The Gertler Clark Foundation Inc
The Gertler Clark Foundation Inc is a private foundation based in Weston, Massachusetts. Its 2025 filing reports 45 grants totaling $336,664 to charitable organizations.
The Gertler Clark Foundation Inc at a glance
In short: The Gertler Clark Foundation Inc gave $337K across 45 grants in 2025 (avg $7K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $336,664
- +352.6% vs 2024
- Grants made (2025)
- 45
- +21.6% vs 2024
- Average grant
- $7,481
- +272.1% vs 2024
- Median grant
- $1,000
- Total assets
- $5,003,153
- +6.2% vs 2024
- Primary geography
- Massachusetts (82% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The Gertler Clark Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: PO Box 506, Weston, MA 02493-0003
Phone: (617) 699-9150
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Gertler Clark Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was University of Massachusetts Foundation ($100K). Together the top 10 received $283K.
Grant Size Distribution
170 grants across all recorded years
The most common grant size was under $50K: 166 grants of 170 (98%).
Geographic Focus
Where this funder awards grants
In 2025, 82% of grant dollars went to recipients in Massachusetts, 13% to New York, 3% to Vermont, and 1% each to Connecticut and New Hampshire.
Grant Distribution by State
Share of 2025 grant dollars across all 45 itemized grants.
States
Cities
How The Gertler Clark Foundation Inc gives
- 44% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+8%). Method
- In 2025 it paid out 114% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). 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 2025, annual grant giving ranged from $5K (2021) to $361K (2020). In 2025 it made 45 grants totaling $337K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Massachusetts Foundation Boston, MA | Visiting Lectureship in the Divison of Vacular Surgery | $100,000 |
| Boston University Boston, MA | David Greer MD Fund | $50,000 |
| Root Capital Cambridge, MA | General | $30,000 |
| Myriad USA New York, NY | Afro Climate | $25,000 |
| Squashbusters Inc Roxbury Crossing, MA | General | $25,000 |
| Squash and Education Alliance New York, NY | General | $12,500 |
| Communities for Restorative Justice Boston, MA | General | $10,000 |
| J2RC Dances Marblehead, MA | General | $10,000 |
| Little Bellas Jericho Center, VT | General | $10,000 |
| Sona Global Ltd Jamaica Plain, MA | General | $10,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $5,003,153 | $772,204 | $480,314 | $336,664 | 45 | $412,488 | $715,378 | $360,516 |
| 2024 | $4,711,263 | $459,809 | $205,768 | $74,389 | 37 | $143,575 | $402,616 | $344,007 |
| 2023 | $4,457,222 | $522,585 | $182,400 | $60,180 | 29 | $126,799 | $474,584 | $317,722 |
| 2022 | $4,117,037 | $385,327 | $432,290 | $311,000 | 49 | $377,332 | $333,369 | $356,900 |
| 2021 | $4,164,000 | $410,322 | $55,975 | $5,491 | 10 | — | $376,074 | $317,441 |
| 2020 | $3,809,653 | $235,435 | $526,511 | $360,740 | 45 | — | $179,386 | $287,160 |
Under IRS private-foundation payout rules, The Gertler Clark Foundation Inc reported a distributable amount of $361K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission statement is provided. Its 2025 grants show support for organizations with varied missions. The University of Massachusetts Foundation says it fosters the growth and welfare of the university and disburses gifts for its educational mission. Root Capital says it seeks to increase incomes and stabilize employment for farmers through support for agricultural businesses. SquashBusters says it works to nurture urban youth as students, athletes, and citizens.
Other 2025 grantees include Myriad USA, which says it facilitates thoughtful, effective giving across borders; Squash and Education Alliance, which describes work to grow squash-and-education programs and support program quality; and Communities for Restorative Justice, which says it uses circle processes to address harm and build stronger communities.
Grantmaking
In 2025, the foundation reported 45 grants totaling $336,664. Grant amounts ranged from $100 to $100,000, with a median of $1,000. Its largest grants included $100,000 to the University of Massachusetts Foundation for a visiting lectureship in the Division of Vascular Surgery and $50,000 to Boston University for the David Greer MD Fund. Other sizable grants included $30,000 to Root Capital, $25,000 each to Myriad USA and SquashBusters, and $12,500 to Squash and Education Alliance. The filing also lists grants of $10,000 each to Communities for Restorative Justice, J2RC Dances, Little Bellas, Sona Global Ltd, and Weston News Inc.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Jane R Clark MD as president and executive director; Clark Chessin Gertler as vice president; Charles Garrison Gertler as treasurer; and Jonathan P Gertler MD as secretary. Roger D Kamm PhD and William R Gertler are listed as board members.
The Gertler Clark Foundation Inc is led by Jane R. Clark MD, President & Executive Director on every filing since 2021; 1 of 6 officers listed in 2025 is compensated.
Officers on the 2025 filing
Jane R. Clark MD
President & Executive Director
On filings since 2021
21 hrs/week
$55K (2022) → $60K (2025)
Charles Garrison Gertler
Treasurer
On filings since 2020
1 hr/week
No compensation reported
Clark Chessin Gertler
Vice President
On filings since 2020
4 hrs/week
No compensation reported
Jonathan P. Gertler MD
Secretary
On filings since 2020
3 hrs/week
No compensation reported
Roger D. Kamm PhD
Board Member
On filings since 2020
0.5 hrs/week
No compensation reported
William R. Gertler
Board Member
On filings since 2020
4 hrs/week
No compensation reported
Former officers (1)
- Former: Jane R. Clark Md See Stmt (2020) — President & Executive Director
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $60K, to Jane R Clark MD (President, Executive Direc).
Frequently asked questions about The Gertler Clark Foundation Inc
How much does The Gertler Clark Foundation Inc give each year?
The Gertler Clark Foundation Inc gave $337K across 45 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $74K across 37 grants.
What is The Gertler Clark Foundation Inc's typical grant size?
The Gertler Clark Foundation Inc's median grant in 2025 was $1,000, and its average grant was $7,481, across 45 grants on its 2025 IRS Form 990-PF.
Where does The Gertler Clark Foundation Inc give grants?
The Gertler Clark Foundation Inc gives mostly in Massachusetts: 82% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (13%). The most frequent recipient cities were New York, NY (7 grants), Boston, MA (6 grants), Cambridge, MA (5 grants) and Weston, MA (3 grants).
Does The Gertler Clark Foundation Inc give general operating support?
Yes: 71% of The Gertler Clark Foundation Inc's 2025 grants with a stated purpose (32 of 45) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Gertler Clark Foundation Inc's largest grantees?
The Gertler Clark Foundation Inc's largest 2025 grantees include University of Massachusetts Foundation ($100,000), Boston University ($50,000) and Root Capital ($30,000), according to its 2025 IRS Form 990-PF. Together they received 53% of its itemized 2025 grant dollars.
How large is The Gertler Clark Foundation Inc?
The Gertler Clark Foundation Inc reported $5.0M in total assets on its 2025 IRS Form 990-PF. It paid out $412K in qualifying distributions that year, against a required minimum of $361K (roughly 5% of its investment assets).
What does The Gertler Clark Foundation Inc fund?
No foundation mission statement is provided. Its 2025 grants show support for organizations with varied missions. The University of Massachusetts Foundation says it fosters the growth and welfare of the university and disburses gifts for its educational mission. See mission & focus areas ↑
How do I apply for a grant from The Gertler Clark Foundation Inc?
The foundation 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 The Gertler Clark Foundation Inc's EIN?
The Gertler Clark Foundation Inc's EIN (Employer Identification Number) is 13-6122092. IRS Form 990 filing data is available on this page for 2020–2025.
Does The Gertler Clark 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 September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
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Cite this profile
Grantable. (2026). The Gertler Clark Foundation Inc funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/the-gertler-clark-foundation-inc-morg_983fb322c9b14ca291478a3ab9ea3984
BibTeX
@misc{grantable_136122092_2026,
author = {{Grantable}},
title = {{The Gertler Clark Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-gertler-clark-foundation-inc-morg_983fb322c9b14ca291478a3ab9ea3984},
note = {Accessed 2026-10-11. 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 The Gertler Clark 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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