Space Institute New York, NY | B | $40,000 | paid | GENERAL CHARITABLE PURPOSES | 202030429349100413 |
| 2019 | The Community Foundation Inc | Open Space Institute Inc New York, NY | A | $40,000 | paid | FOR SOUTH CAROLINA | 202023189349304622 |
| 2019 | The Community Foundation Inc | Open Space Institute Inc New York, NY | A | $40,000 | paid | FOR SOUTH CAROLINA | 202023189349304622 |
| 2019 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $34,350 | paid | For grant recipient's exempt purposes | 202041789349301474 |
| 2019 | Prospect Hill Foundation Inc | Open Space Institute New York, NY | B | $20,000 | paid | TAHAWUS: VILLAGE OF ADIRONDAC VISITOR ACCESS IMPROVEMENTS | 202030389349100703 |
| 2019 | Schwab Charitable Fund | Open Space Institute New York, NY | A | $18,550 | paid | ENVIRONMENTAL AND ANIMALS | 202010489349300101 |
| 2019 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $10,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 202020839349100157 |
| 2019 | The Ceres Foundation Inc | Open Space Institute New York, NY | B | $10,000 | paid | CONS EQUIP SC | 202001679349100705 |
| 2019 | Wright-Ingraham Institute | The Open Space Institute New York, NY | A | $5,000 | paid | GENERAL SUPPORT | 202030299349301363 |
| 2019 | The Topfield Foundation Inc | Open Space Institute New York, NY | B | $5,000 | paid | TO FURTHER DONEES EXEMPT PURPOSE | 202001579349101150 |
| 2019 | Anna-Maria and Stephen Kellen Foundation Inc C/O Joel E Sammet & Co Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL TAX EXEMPT PURPOSES | 202010709349100211 |
| 2019 | North Pond Foundation | Open Space Institute New York, NY | B | $2,000 | paid | EDUCATION | 202011959349100801 |
| 2019 | Syd & Jan M Silverman Foundation Inc | Open Space Institute Inc New York, NY | B | $1,000 | paid | UNRESTRICTED GENERAL | 201912569349100171 |
| 2019 | Strong Foundation of New York | Open Space Institute New York, NY | B | $500 | paid | GENERAL SUPPORT | 201912259349100806 |
| 2019 | Thomas F Staley Foundation C/O Diane S Bernard | Open Space Institute New York, NY | B | $500 | paid | GENERAL CONTRIBUTION | 202021959349101642 |
| 2019 | Shiush and Hannah Wang Family Foundation | Open Space Institute New York, NY | B | $250 | paid | GIFT TO INSTITUTE | 202040739349100604 |
| 2018 | The Topfield Foundation Inc | Open Space Institute New York, NY | B | $455,000 | paid | TO FURTHER DONEES EXEMPT PURPOSE | 201942059349100604 |
| 2018 | Delaware Highlands Conservancy | Open Space Institute New York, NY | A | $55,000 | paid | CONSERVATION EASEMEN | 201912209349301056 |
| 2018 | The Mark L Serventi Family Foundation | Open Space Institute New York, NY | B | $50,000 | paid | GENERAL FUNDS DONATION | 201901349349101530 |
| 2018 | Tortuga Foundation | Open Space Institute New York, NY | B | $37,000 | paid | GENERAL CHARITABLE PURPOSES | 201910259349100006 |
| 2018 | Shawangunk Valley Conservancy Inc | Open Space Institute New York, NY | B | $33,500 | paid | GENERAL | 201912559349100211 |
| 2018 | Appalachian Trail Conservancy | Open Space Institute Inc New York, NY | A | $16,980 | paid | LANDSCAPE PARTNERSHIP ACTION FUND | 201912529349300416 |
| 2018 | Lucretius Foundation Inc C/O Arthur V Fox Cpa | Open Space Institute New York, NY | B | $10,000 | paid | THE PURPOSE OF THESE CONTRIBUTIONS IS TO PROVIDE THE DONEE ORGANIZATIONS TO CARRY OUT THEIR EXEMPT FUNCTIONS. | 201940779349100504 |
| 2018 | R Hahn Foundation | Open Space Institute New York, NY | B | $10,000 | paid | GENERAL DONATION | 201912989349100116 |
| 2018 | Cloudsplitter Foundation | Open Space Institute New York, NY | B | $10,000 | paid | General Charitable | 201901789349100000 |
| 2018 | The New World Foundation | Open Space Institute Inc New York, NY | A | $10,000 | paid | SUPPORT OF THE SEEDSHED | 201922279349302497 |
| 2018 | Alex C Walker Educational & Charitable | Open Space Institute Inc New York, NY | B | $10,000 | paid | CITIZENS CLIMATE COST | 201911009349100026 |
| 2018 | Citizens Committee for New York City Inc | Open Space Institute Inc New York, NY | A | $9,702 | paid | 201942259349301289 | |
| 2018 | Fidelity Investments Charitable Gift Fund | Open Space Institute Inc New York, NY | A | $9,350 | paid | FOR GRANT RECIPIENT'S EXEMPT PURPOSES | 201931359349301478 |
| 2018 | Schwab Charitable Fund | Open Space Institute New York, NY | A | $7,150 | paid | ENVIRONMENTAL/ANIMALS | 201930459349302018 |
| 2018 | The Parsons Family Foundation | Open Space Institution New York, NY | C | $4,000 | paid | CHARITABLE | 201931309349102513 |
| 2018 | Anna-Maria and Stephen Kellen Foundation Inc C/O Joel E Sammet & Co Llp | Open Space Institute New York, NY | B | $2,500 | paid | GENERAL TAX EXEMPT PURPOSES | 201920609349100502 |
| 2018 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $2,500 | paid | The Essex Farm Institute | 201902809349100800 |
| 2018 | A & J Saks Foundation Inc | Open Space Institute New York, NY | B | $2,000 | paid | FURTHER THE EXEMPT PURPOSE OF THE RECIPIENT | 201921339349100227 |
| 2018 | Frank and Brinna Sands Foundation | Open Space Institute New York, NY | B | $1,500 | paid | A CONTRIBUTION TO THE COMMUNITY FOREST FUND | 201930509349100603 |
| 2018 | The Parsons Family Foundation | Open Space Institution New York, NY | C | $1,000 | paid | CHARITABLE | 201931309349102513 |
| 2018 | Boquet Foundation Inc | Open Space Institute Inc New York, NY | B | $1,000 | paid | Land Conservation work in the Champlain Valley Project | 201902809349100800 |
| 2018 | Sipprelle Charitable Corp C/O Tracy Sipprelle | Open Space Institute New York, NY | B | $1,000 | paid | CHARITABLE | 201941339349101019 |
| 2018 | The Parsons Family Foundation | Open Space Institution New York, NY | C | $1,000 | paid | CHARITABLE | 201931309349102513 |
| 2018 | North Pond Foundation | Open Space Institute New York, NY | B | $1,000 | paid | EDUCATION | 201941309349100514 |
| 2018 | Lostand Foundation C/O Jonathan F P Rose | Open Space Institute New York, NY | B | $1,000 | paid | UNRESTRICTED GRANT FOR DONEE'S EXEMPT PURPOSE | 201912599349100031 |
| 2018 | Reed Family Foundation Inc | Open Space Institute New York, NY | B | $1,000 | paid | GENERAL | 201911339349102906 |
| 2018 | Land Family Foundation | Open Space Institute New York, NY | B | $600 | paid | OTHER CHARITABLE ORGANIZATION | 201911359349100811 |
| 2018 | Gigi & Averell H Mortimer Foundation | Open Space Institute New York, NY | B | $600 | paid | General Support | 201941149349100209 |
| 2018 | The G&s Foundation | Open Space Institute New York, NY | B | $500 | paid | RESEARCH | 201910469349100411 |
| 2018 | Shiush and Hannah Wang Family Foundation | Open Space Institute New York, NY | B | $200 | paid | GIFT TO INSTITUTE | 201921359349101632 |
| 2018 | The Losam Fund | Open Space Institute New York, NY | B | $100 | paid | GENERAL PURPOSE | 201931779349100408 |
| 2018 | Shuree Abrams Foundation | Open Space Institute New York City, NY | B | $100 | paid | CONSERVATION ORGANIZATION | 201931089349100208 |
| 2018 | Black River Environmental Improvement Association Inc | Open Space Institute Land Trust Inc New York, NY | A | $0 + $149,350 non-cash | paid | RIVER TO RIDGE TRAIL NETWORK | 201920749349301267 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.