funder-graph › Recipients
Who funds Organization for Tropical Studies Inc
EIN 56-2125831 · Durham, NC · NTEE Q055
Organization for Tropical Studies Inc of Durham, NC (EIN 56-2125831) was named as a grant recipient by 22 funders in 54 grants paid totaling $1,255,506 in tax years 2018–2025, 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
$1,255,506
54 grants paid
Funders
22
distinct grantmakers
Tax years
2018–2025
as reported by funders
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 54 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $30,800 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Lincoln Park Zoological Society | Organization for Tropical Studies Inc Durham, NC | A | $30,775 | paid | CONSERVATION | 202620309349301702 |
| 2025 | Vanguard Charitable Endowment Program | Organization for Tropical Studies Inc Durham, NC | A | $8,289 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | Louden Family Foundation | Organization for Tropical Studies Durham, NC | B | $6,000 | paid | NO RESTRICTIONS | 202600139349100805 |
| 2024 | American Endowment Foundation | Organization for Tropical Studies Inc Durham, NC | A | $259,622 | paid | EDUCATIONAL | 202513219349310376 |
| 2024 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $16,200 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Ruggles Family Foundation C/O Bessemer Trust | Organization for Tropical Studies Durham, NC | B | $10,000 | paid | GENERAL PURPOSE | 202510379349100001 |
| 2024 | Paugus Charitable Trust C/O Ruth Moscovitch | Organization for Tropical Studies Durham, NC | B | $10,000 | paid | PROVIDE FINANCIAL SUPPORT | 202511349349101366 |
| 2024 | Donor Advised Charitable Giving Inc | Organization for Tropical Studies Inc Durham, NC | A | $5,150 | paid | INTERNATIONAL, FOREIGN AFFAIRS | 202541069349300729 |
| 2024 | Louden Family Foundation | Organization for Tropical Studies Durham, NC | B | $3,000 | paid | NO RESTRICTIONS | 202413379349100806 |
| 2023 | The G Unger Vetlesen Foundation C/O Fulton Vittoria Llp | Organization for Tropical Studies Durham, NC | B | $100,000 | paid | GENERAL PURPOSES | 202402899349101405 |
| 2023 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $64,272 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | Towards Sustainability Foundation C/O Charles P Nelson Jr Eastern Bank | Organization for Tropical Studies Durham, NC | B | $15,000 | paid | Tropical Restoration Initiative | 202410409349101206 |
| 2023 | Paypal Charitable Giving Fund | Organization for Tropical Studies Durham, NC | A | $5,892 | paid | 202422999349301487 | |
| 2023 | The Charles and Roberta Katz Family Foundation | Organization for Tropical Studies Durham, NC | B | $5,000 | paid | GENERAL FUNDING | 202441279349102939 |
| 2023 | Harold & Joan Feinbloom Family Foundation | Organization for Tropical Studies Durham, NC | B | $1,000 | paid | SUSTAIN TROPICAL ECOSYSTEMS | 202430369349100223 |
| 2023 | Amazonsmile Foundation | Organization for Tropical Studies Inc Durham, NC | B | $190 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2023 | Paugus Charitable Trust C/O Ruth Moscovitch | Organization for Tropical Studies Durham, NC | B | $100 | paid | PROVIDE FINANCIAL SUPPORT | 202441369349102464 |
| 2022 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $74,000 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | Fidelity Investments Charitable Gift Fund | Sayre School Lexington, KY | A | $74,000 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | The G Unger Vetlesen Foundation C/O Fulton Vittoria Llp | Organization for Tropical Studies Durham, NC | B | $50,000 | paid | GENERAL PURPOSES | 202333049349100428 |
| 2022 | Towards Sustainability Foundation C/O David Olaksen Eastern Bank | Organization for Tropical Studies Durham, NC | B | $15,000 | paid | Vivero de la Cultura Program | 202340449349100204 |
| 2022 | American Endowment Foundation | Organization for Tropical Studies Inc Durham, NC | A | $12,000 | paid | EDUCATIONAL | 202332499349300338 |
| 2022 | Vanguard Charitable Endowment Program | Organization for Tropical Studies Inc Durham, NC | A | $11,500 | paid | For recipient's exempt purpose | 202331359349303108 |
| 2022 | The Maxwellhanrahan Foundation | Organization for Tropical Studies Inc Durham, NC | B | $10,000 | paid | To support the professional development of undergraduate or graduate students in the field of scientific illustration and provide real world experience that advances the mission of the Organization for Tropical Studies (OTS) | 202343199349108479 |
| 2022 | Paypal Charitable Giving Fund | Organization for Tropical Studies Durham, NC | A | $9,517 | paid | GENERAL SUPPORT | 202312929349301606 |
| 2022 | Schwab Charitable Fund | Organization for Tropical Studies Inc Durham, NC | A | $5,350 | paid | INTERNATIONAL, FOREIGN AFFAIRS | 202330939349300403 |
| 2022 | Harold & Joan Feinbloom Family Foundation | Organization for Tropical Studies Durham, NC | B | $1,300 | paid | SUSTAIN TROPICAL ECOSYSTEMS | 202300319349100750 |
| 2022 | Maple Grove Foundation | Organization for Tropical Studies Durham, NC | B | $500 | paid | PROGRAM SERVICES | 202321309349100647 |
| 2022 | Msa Family Fund C/O Jocelyn a Sladen | Organization for Tropical Studies Durham, NC | B | $500 | paid | THE PURPOSE FOR WHICH THEY EXIST | 202331249349101443 |
| 2022 | Amazonsmile Foundation | Organization for Tropical Studies Inc Durham, NC | B | $240 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2022 | Paugus Charitable Trust C/O Ruth Moscovitch | Organization for Tropical Studies Durham, NC | B | $100 | paid | PROVIDE FINANCIAL SUPPORT | 202341329349102419 |
| 2021 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $133,179 | paid | For grant recipient's exempt purposes | 202221339349302787 |
| 2021 | Ruggles Family Foundation C/O Bessemer Trust | Organization for Tropical Studies Durham, NC | B | $50,000 | paid | GENERAL PURPOSE | 202123349349100117 |
| 2021 | Paypal Charitable Giving Fund | Organization for Tropical Studies Durham, NC | A | $10,933 | paid | General Support | 202232669349300528 |
| 2021 | Towards Sustainability Foundation C/O David Olaksen Eastern Bank | Organization for Tropical Studies Durham, NC | B | $10,000 | paid | Viva de la Cultura Program | 202220429349100512 |
| 2021 | Vanguard Charitable Endowment Program | Organization for Tropical Studies Inc Durham, NC | A | $5,500 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202211339349310116 |
| 2021 | Harold & Joan Feinbloom Family Foundation | Organization for Tropical Studies Durham, NC | B | $2,500 | paid | SUSTAIN TROPICAL ECOSYSTEMS | 202210319349100201 |
| 2021 | Paugus Charitable Trust C/O Ruth Moscovitch | Organization for Tropical Studies Durham, NC | B | $100 | paid | PROVIDE FINANCIAL SUPPORT | 202201239349100825 |
| 2020 | The G Unger Vetlesen Foundation C/O Fulton Vittoria Llp | Organization for Tropical Studies Durham, NC | B | $50,000 | paid | GENERAL PURPOSES | 202121939349100117 |
| 2020 | American Endowment Foundation | Organization for Tropical Studies Inc Durham, NC | A | $49,000 | paid | PROGRAMS | 202133159349308163 |
| 2020 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $31,900 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | The North Star Charitable Foundation | Organization for Tropical Studies Durham, NC | B | $20,000 | paid | GENERAL PURPOSE | 202133139349102183 |
| 2020 | Harold & Joan Feinbloom Family Foundation | Organization for Tropical Studies Durham, NC | B | $3,500 | paid | SUSTAIN TROPICAL ECOSYSTEMS | 202110119349100201 |
| 2020 | Smith Richardson Foundation Inc | Organization for Tropical Studies Inc Durham, NC | B | $2,000 | paid | GENERAL OPERATING SUPPORT | 202133169349101838 |
| 2020 | Smith Richardson Foundation Inc | Organization for Tropical Studies Inc Durham, NC | B | $2,000 | paid | GENERAL OPERATING SUPPORT | 202133169349101838 |
| 2020 | Ibm International Foundation | Organization for Tropical Studies Durham, NC | C | $500 | paid | EMPLOYEE MATCHING GRANT | 202133199349108338 |
| 2020 | Paugus Charitable Trust C/O Ruth Moscovitch | Organization for Tropical Studies Durham, NC | B | $500 | paid | PROVIDE FINANCIAL SUPPORT | 202141939349100159 |
| 2020 | Amazonsmile Foundation | Organization for Tropical Studies Inc Durham, NC | B | $223 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2019 | Fidelity Investments Charitable Gift Fund | Organization for Tropical Studies Inc Durham, NC | A | $24,250 | paid | For grant recipient's exempt purposes | 202041789349301474 |
| 2019 | March Conservation Fund | Organization for Tropical Studies Durham, NC | C | $5,000 | paid | GENERAL SUPPORT | 202021959349101812 |
| 2018 | Conservation International Foundation | Organization for Tropical Studies Inc Durham, NC | A | $13,323 | paid | SUPPORT TO OTS FOR TEAM MONITORING AT THE VOLCAN BARVA TEAM SITE _ 10.1.2016 - 9.30.17 | 201930599349300623 |
| 2018 | Schwab Charitable Fund | Organization for Tropical Studies Inc Durham, NC | A | $5,501 | paid | ENVIRONMENTAL/ANIMALS | 201930459349302018 |
| 2018 | Paugus Charitable Trust C/O Ruth Moscovitch | Organization for Tropical Studies Durham, NC | C | $300 | paid | PROVIDE FINANCIAL SUPPORT | 201921309349102567 |
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.