Grey Rocks Foundation Inc
Grey Rocks Foundation Inc is a private foundation based in Boston, Massachusetts. It made 97 grants totaling $2,918,776 in 2024, supporting organizations including schools, rowing organizations, a conservation association, and community-service organizations.
Grey Rocks Foundation Inc at a glance
In short: Grey Rocks Foundation Inc gave $2.9M across 97 grants in 2024 (avg $30K), mostly in New Hampshire. 11% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $2,918,776
- +67.4% vs 2023
- Grants made (2024)
- 97
- +6.6% vs 2023
- Average grant
- $30,090
- +57.0% vs 2023
- Median grant
- $10,000
- Total assets
- $65,574,100
- +11.8% vs 2023
- New grantees (estimate)
- 11% first-time grantees (11 of 97, 2024)
- Primary geography
- New Hampshire (61% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Grey Rocks Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: Co Pa Mclane 200 Clarendon St Fl5, Boston, MA 02116
Phone: (617) 574-6700
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Grey Rocks Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Holderness School ($510K). Together the top 10 received $1.9M.
Grant Size Distribution
437 grants across all recorded years
The most common grant size was under $50K: 385 grants of 437 (88%).
Geographic Focus
Where this funder awards grants
In 2024, New Hampshire recipients received 61% of grant dollars, followed by Massachusetts at 11%, New Jersey at 9%, North Carolina at 4%, and Utah at 4%.
Grant Distribution by State
Share of 2024 grant dollars across all 97 itemized grants.
States
Cities
Is Grey Rocks Foundation Inc open to new grantees?
11%
first-time grantees, 2024
In 2024, 11 of 97 grantees (11%) were first-time recipients. First grants averaged $20K; repeat grants $31K. How we count
Medians: $12K first-time, $10K repeat.
- 81% of 2024 grantees were also funded in 2023. Method
- Giving grew 45% from 2021 to 2024. Method
- In 2024 it paid out 76% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $1.5M (2022) to $2.9M (2024). In 2024 it made 97 grants totaling $2.9M.
Grants by year
Grant recipients and amounts by year
| Recipient | 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 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $65,574,100 | $10,780,464 | $3,908,837 | $2,918,776 | 97 | $2,918,776 | $10,409,436 | $3,816,200 |
| 2023 | $58,664,273 | $12,937,187 | $2,321,305 | $1,743,868 | 91 | $1,676,967 | $13,918,767 | $3,203,593 |
| 2022 | $48,013,091 | $2,094,653 | $2,106,696 | $1,467,959 | 85 | $1,467,959 | $1,709,406 | $3,064,285 |
| 2021 | $47,923,857 | $11,245,846 | $2,299,583 | $2,007,643 | 66 | — | $10,680,329 | $3,420,398 |
| 2020 | $39,314,786 | $2,894,410 | $3,184,124 | $2,770,450 | 98 | — | $1,131,173 | $2,431,384 |
Under IRS private-foundation payout rules, Grey Rocks Foundation Inc reported a distributable amount of $3.8M for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2024 grants included support for educational institutions, rowing and outdoor programs, conservation, animal welfare, and mentoring. These examples describe the grantees’ work, not a stated mission of the foundation.
Holderness School describes its mission as fostering the resources of mind, body, and spirit in a caring community and inspiring work for the betterment of humankind and the natural world. Newfound Lake Region Association says it protects and improves the health of the Newfound Lake watershed through conservation programs and community engagement. Circle Program describes its work as educating and counseling underprivileged girls through summer camp and year-round mentoring.
Grantmaking
In 2024, the foundation made 97 grants totaling $2,918,776. Grants ranged from $50 to $510,000, with a median grant of $10,000. The largest awards included $510,000 to Holderness School, $251,529 to United States Rowing Association, $201,675 to Dartmouth College, $175,000 to White Mountain School, and $172,500 to Phillips Exeter Academy. The listed grant purposes were unrestricted donations.
Other 2024 grants included $130,000 to YMCA Camp Belknap, $100,000 to Stonington Community Rowing Center, $62,932 to Newfound Lake Region Association, $60,000 to St. Paul’s School, $25,000 to Animal Rescue League of Boston, and $22,000 to Circle Program.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists P Andrews McLane as president, Linda McLane as treasurer, and David H Hopfenberg as clerk.
Grey Rocks Foundation Inc is led by P. Andrews McLane, President on every filing since 2020; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
P. Andrews McLane
President
On filings since 2020
No compensation reported
David H. Hopfenberg
Clerk
On filings since 2020
No compensation reported
Linda McLane
Treasurer
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Grey Rocks Foundation Inc
How much does Grey Rocks Foundation Inc give each year?
Grey Rocks Foundation Inc gave $2.9M across 97 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.7M across 91 grants.
What is Grey Rocks Foundation Inc's typical grant size?
Grey Rocks Foundation Inc's median grant in 2024 was $10,000, and its average grant was $30,090, across 97 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Grey Rocks Foundation Inc that year got $20K on average.
Where does Grey Rocks Foundation Inc give grants?
Grey Rocks Foundation Inc gives mostly in New Hampshire: 61% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Massachusetts (11%) and New Jersey (9%). The most frequent recipient cities were Boston, MA (10 grants), Concord, NH (6 grants), Bristol, NH (4 grants) and Plymouth, NH (3 grants).
Does Grey Rocks Foundation Inc give general operating support?
Yes: 100% of Grey Rocks Foundation Inc's 2024 grants with a stated purpose (97 of 97) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Grey Rocks Foundation Inc's largest grantees?
Grey Rocks Foundation Inc's largest 2024 grantees include Holderness School ($510,000), United States Rowing Association ($251,529) and Dartmouth College ($201,675), according to its 2024 IRS Form 990-PF. Together they received 33% of its itemized 2024 grant dollars.
How large is Grey Rocks Foundation Inc?
Grey Rocks Foundation Inc reported $65.6M in total assets on its 2024 IRS Form 990-PF. It paid out $2.9M in qualifying distributions that year, against a required minimum of $3.8M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Grey Rocks Foundation Inc fund?
No mission statement for the foundation is provided. Its 2024 grants included support for educational institutions, rowing and outdoor programs, conservation, animal welfare, and mentoring. These examples describe the grantees’ work, not a stated mission of the foundation. See mission & focus areas ↑
How do I apply for a grant from Grey Rocks Foundation Inc?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Grey Rocks Foundation Inc's EIN?
Grey Rocks Foundation Inc's EIN (Employer Identification Number) is 04-2944189. IRS Form 990 filing data is available on this page for 2020–2024.
Does Grey Rocks Foundation Inc accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Grey Rocks Foundation Inc funder profile. GrantGraph. Retrieved November 4, 2026, from https://grantable.co/funders/grey-rocks-foundation-inc-morg_2320631232934ff482e3d9cd7a1005d9
BibTeX
@misc{grantable_042944189_2026,
author = {{Grantable}},
title = {{Grey Rocks Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/grey-rocks-foundation-inc-morg_2320631232934ff482e3d9cd7a1005d9},
note = {Accessed 2026-11-04. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Grey Rocks Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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