The Klarman Family Foundation
At a glance
Key takeaways
- The work fits best if your mission and goals match one of the Foundation's four areas: understanding the biological basis of health and illness, ensuring a healthy democracy, expanding access to vital services and enrichment, or supporting the global Jewish community, and its stated geographic priorities are the global Jewish community and Massachusetts.
- Most of its grants are modest: half of its grants to organisations are $100,000 or less, and typical grants fall between $205 and $750,000, so a request in the lower part of that range is more realistic, although its largest grant was $5,000,000 and that band is not a ceiling.
- Applications are accepted on a rolling basis, and grant decisions are typically made in May and November, so the timing of your request matters.
- Repeat funding is central to its giving, with 84% of its grant dollars to organisations going to groups it had also funded in earlier filings, so building a relationship with the Foundation is as important as making a clear case.
- Organisations seeking Community Capital Fund support, which is stated at $250,000 to $1,000,000, should not apply if they are endowments or private foundations, or religious organisations where the grant would be used primarily for sectarian purposes.
Overview
The Klarman Family Foundation is a US private foundation based in Boston, MA.
What they fund
Profile derived from the foundation's IRS Form 990-PF filings (TY2024, TY2023, TY2022) and its website, with every statement checked against those sources. Sources read on 7 October 2026.
Priority Areas
The Foundation directs its grantmaking to four areas: advancing understanding of the biological basis of health and illness; ensuring a healthy democracy; expanding access to vital services and enrichment opportunities; and supporting the global Jewish community. It provides general operating, project and capital support through annual and multi-year grants, often using unrestricted support to strengthen organisations and help them make a measurable difference. In Massachusetts, its community work includes the safety net, high-quality health care, children’s mental health and vibrant communities, with a particular focus on music education pathways for youth. It evaluates organisations’ strategies, effectiveness, leadership and financial position, alongside their board, planning, practices, goals and record of results.
Themes
- Biological basis of health
- Healthy democracy
- Vital services and enrichment
- Global Jewish community
- Music education pathways
Geographic Focus
Priority: Global Jewish community; Massachusetts.
What They Don't Fund
- Community Capital Fund only: Endowments or private foundations; religious organizations where the grant is to be used primarily for sectarian purposes
How to apply
For the Community Capital Fund, applicants who meet the eligibility screening are directed to a First Stage Application covering the project and relevant financial documents.
Deadlines: Applications are accepted on a rolling basis; grant decisions are typically made twice a year, in May and November.
Application success factors
- Repeat giving: In its TY2024 filing, 84% of its grant dollars to organisations went to organisations it had also funded in its TY2022 or TY2023 filing.
- Grant size: Across its TY2022, TY2023 and TY2024 filings, half of its 910 grants to organisations were $100,000 or less.
What the foundation says:
- The Foundation evaluates leadership, board strength, planning and financial practices.
- It looks for clearly articulated goals and a record of assessing and achieving them.
- It considers whether an organisation’s mission and goals fit its areas of focus.
- The Foundation does not typically make grants toward endowments.
- The Community Capital Fund favours financially viable organisations with evidence of impact and resilience.
- The Community Capital Fund assesses whether projects are feasible, well planned and supported by realistic estimates and timelines.
- The Community Capital Fund values organisations that engage with and represent their communities, and projects that benefit those communities.
- The Crescendo Fund prioritises programmes providing high-quality sequential instrument instruction and sustained skill development.
Where grants go
From grants to organisations in the foundation’s filings for tax years 2022–2024.
Grant dollars by state
6 other states: 3%
Outside the US or with no state on the filing: 17%
- The largest single recipient received 7% of grant dollars to organisations.
- In tax year 2024, 84% of grant dollars went to organisations The Klarman Family Foundation had funded in earlier filings.
- 8% of grant dollars went directly to organisations outside the US (Israel, United Kingdom).
- 38% of grant dollars went to intermediaries that regrant to other organisations.
Grants
How much do they typically give?
Share of 259 grants in tax year 2024 by size
Median $100k (tax year 2024)
The largest grants to organisations in the foundation’s latest filing:
- Election Trust Initiative · General initiative support$5,000,0002024 tax year
- ClimateWorks Foundation · Support for the FPC collaborative$4,000,0002024 tax year
- Broad Institute · Support for scientific research$3,850,8412024 tax year
- New Venture Fund · Support for civic participation$3,500,0002024 tax year
- European Climate Foundation · Support for the PIE initiative$3,000,0002024 tax year
- Environmental Defense Fund · Support for the EDF+Business program$3,000,0002024 tax year
- SchwartzReisman Science Education Center Rehovot · To support the advancement of Arab Israeli students and capital project support$2,800,0002024 tax year
- Boston Medical Center · Support for the TEAM UP for Children Initiative$2,075,0002024 tax year
Grants to organisations listed in the foundation’s Form 990-PF filings. Grants to individuals are not shown.
Officers and directors
- Steven Moore — Chief Operating Officer
- Kim McCabe — President
- Beth S Klarman — Trustee
- Seth A Klarman — Trustee
From the latest Form 990-PF filing
3 years of tax filings
| Year | Total expenses | Grants paid | Assets | Filing document |
|---|---|---|---|---|
| 2022 tax year | $106,605,858 | $86,255,497 | $995,513,060 | Filing for 2022 tax year |
| 2023 tax year | $109,524,195 | $89,989,220 | $981,845,040 | Filing for 2023 tax year |
| 2024 tax year | $105,297,791 | $82,184,561 | $1,000,248,860 | Filing for 2024 tax year |
Figures from the foundation’s IRS Form 990-PF filings. Assets are at fair market value at year end. The document icon links to each year’s filing on ProPublica Nonprofit Explorer.
Sources
Registers and filings
Other sources
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At a glance

Applying to The Klarman Family Foundation?
Hinchilla drafts your answers around this funder's priorities, using your organisation's own documents.
No credit card required
Contact
- (617) 236-7909
- info@klarmanfoundation.org
- Boston, MA
- klarmanfoundation.org

Applying to The Klarman Family Foundation?
Hinchilla drafts your answers around this funder's priorities, using your organisation's own documents.
No credit card required
Contact
- (617) 236-7909
- info@klarmanfoundation.org
- Boston, MA
- klarmanfoundation.org