Grey Rocks Foundation Inc
Invitation OnlyBoston, Massachusetts · EIN 04-2944189 · Private foundation
Grants paid (2024)$2.9M
Organizations funded97
Typical grant$10,000
Total assets$86.5M
Half of its grants to organizations were between $2,500 and $20,000.
From the return
How to apply
On its return for tax year 2024 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
68% of grants went outside Massachusetts.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Holderness School | Holderness, NH | Unrestricted donation | $510,000 |
| United States Rowing Association | Princeton Junction, NJ | Unrestricted donation | $251,529 |
| Dartmouth College | Hanover, NH | Unrestricted donation | $201,675 |
| White Mountain School | Bethlehem, NH | Unrestricted donation | $175,000 |
| Phillips Exeter Academy | Exeter, NH | Unrestricted donation | $172,500 |
| YMCA Camp Belknap | Mirror Lake, NH | Unrestricted donation | $130,000 |
| Clan Maclean Association | Raleigh, NC | Unrestricted donation | $127,298 |
| US Ski and Snowboard Foundation | Park City, UT | Unrestricted donation | $120,600 |
| Jackson Nh Historical Society | Jackson, NH | Unrestricted donation | $110,000 |
| Stonington Community Rowing Center | Stonington, CT | Unrestricted donation | $100,000 |
| Newfound Lake Region Association | Bristol, NH | Unrestricted donation | $62,932 |
| St Paul's School | Concord, NH | Unrestricted donation | $60,000 |
| Tuck School at Dartmouth | Hanover, NH | Unrestricted donation | $55,000 |
| Charles River Watershed Assn | Weston, MA | Unrestricted donation | $50,000 |
| Newton Wellesley Hospital | Newton, MA | Unrestricted donation | $47,500 |
| Mill Reef Fund | Detroit, MI | Unrestricted donation | $30,000 |
| Museum of Fine Arts Boston | Boston, MA | Unrestricted donation | $30,000 |
| Animal Rescue League of Boston | Boston, MA | Unrestricted donation | $25,000 |
| Harvard University | Cambridge, MA | Unrestricted donation | $25,000 |
| Kensington Social Library | Kensington, NH | Unrestricted donation | $25,000 |
| Sequana Inc | Pasadena, CA | Unrestricted donation | $25,000 |
| Circle Program | Plymouth, NH | Unrestricted donation | $22,000 |
| Turtle Ridge Foundation | Franconia, NH | Unrestricted donation | $21,000 |
| Child Voice | Newmarket, NH | Unrestricted donation | $20,000 |
| Montana Land Reliance | Helena, MT | Unrestricted donation | $20,000 |
| Mspca | Jamaica Plain, MA | Unrestricted donation | $20,000 |
| Nh Humane Society | Laconia, NH | Unrestricted donation | $20,000 |
| Ucsf Foundation | San Francisco, CA | Unrestricted donation | $20,000 |
| Museum of the White Mountains | Plymouth, NH | Unrestricted donation | $15,225 |
| Blue Ocean Society for Marine Conservation | Portsmouth, NH | Unrestricted donation | $15,000 |
| Child Advocacy Center of Rockingham County | Portsmouth, NH | Unrestricted donation | $15,000 |
| Dartmouth Hitchcock Clinic | Lebanon, NH | Unrestricted donation | $15,000 |
| Donors Choose | Philadelphia, PA | Unrestricted donation | $15,000 |
| Nh Womens Foundation | Concord, NH | Unrestricted donation | $15,000 |
| Rewild | Austin, TX | Unrestricted donation | $15,000 |
| Southeast Land Trust of New Hampshire | Epping, NH | Unrestricted donation | $15,000 |
| Wheaton College | Norton, MA | Unrestricted donation | $15,000 |
| Nh Scot | Concord, NH | Unrestricted donation | $14,000 |
| Share Winter | Providence, RI | Unrestricted donation | $13,000 |
| Boston Children's Hospital Trust | Boston, MA | Unrestricted donation | $12,500 |
| Mayhew Program | Bristol, NH | Unrestricted donation | $12,000 |
| Surfrider Foundation | San Clemente, CA | Unrestricted donation | $12,000 |
| Nh Charitable Foundation | Concord, NH | Unrestricted donation | $10,050 |
| Camp Lochearn | Post Mills, VT | Unrestricted donation | $10,000 |
| Camp Tecumseh | Moultonborough, NH | Unrestricted donation | $10,000 |
| MIT Glass Lab | Cambridge, MA | Unrestricted donation | $10,000 |
| Nh Historical Society | Concord, MA | Unrestricted donation | $10,000 |
| Nh Public Radio | Manchester, NH | Unrestricted donation | $10,000 |
| Pilchuck Glass School | Seattle, WA | Unrestricted donation | $10,000 |
| Plymouth State University | Plymouth, NH | Unrestricted donation | $10,000 |
| Stanford Medicine | Stanford, CA | Unrestricted donation | $10,000 |
| UC Berkeley Foundation | Berkeley, CA | Unrestricted donation | $10,000 |
| Fenn School | Concord, MA | Unrestricted donation | $7,500 |
| Doctors Outreach Inc | San Francisco, CA | Unrestricted donation | $7,000 |
| Lake Region Conservation Trust | Center Harbor, NH | Unrestricted donation | $7,000 |
| Teach for America | Boston, MA | Unrestricted donation | $6,500 |
| Inner City Scholarship Fund | Boston, MA | Unrestricted donation | $6,000 |
| Slim Baker Foundation | Bristol, NH | Unrestricted donation | $6,000 |
| Steppingstone Foundation | Boston, MA | Unrestricted donation | $6,000 |
| Arts Industry Alliance Team | Exeter, NH | Unrestricted donation | $5,000 |
Showing the 60 largest of 97 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $2,918,776 | 97 |
| 2023 | $1,676,967 | 92 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202533219349107013
- IRS Tax Exempt Organization Search for EIN 04-2944189
- Profile updated Nov 4, 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.