John & Patricia Klingenstein Fund logo

John & Patricia Klingenstein Fund

Private foundation · Grantmaker New York, NY EIN: 13-4062589 Website

The John & Patricia Klingenstein Fund is a private foundation based in New York, New York. Its 2024 IRS filing is marked as the organization’s final return, indicating that it appears to have wound down or stopped grantmaking.

John & Patricia Klingenstein Fund at a glance

In short: John & Patricia Klingenstein Fund gave $5.3M across 2 grants in 2024 (avg $2.6M), mostly in New York. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$5,280,000
+4.8% vs 2023
Grants made (2024)
2
-97.3% vs 2023
Average grant
$2,640,000
+3776.8% vs 2023
Median grant
$2,640,000
Primary geography
New York (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026.

How to apply to John & Patricia Klingenstein Fund

Accepts unsolicited proposals
No
Contact

Mailing address: 61 Broadway Ste 1601, New York, NY 10006
Phone: (212) 583-1100

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

Who John & Patricia Klingenstein Fund funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

Esther & Joseph Klingenstein Fund: $4.5MEsther & Joseph KlingensteinFund$4.5MKlingenstein Third Generation Foundation: $780KKlingenstein Third GenerationFoundation$780K

The largest 2024 recipient was Esther & Joseph Klingenstein Fund ($4.5M). Together the top 2 received $5.3M.

Grant Size Distribution

81 grants across all recorded years

61<$50K6$50–100K2$100–250K2$250–500K4$500K–1M6$1–5M$5M+

The most common grant size was under $50K: 61 grants of 81 (75%).

Geographic Focus

Where this funder awards grants

Both recipients listed for 2024 are in New York, and the filing reports that New York received 100% of grant dollars that year.

Grant Distribution by State

7states

Share of 2024 grant dollars across all 2 itemized grants.

Cities

New YorkGreenwichWashingtonDeerfieldPortlandAugustaBaltimoreBelgrade LakesBrewerBrooklynCold Spring HarborConshohockenCos CobGarrisonHartfordHawthorneKatonahLaurelManchesterNew Canaan

How John & Patricia Klingenstein Fund gives

  • Giving grew 20% from 2021 to 2024. Method
  • In 2024 it paid out 88% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$6M1 grant2020 2 grants2021 2 grants2022 74 grants2023 2 grants2024

From 2020 to 2024, annual grant giving ranged from $4.4M (2021) to $5.3M (2024). In 2024 it made 2 grants totaling $5.3M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Esther & Joseph Klingenstein Fund New York, NYGeneral Purpose$4,500,000
Klingenstein Third Generation Foundation New York, NYGeneral Purpose$780,000
Your AI grants department

Ready to take the next step with John & Patricia Klingenstein Fund?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024—$2,442,365$5,529,133$5,280,0002$5,346,834$565,667$6,068,098
2023$116,216,807$3,262,728$5,325,453$5,039,20074$5,178,265$1,315,318$5,258,410
2022$118,037,955$3,117,139$6,337,185$4,812,8792$4,885,699$1,028,504$5,222,048
2021$121,264,191$78,254,052$4,598,681$4,395,2722$4,435,058$74,967,163$4,821,652
2020$46,545,111$3,277,252$4,750,039$4,524,9591—$1,439,398$4,574,909

Under IRS private-foundation payout rules, John & Patricia Klingenstein Fund reported a distributable amount of $6.1M for 2024 — the minimum it must pay out in qualifying distributions.

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

Grantmaking

In filing year 2024, the fund reported $5,280,000 in grants across two grants, ranging from $780,000 to $4,500,000. The two reported grants were $4,500,000 to the Esther & Joseph Klingenstein Fund for general purpose and $780,000 to the Klingenstein Third Generation Foundation for general purpose.

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Its 2024 filing is marked as its final return.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Andrew Klingenstein, Nancy Simpkins, Sarah Martell, and Thomas Klingenstein as trustees.

John & Patricia Klingenstein Fund's 2024 filing lists 4 officers; none of the 4 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Andrew Klingenstein

    Trustee

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Nancy Simpkins

    Trustee

    On filings since 2023

    5 hrs/week

    No compensation reported

  • Sarah Martell

    Trustee

    On filings since 2023

    5 hrs/week

    No compensation reported

  • Thomas Klingenstein

    Trustee

    On filings since 2023

    5 hrs/week

    No compensation reported

Former officers (1)
  • Former: Patricia Klingenstein (2020–2023) — Trustee · Filing note: Until 22023

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 John & Patricia Klingenstein Fund

How much does John & Patricia Klingenstein Fund give each year?

John & Patricia Klingenstein Fund gave $5.3M across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $5.0M across 74 grants.

How do I apply for a grant from John & Patricia Klingenstein Fund?

John & Patricia Klingenstein Fund does not accept unsolicited proposals, according to Grantable's research on its published guidelines. Check klingenstein.org for any change to that policy.

Where does John & Patricia Klingenstein Fund make grants?

Both recipients listed for 2024 are in New York, and the filing reports that New York received 100% of grant dollars that year.

How much is John & Patricia Klingenstein Fund required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, John & Patricia Klingenstein Fund reported a distributable amount of $6.1M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is John & Patricia Klingenstein Fund's EIN?

John & Patricia Klingenstein Fund's EIN (Employer Identification Number) is 13-4062589. IRS Form 990 filing data is available on this page for 2020–2024.

Does John & Patricia Klingenstein Fund 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

  1. IRS filings on file for fiscal years 2020–2024

Live grants for the work John & Patricia Klingenstein Fund funds

Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.

Explore Open Grants

Browse active grant opportunities in John & Patricia Klingenstein Fund's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

IBM International Foundation

Armonk, NY

The IBM International Foundation funds education and workforce programs that build 21st-century and technology job skills, including initiatives for underserved students and job seekers. Its 2024 grants ranged from $10,000 to $8.48 million, with a median of $100,000, and went to organizations across several U.S. states, especially Delaware and Massachusetts. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$357.7M

Grants

16

Total Given

$11.7M

The Ae Family Foundation

Greenwich, CT

The AE Family Foundation supports arts and cultural institutions, health and medical research, and community and environmental organizations. Its 2024 grants ranged from $1,000 to $400,000, with a median of $5,000; most funding went to New York, followed by Massachusetts, Florida, New Jersey, and Connecticut. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$13.4M

Grants

45

Total Given

$1.9M

Morse Family Foundation Inc

New York, NY

Morse Family Foundation supports organizations working in marine mammal research and education, health and science, arts education, and the performing arts, with most 2026 grant dollars going to New York recipients and others going to Massachusetts, Pennsylvania, and Connecticut. Its 2026 grants ranged from $100 to $75,000, with a median of $12,500. It funds only preselected charitable organizations and does not accept unsolicited requests.

Assets

$1.7M

Grants

26

Total Given

$454K

Aetna Foundation Inc

Hartford, CT

Aetna Foundation supported health and wellness, access to health care, and related community needs; its 2021 grants ranged from $5,000 to $1 million, with a median of $40,000, and went to organizations across multiple states, especially in D.C. and Connecticut. Its 2021 filing was marked final, so it appears to have ended or be winding down grantmaking; that filing said there were no restrictions on who could apply and pointed applicants to its website for application materials.

Assets

—

Grants

65

Total Given

$7.2M

Oppenheim Family Fund Inc

New York, NY

The foundation supports charitable organizations working in areas such as children’s programs, conservation, health care, education and literacy, public media, and philanthropy, with grants concentrated in New York, Maine, and Connecticut. Its 2025 grants ranged from $100 to $84,000, with a median of $3,000. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$9.9M

Grants

81

Total Given

$668K

Royce Family Fund Inc

Greenwich, CT

The foundation funds cultural, educational, religious, and community-serving organizations, with most 2024 grant dollars going to organizations in New York, Rhode Island, Connecticut, and Massachusetts. In 2024, it made 100 grants totaling $5.89 million; grants ranged from $215 to $1 million, with a median of $10,000. It gives only to preselected organizations and does not accept unsolicited requests.

Assets

$97.4M

Grants

100

Total Given

$5.9M

More similar funders

More Funders in New York

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from John & Patricia Klingenstein Fund'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.

John & Patricia Klingenstein Fund down — hundreds of funders to go?

Want AI to do this for you?