The Esther a & Joseph Klingenstein Fund Inc logo

The Esther a & Joseph Klingenstein Fund Inc

Private foundation · Grantmaker New York, NY EIN: 13-6028788 Website
EducationElementary and secondary educationHigher educationHealthIn-patient medical care

The Esther A & Joseph Klingenstein Fund Inc is a private foundation based in New York, New York. Its 2025 grants supported neuroscience research, early literacy, early childhood policy and advocacy, and nonprofit reporting.

The Esther a & Joseph Klingenstein Fund Inc at a glance

In short: The Esther a & Joseph Klingenstein Fund Inc gave $16.9M across 99 grants in 2025 (avg $170K), top state New York. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$16,857,159
+82.2% vs 2024
Grants made (2025)
99
+6.5% vs 2024
Average grant
$170,274
+71.2% vs 2024
Median grant
$150,000
Total assets
$348,148,693
+190.8% vs 2024
Primary geography
New York (17% 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 Esther a & Joseph Klingenstein Fund 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: 360 Madison Ave Floor 7, New York, NY 10017
Phone: (212) 583-1100

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Esther a & Joseph Klingenstein Fund Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

President and Fellows of Harvard College (OSP): $650K across 2 grantsPresident and Fellows ofHarvard College (OSP)$650K · 2 grantsYale University: $600KYale University$600KThe Regents of the University of CA San Francisco: $600KThe Regents of the Universityof CA San Francisco$600KTrustees of Columbia University in the City of NY: $550K across 2 grantsTrustees of ColumbiaUniversity in the City of NY$550K · 2 grantsThe Lenfest Institute for Journalism LLC: $500KThe Lenfest Institute forJournalism LLC$500KHealth Federation of Philadelphia: $450K across 2 grantsHealth Federation ofPhiladelphia$450K · 2 grantsNew York University (Sponsored Programs Admin): $400K across 2 grantsNew York University (SponsoredPrograms Admin)$400K · 2 grantsRelay Graduate School of Education: $381KRelay Graduate School ofEducation$381KStanford University-OSR: $350K across 2 grantsStanford University-OSR$350K · 2 grantsVanderbilt University: $350K across 2 grantsVanderbilt University$350K · 2 grants

The largest 2025 recipient was President and Fellows of Harvard College (OSP) ($650K across 2 grants). Together the top 10 received $4.8M.

Organizations only. It also paid 1 grant to individuals ($200,000), which are not listed by name.

Grant Size Distribution

269 grants across all recorded years

31<$50K68$50–100K147$100–250K18$250–500K3$500K–1M2$1–5M$5M+

The most common grant size was in the $100–250K range: 147 grants of 269 (55%).

Geographic Focus

Where this funder awards grants

The fund is based in New York, New York. In 2025, the largest shares of grant dollars by recipient state were New York (17%), the District of Columbia (14%), California (12%), Massachusetts (11%), and Pennsylvania (7%).

Grant Distribution by State

31states

Share of 2025 grant dollars across all 99 itemized grants.

Cities

New YorkWashingtonBostonOaklandPhiladelphiaCambridgeNew HavenSt. LouisBaltimoreDallasLa JollaStanfordArlingtonCold Spring HarborDurhamIthacaNashvillePortlandSeattleBloomington

How The Esther a & Joseph Klingenstein Fund Inc gives

  • 50% of 2025 grantees were also funded in 2024. Method
  • Giving grew 437% from 2022 to 2025. Method
  • In 2025 it paid out 107% 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

$0$5M$10M$15M$20M2 grants2019 2 grants2020 1 grant2021 1 grant2022 75 grants2023 93 grants2024 99 grants2025

From 2019 to 2025, annual grant giving ranged from $3.1M (2021) to $16.9M (2025). In 2025 it made 99 grants totaling $16.9M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Yale University New Haven, CTNeuroscience$600,000
The Regents of the University of CA San Francisco Los Angeles, CANeuroscience$600,000
The Lenfest Institute for Journalism LLC Philadelphia, PANon-Profit Reporting$500,000
President and Fellows of Harvard College (OSP) Cambridge, MANeuroscience$450,000
Health Federation of Philadelphia Philadelphia, PAEarly Childhood Policy/Advocacy$400,000
Relay Graduate School of Education New York, NYEarly Literacy Grants$381,000
Trustees of Columbia University in the City of NY New York, NYNeuroscience$350,000
Bipartisan Policy Center Washington, DCEarly Childhood Policy/Advocacy$350,000
Washington University in Saint Louis St. Louis, MONeuroscience$300,000
UT Southwestern Medical Center Dallas, TXNeuroscience$300,000
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Financial History

Multi-year comparison from IRS filings

The fund files Form 990-PF.

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$348,148,693$329,192,065$19,422,965$16,857,15999$18,842,792$85,920,112$17,577,651
2024$119,702,530$7,596,262$11,143,051$9,252,33493$10,832,039$2,077,771$6,437,257
2023$123,254,867$3,683,723$7,868,628$6,281,29575$7,575,338$1,506,196$5,875,282
2022$127,438,666$2,194,797$6,245,954$3,139,6141$4,366,785$997,107$6,222,464
2021$132,747,675$93,429,967$4,541,778$3,075,7431—$91,892,338$4,825,272
2020$44,005,067$1,682,417$6,001,316$4,895,5552—$1,613,682$5,208,196
2019$47,007,781$3,452,989$5,716,173$4,662,5612—$1,855,226$5,180,268

Under IRS private-foundation payout rules, The Esther a & Joseph Klingenstein Fund Inc reported a distributable amount of $17.6M for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

The available information does not state an overall mission for the fund. Its 2025 grants show support for neuroscience, early literacy, early childhood policy and advocacy, and nonprofit reporting.

The fund’s grantees describe a range of work. The Health Federation of Philadelphia says it plans, advocates for, administers, and develops primary health care for low-income Philadelphians. The Bipartisan Policy Center says it promotes bipartisan solutions through analysis, negotiation, and dialogue, addressing issues including health, economic policy, and governance. The Reading League says it advances awareness, understanding, and use of evidence-aligned reading instruction. The National Council on Teacher Quality describes itself as a research and advocacy nonprofit working to ensure every child has effective teachers.

Other 2025 recipients include universities whose stated missions encompass education and research. Harvard describes its work as undergraduate, graduate, and professional education and research across academic domains; NYU identifies education, research and scholarship, and patient care as its primary missions; and MIT describes its mission as advancing knowledge and educating students in science, technology, and other areas of scholarship.

Grantmaking

In 2025, the fund reported 99 grants totaling $16,857,159. Grant amounts ranged from $830 to $600,000, with a median of $150,000.

Among the largest grants were $600,000 each to Yale University and the Regents of the University of California, San Francisco, for neuroscience; $500,000 to the Lenfest Institute for Journalism for nonprofit reporting; and $450,000 to Harvard for neuroscience. The fund also awarded $400,000 to the Health Federation of Philadelphia and $350,000 to the Bipartisan Policy Center for early childhood policy and advocacy, and $381,000 to Relay Graduate School of Education for early literacy grants.

The Klingenstein-Simons Fellowship Awards in Neuroscience program is listed as active. It supports early-career investigators conducting basic or clinical research relevant to neurological and psychiatric disorders. The stated award is $150,000 annually for three years, up to $450,000 total. The program encourages applications from underrepresented groups and prioritizes candidates with promising scientific careers who may not have received substantial prior funding.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Andrew Klingenstein as trustee and CEO; Nancy K Simpkins as vice president; Sarah K Martell as secretary and trustee; Julie Klingenstein as trustee; Alan Klingenstein as treasurer; Emma Brownstein as trustee; Eliot Brenner as executive director and trustee; Alexandra D Klingenstein as trustee; Greg Brownstein as trustee; and Zachary Toal as trustee.

The Esther a & Joseph Klingenstein Fund Inc is led by Andrew Klingenstein, Trustee & CEO since 2020 (on filings since 2019); 1 of 10 officers listed in 2025 is compensated.

Officers on the 2025 filing

  • Andrew Klingenstein

    Trustee & CEO

    President & Director → Trustee & CEO, 2020

    On filings since 2019

    5 hrs/week

    No compensation reported

  • Eliot Brenner

    Executive Director & Trustee

    On filings since 2020

    30 hrs/week

    $159K (2020) → $332K (2025)

  • Sarah K. Martell

    Secretary & Trustee

    Secretary & Director → Secretary & Trustee, 2020

    On filings since 2019

    0.5 hrs/week

    $11K (2019) → $0 (2025)

  • Julie Klingenstein

    Trustee

    Director → Trustee, 2020

    On filings since 2019

    5 hrs/week

    No compensation reported

  • Emma Brownstein

    Trustee

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Alexandra D. Klingenstein

    Trustee

    On filings since 2023

    0.5 hrs/week

    No compensation reported

  • Greg Brownstein

    Trustee

    On filings since 2023

    0.5 hrs/week

    No compensation reported

  • Zachary Toal

    Trustee

    On filings since 2023

    0.5 hrs/week

    No compensation reported

  • Alan Klingenstein

    Treasurer

    Trustee → Treasurer, 2024

    On filings since 2019

    0.5 hrs/week

    No compensation reported

  • Nancy K. Simpkins

    Vice President

    Director → Trustee, 2020

    Trustee → Vice President, 2024

    On filings since 2019

    5 hrs/week

    No compensation reported

Former officers (4)
  • Former: Patricia Klingenstein (2019–2022) — Trustee
  • Former: Teresa Klingenstein (2019–2022) — Trustee
  • Former: Thomas D. Klingenstein (2019–2022) — Trustee
  • Former: Emily Klingenstein (2019) — Trustee

Data from IRS Form 990 filings, 2019–2025. "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

Eliot Brenner — Executive Director, Trustee: $332KEliot BrennerExecutive Director, Trustee$332K

The highest reported compensation on the 2025 filing was $332K, to Eliot Brenner (Executive Director, Trustee).

Frequently asked questions about The Esther a & Joseph Klingenstein Fund Inc

How much does The Esther a & Joseph Klingenstein Fund Inc give each year?

The Esther a & Joseph Klingenstein Fund Inc gave $16.9M across 99 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $9.3M across 93 grants.

What is The Esther a & Joseph Klingenstein Fund Inc's typical grant size?

The Esther a & Joseph Klingenstein Fund Inc's median grant in 2025 was $150,000, and its average grant was $170,274, across 99 grants on its 2025 IRS Form 990-PF.

Where does The Esther a & Joseph Klingenstein Fund Inc give grants?

The Esther a & Joseph Klingenstein Fund Inc's top state is New York, with 17% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were District of Columbia (14%) and California (12%). The most frequent recipient cities were Washington, DC (14 grants), New York, NY (12 grants), Boston, MA (6 grants) and Cambridge, MA (3 grants).

Does The Esther a & Joseph Klingenstein Fund Inc give general operating support?

Not in 2025: none of the 99 grants with a stated purpose on The Esther a & Joseph Klingenstein Fund Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Neuroscience" (28 grants), "Environment" (27 grants) and "Early Childhood Funding Models" (11 grants).

Who are The Esther a & Joseph Klingenstein Fund Inc's largest grantees?

The Esther a & Joseph Klingenstein Fund Inc's largest 2025 grantees include President and Fellows of Harvard College (OSP) ($650,000 across 2 grants), Yale University ($600,000) and The Regents of the University of CA San Francisco ($600,000), according to its 2025 IRS Form 990-PF. It also paid 1 grant to individuals ($200,000), which are not listed by name. Together they received 11% of its itemized 2025 grant dollars.

How large is The Esther a & Joseph Klingenstein Fund Inc?

The Esther a & Joseph Klingenstein Fund Inc reported $348.1M in total assets on its 2025 IRS Form 990-PF. It paid out $18.8M in qualifying distributions that year, against a required minimum of $17.6M (roughly 5% of its investment assets).

What does The Esther a & Joseph Klingenstein Fund Inc fund?

The available information does not state an overall mission for the fund. Its 2025 grants show support for neuroscience, early literacy, early childhood policy and advocacy, and nonprofit reporting. See mission & focus areas ↑

How do I apply for a grant from The Esther a & Joseph Klingenstein Fund 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 The Esther a & Joseph Klingenstein Fund Inc's EIN?

The Esther a & Joseph Klingenstein Fund Inc's EIN (Employer Identification Number) is 13-6028788. IRS Form 990 filing data is available on this page for 2019–2025.

Does The Esther a & Joseph Klingenstein Fund 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

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS August 16, 2021)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS August 17, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). The Esther a & Joseph Klingenstein Fund Inc funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-esther-a-and-joseph-klingenstein-fund-inc-morg_0d6b525cfce4465da02f2821cc7e9906

BibTeX
@misc{grantable_136028788_2026,
  author       = {{Grantable}},
  title        = {{The Esther a \& Joseph Klingenstein Fund Inc funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-esther-a-and-joseph-klingenstein-fund-inc-morg_0d6b525cfce4465da02f2821cc7e9906},
  note         = {Accessed 2026-10-10. Data licensed CC BY 4.0}
}

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Figures come from The Esther a & Joseph Klingenstein Fund 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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