Grants paid by The Thorne Cox Family Foundation C/O Brown Advisory
EIN 46-4274950 · Boston, MA · Form 990-PF, Part XV · NTEE T99
The Thorne Cox Family Foundation C/O Brown Advisory of Boston, MA (EIN 46-4274950) reported 77 grants paid totaling $2,643,563 to 46 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$2,643,563
77 grants
Recipients
46
distinct organizations
Tax years
2020–2024
4 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 16 | $429,414 | — |
| 2022 | 21 | $915,000 | — |
| 2023 | 21 | $727,000 | — |
| 2024 | 19 | $572,149 | — |
Top recipients
The 46 recipients receiving the most from The Thorne Cox Family Foundation C/O Brown Advisory, by grants paid, out of 46 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Avenue Concept Inc 81-0877541 | B | Providence, RI | 4 | $475,000 | 2024 |
| Maine Public Broadcasting Corp 22-3171529 | B | Lewiston, ME | 3 | $270,000 | 2024 |
| Friends of Katahdin Woods and Water 81-5102906 | C | Portland, ME | 2 | $250,000 | 2023 |
| Bay Chamber Concerts Inc 01-6023519 | C | Rockport, ME | 2 | $207,500 | 2024 |
| Trustees of Dartmouth College | U | Hanover, NH | 3 | $200,000 | 2024 |
| Maine Coast Heritage Trust 23-7099105 | B | Topsham, ME | 2 | $200,000 | 2023 |
| Rockport Library Foundation 83-0864371 | B | Rockport, ME | 3 | $151,239 | 2024 |
| Milton Academy 04-2103603 | B | Milton, MA | 4 | $100,000 | 2024 |
| Refugepoint 20-2061482 | B | Boston, MA | 1 | $100,000 | 2022 |
| United States Ski Team Foundation | U | Park City, UT | 2 | $90,000 | 2023 |
| United States Ski and Snowboard Association | U | Boston, MA | 2 | $90,000 | 2024 |
| Council for Economic Education 13-1623848 | B | New York, NY | 2 | $60,000 | 2022 |
| Middlesex School 04-2103821 | B | Concord, MA | 1 | $50,000 | 2024 |
| Coastal Maine Land Trust | U | Camden, ME | 1 | $50,000 | 2020 |
| Issue One 32-0384285 | B | Washington, DC | 3 | $40,000 | 2023 |
| National Debutante Cotillion Foundation Inc 83-3582515 | C | Washington, DC | 1 | $31,200 | 2024 |
| Boston Impact Initiative 82-1543658 | C | Jamaica Plain, MA | 1 | $25,000 | 2024 |
| Knox County Homeless Coalition | U | Rockland, ME | 3 | $20,000 | 2024 |
| American Repertory Theatre Co Inc 04-2665867 | C | Cambridge, MA | 2 | $20,000 | 2023 |
| New Venture Fund 20-5806345 | B | Washington, DC | 1 | $20,000 | 2020 |
| Land Conservancy of North Kingstown 05-0437038 | B | North Kingstown, RI | 1 | $20,000 | 2022 |
| US Ski Team Foundation | U | Park City, UT | 1 | $20,000 | 2020 |
| The William a Farnsworth Library and Art Museum Inc 01-0368070 | B | Rockland, ME | 3 | $16,624 | 2024 |
| Lifeflight Foundation 52-2377085 | C | Camden, ME | 4 | $16,000 | 2024 |
| Presidents and Fellows of Harvard | U | Cambridge, MA | 1 | $10,000 | 2024 |
| Amos House 05-0387218 | B | Providence, RI | 1 | $10,000 | 2022 |
| The Land Conservancy of North Washington | U | Arlington, VA | 1 | $10,000 | 2020 |
| YMCA of the USA | U | Chicago, IL | 2 | $10,000 | 2024 |
| Bascom Palmer Eye Institute 23-7404880 | D | Miami, FL | 1 | $10,000 | 2022 |
| Farnsworth Art Museum | U | Rockland, ME | 1 | $10,000 | 2020 |
| What Cheer Art Company 05-0480604 | B | Providence, RI | 1 | $10,000 | 2020 |
| Coastal Mountains Land Trust 22-2795691 | B | Camden, ME | 2 | $10,000 | 2023 |
| Yale School of Architecture | U | New Haven, CT | 1 | $5,000 | 2023 |
| Imagine North Carolina First 46-4006055 | B | Raleigh, NC | 1 | $5,000 | 2024 |
| The Trustees of Reservations 04-2105780 | B | Boston, MA | 1 | $5,000 | 2020 |
| Wickford Sailing Association Inc 22-2655514 | B | North Kingstown, RI | 1 | $5,000 | 2022 |
| Freshgrass Public Foundation 81-3680121 | C | San Francisco, CA | 1 | $5,000 | 2023 |
| Haus of Codec 87-1199109 | C | Providence, RI | 1 | $2,500 | 2022 |
| Community Foundation Boulder County | U | Boulder, CO | 1 | $2,500 | 2020 |
| Pvd World Music Institute Inc 87-2384491 | B | Providence, RI | 1 | $2,500 | 2022 |
| Living Observatory Inc 81-0826003 | B | Plymouth, MA | 2 | $2,000 | 2024 |
| Bay Shore Center | U | Port Norris, NJ | 1 | $1,500 | 2023 |
| Conanicut Island Sailing Foundation 05-0513580 | B | Jamestown, RI | 1 | $1,500 | 2023 |
| Providence Public Library 05-0262713 | B | Providence, RI | 1 | $1,500 | 2023 |
| Aspen Public Radio 46-2248171 | D | Aspen, CO | 1 | $1,000 | 2024 |
| Rocky Mountain Public Media Inc 84-0510785 | B | Denver, CO | 1 | $1,000 | 2024 |
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.
Every grant
All 77 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2024 | Avenue Concept Inc Providence, RI | B | $195,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Bay Chamber Concerts Inc Rockport, ME | C | $100,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Trustees of Dartmouth College Hanover, NH | U | $50,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Middlesex School Concord, MA | B | $50,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | United States Ski and Snowboard Association Boston, MA | U | $45,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | National Debutante Cotillion Foundation Inc Washington, DC | C | $31,200 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Boston Impact Initiative Jamaica Plain, MA | C | $25,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Milton Academy Milton, MA | B | $25,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Presidents and Fellows of Harvard Cambridge, MA | U | $10,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Maine Public Broadcasting Corp Lewiston, ME | B | $10,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | The William a Farnsworth Library and Art Museum Inc Rockland, ME | B | $6,624 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | YMCA of the USA Chicago, IL | U | $5,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Lifeflight Foundation Camden, ME | C | $5,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Imagine North Carolina First Raleigh, NC | B | $5,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Knox County Homeless Coalition Rockland, ME | U | $5,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Rockport Library Foundation Rockport, ME | B | $1,325 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Aspen Public Radio Aspen, CO | D | $1,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Living Observatory Inc Plymouth, MA | B | $1,000 | paid | Operations budget assistance | 202533149349101428 |
| 2024 | Rocky Mountain Public Media Inc Denver, CO | B | $1,000 | paid | Operations budget assistance | 202533149349101428 |
| 2023 | Friends of Katahdin Woods and Water Portland, ME | C | $125,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Bay Chamber Concerts Inc Rockport, ME | C | $107,500 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Avenue Concept Inc Providence, RI | B | $100,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Trustees of Dartmouth College Hanover, NH | U | $100,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Maine Coast Heritage Trust Topsham, ME | B | $100,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | United States Ski and Snowboard Association Boston, MA | U | $45,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | United States Ski Team Foundation Park City, UT | U | $45,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Milton Academy Milton, MA | B | $25,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Rockport Library Foundation Rockport, ME | B | $20,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | American Repertory Theatre Co Inc Cambridge, MA | C | $10,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Issue One Washington, DC | B | $10,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Coastal Mountains Land Trust Camden, ME | B | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | YMCA of the USA Chicago, IL | U | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Lifeflight Foundation Camden, ME | C | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | The William a Farnsworth Library and Art Museum Inc Rockland, ME | B | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Yale School of Architecture New Haven, CT | U | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Freshgrass Public Foundation San Francisco, CA | C | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Knox County Homeless Coalition Rockland, ME | U | $5,000 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Providence Public Library Providence, RI | B | $1,500 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Conanicut Island Sailing Foundation Jamestown, RI | B | $1,500 | paid | Operations budget assistance | 202413179349101841 |
| 2023 | Bay Shore Center Port Norris, NJ | U | $1,500 | paid | Operations budget assistance | 202413179349101841 |
| 2022 | Maine Public Broadcasting Corporation Lewiston, ME | B | $250,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Friends of Katahdin Woods and Water Portland, ME | C | $125,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Refugepoint Boston, MA | B | $100,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Maine Coast Heritage Trust Topsham, ME | B | $100,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | The Avenue Concept Inc Providence, RI | B | $100,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Trustees of Dartmouth College Hanover, NH | U | $50,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | United States Ski Team Foundation Park City, UT | U | $45,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Milton Academy Milton, MA | B | $25,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Council for Economic Education New York, NY | B | $20,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Land Conservancy of North Kingstown North Kingstown, RI | B | $20,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Issue One Washington, DC | B | $15,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Knox County Homeless Coalition Rockland, ME | U | $10,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | American Repertory Theatre Co Inc Cambridge, MA | C | $10,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Bascom Palmer Eye Institute Miami, FL | D | $10,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Amos House Providence, RI | B | $10,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Wickford Sailing Association Inc North Kingstown, RI | B | $5,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Coastal Mountains Land Trust Camden, ME | B | $5,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Lifeflight Foundation Camden, ME | C | $5,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | The William a Farnsworth Library and Art Museum Inc Rockland, ME | B | $5,000 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Pvd World Music Institute Inc Providence, RI | B | $2,500 | paid | Operations budget assistance | 202313079349100901 |
| 2022 | Haus of Codec Providence, RI | C | $2,500 | paid | Operations budget assistance | 202313079349100901 |
| 2020 | Rockport Library Foundation Rockport, ME | B | $129,914 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Avenue Concept Inc Providence, RI | B | $80,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Coastal Maine Land Trust Camden, ME | U | $50,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Council for Economic Education New York, NY | B | $40,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Milton Academy Milton, MA | B | $25,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | US Ski Team Foundation Park City, UT | U | $20,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | New Venture Fund Washington, DC | B | $20,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Issue One Washington, DC | B | $15,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Maine Public Broadcasting Corp Bangor, ME | C | $10,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | The Land Conservancy of North Washington Arlington, VA | U | $10,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | What Cheer Art Company Providence, RI | B | $10,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Farnsworth Art Museum Rockland, ME | U | $10,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | The Trustees of Reservations Boston, MA | B | $5,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Community Foundation Boulder County Boulder, CO | U | $2,500 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Living Observatory Inc Plymouth, MA | B | $1,000 | paid | Operations budget assistance | 202113159349102901 |
| 2020 | Lifeflight Foundation Camden, ME | C | $1,000 | paid | Operations budget assistance | 202113159349102901 |
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 the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202533149349101428 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202413179349101841 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202313079349100901 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.1 | 202113159349102901 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/464274950.json.
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.