Brothers Brook Foundation
Invitation OnlyDenver, Colorado · EIN 46-1509070 · Private foundation · Website
Grants paid (2025)$3.7M
Organizations funded54
Typical grant$50,000
Total assets$104.2M
Half of its grants to organizations were between $25,000 and $100,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
100% of grants went outside Colorado.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Fidelity Investments Charitable Gift Fund | Boston, MA | Quality of life in local & other communities | $275,000 |
| Nature Conservancy Inc | New Haven, CT | Create or preserve open space | $200,000 |
| Brookings Institution | Washington, DC | Non-Partisan public policy research | $195,000 |
| Family Centers Inc | Greenwich, CT | Fight poverty / education | $195,000 |
| Part of the Solution Inc | Bronx, NY | Fight poverty / education | $160,000 |
| St Lawrence University | Canton, NY | Non-Partisan public policy research | $152,000 |
| Waterside School Inc | Stamford, CT | Fight poverty / education | $150,000 |
| Women in Need Inc | New York, NY | Fight poverty / education | $150,000 |
| Domus Kids Inc | Stamford, CT | Fight poverty / education | $125,000 |
| Boys & Girls Club of Stamford Inc | Stamford, CT | Fight poverty / education | $100,000 |
| Family & Children's Agency Inc | Norwalk, CT | Fight poverty / education | $100,000 |
| Guardian Revival Inc | Beacon, NY | Cure or treatment for chronic disease | $100,000 |
| Icahn School of Medicine at Mount Sinai | New York, NY | Fight poverty / education | $100,000 |
| Memorial Sloan Kettering Cancer Center | New York, NY | Cure or treatment for chronic disease | $100,000 |
| Phipps Neighborhoods | New York, NY | Fight poverty / education | $100,000 |
| Reboot Rx Inc | Winchester, MA | Cure or treatment for chronic disease | $100,000 |
| Literacy Academy Collective Inc | New York City, NY | Fight poverty / education | $75,000 |
| Upchieve | Brooklyn, NY | Fight poverty / education | $75,000 |
| Trout Unlimited National Office | Arlington, VA | Protection of the environment | $65,000 |
| Abilis | Greenwich, CT | Quality of life in local communities | $60,000 |
| All Our Kin | New Haven, CT | Fight poverty / education | $60,000 |
| Horizons Norwalk Community College Inc | Norwalk, CT | Fight poverty / education | $60,000 |
| New England College | Henniker, NH | Fight poverty / education | $60,000 |
| Project Als Inc | New York, NY | Cure or treatment for chronic disease | $60,000 |
| The Rowan Center | Stamford, CT | Quality of life in local communities | $55,000 |
| Als Therapy Development Institute | Watertown, MA | Cure or treatment for chronic disease | $50,000 |
| Brunswick School Inc | Greenwich, CT | Fight poverty / education | $50,000 |
| Carver Foundation of Norwalk Inc | Norwalk, CT | Fight poverty / education | $50,000 |
| River House Adult Day Center | Cos Cob, CT | Quality of life in local communities | $50,000 |
| The Freshwater Trust | Portland, OR | Protection of the environment | $50,000 |
| The Hope Program | Brooklyn, NY | Fight poverty / education | $50,000 |
| Trio New College Network Inc | Boston, MA | Fight poverty/education | $50,000 |
| Wild Salmon Center | Portland, OR | Create or preserve open space | $50,000 |
| The Conservation Fund | Arlington, VA | Create or preserve open space | $45,000 |
| Mianus Chapter Trout Unlimited | Wilton, CT | Create or preserve open space | $44,000 |
| Future 5 Inc | Stamford, CT | Fight poverty / education | $40,000 |
| Mianus River Gorge Inc | Bedford, NY | Create or preserve open space | $31,000 |
| Cornell University | NYC, NY | Fight poverty / education | $30,000 |
| Neighbor to Neighbor | Greenwich, CT | Fight poverty/education | $30,000 |
| Friends of the Norwalk River Valley Trail Inc | Georgetown, CT | Create or preserve open space | $25,000 |
| Greenwich Land Trust | Greenwich, CT | Create or preserve open space | $25,000 |
| Greenwich United Way | Greenwich, CT | Fight poverty / education | $25,000 |
| Pacific House Inc | Stamford, CT | Fight poverty / education | $25,000 |
| Greenwich Department of Human Services Fund Inc | Greenwich, CT | Quality of life in local communities | $20,000 |
| American Academy of Dermatology Association Inc | Rosemont, IL | Quality of life in local communities | $10,000 |
| Greenwich Emergency Medical Service Incorporated | Riverside, CT | Quality of life in local communities | $10,000 |
| Mount Vernon Neighborhood Health Center Inc | Mt Vernon, NY | Fight poverty/education | $10,000 |
| Rare | Arlington, VA | Fight poverty / education | $10,000 |
| Robin Hood Foundation | New York, NY | Fight poverty / education | $10,000 |
| Spina Bifida Association of Western Pennsylvania | Pittsburgh, PA | Cure or treatment for chronic disease | $10,000 |
| Food Bank of Lower Fairfield County Inc | Stamford, CT | Fight poverty / education | $7,000 |
| Girls With Impact Inc | Greenwich, CT | Fight poverty / education | $5,000 |
| Project Big Wood a Nonprofit Corporation | Ketchum, ID | Protection of the environment | $5,000 |
| New Canaan Group Home Inc | New Canaan, CT | Quality of life in local communities | $2,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $3,691,000 | 54 |
| 2024 | $3,492,700 | 55 |
| 2023 | $3,566,610 | 53 |
| 2021 | $2,636,400 | 1 |
Sources
- IRS Form 990-PF, tax year 2025, filed Jun 8, 2026 - IRS e-file batch, object ID 202631599349100703
- IRS Tax Exempt Organization Search for EIN 46-1509070
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.