The Carroll & Percy Klingenstein

Private foundation · Grantmaker New York, NY EIN: 13-2850138

The Carroll & Percy Klingenstein is a private foundation based in New York, NY. It makes grants to charitable organizations, including organizations in education, health, human services, and other areas represented among its 2025 grantees.

The Carroll & Percy Klingenstein at a glance

In short: The Carroll & Percy Klingenstein gave $125K across 33 grants in 2025 (avg $4K), mostly in New York. 36% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$125,160
+519.5% vs 2024
Grants made (2025)
33
+230.0% vs 2024
Average grant
$3,793
+87.7% vs 2024
Median grant
$1,000
Total assets
$2,280,497
-5.0% vs 2024
New grantees (estimate)
36% first-time grantees (12 of 33, 2025)
Primary geography
New York (55% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Carroll & Percy Klingenstein

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests and states that it makes contributions only to preselected charitable organizations. It says no formal application is necessary; only a general letter of request is needed. Eligible recipients must be public charities described under IRC Section 509(a)(1), (2), or (3).

Contact

Application contact: Glenn Zimmerman
Mailing address: 120 West 45Th Street, New York, NY 10036
Phone: (212) 840-6444

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

Who The Carroll & Percy Klingenstein funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Music Theater Works: $25KMusic Theater Works$25KThe New Jewish Home: $20KThe New Jewish Home$20KConnecticut College: $18KConnecticut College$18KBurke Rehabilitation Hospital: $10KBurke Rehabilitation Hospital$10KNightingale Bamford School: $8KNightingale Bamford School$8KRye Country Day School: $7KRye Country Day School$7KCongregation Emanu-El of Westchester: $6KCongregation Emanu-El ofWestchester$6KSmart Love Family Services: $5KSmart Love Family Services$5KUJA Federation: $5KUJA Federation$5KAmerican Kidney Fund: $3KAmerican Kidney Fund$3K

The largest 2025 recipient was Music Theater Works ($25K). Together the top 10 received $105K.

Grant Size Distribution

137 grants across all recorded years

137<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 137 grants of 137 (100%).

Geographic Focus

Where this funder awards grants

In 2025, 55% of grant dollars went to recipients in New York, 27% to Illinois, 14% to Connecticut, 3% to Maryland, and 1% to Massachusetts.

Grant Distribution by State

11states

Share of 2025 grant dollars across all 33 itemized grants.

Cities

New YorkChicagoPurchaseHarrisonPort ChesterRyeEast RyeDeerfieldNew LondonRockvilleSheffieldAtlantaLarchmontSarasotaSaratoga SpringsWilmetteBaltimoreBronxBuffaloCoral Gables

Is The Carroll & Percy Klingenstein open to new grantees?

36%

first-time grantees, 2025

In 2025, 12 of 33 grantees (36%) were first-time recipients. First grants averaged $2K; repeat grants $5K. How we count

Medians: $1K first-time, $2K repeat.

  • 21% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−10%). Method
  • In 2025 it paid out 66% 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 (2021–2025). 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$50K$100K$150K29 grants2021 34 grants2022 31 grants2023 10 grants2024 33 grants2025

From 2021 to 2025, annual grant giving ranged from $20K (2024) to $140K (2022). In 2025 it made 33 grants totaling $125K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Music Theater Works Wilmette, ILGeneral Charitable Purpose$25,000
The New Jewish Home New York, NYGeneral Charitable Purpose$20,000
Connecticut College New London, CTGeneral Charitable Purpose$17,500
Burke Rehabilitation Hospital White Plains, NYGeneral Charitable Purpose$10,000
Nightingale Bamford School New York, NYGeneral Charitable Purpose$7,500
Rye Country Day School Rye, NYGeneral Charitable Purpose$6,500
Congregation Emanu-El of Westchester East Rye, NYGeneral Charitable Purpose$5,500
Smart Love Family Services Oak Park, ILGeneral Charitable Purpose$5,000
UJA Federation New York, NYGeneral Charitable Purpose$5,000
American Kidney Fund Rockville, MDGeneral Charitable Purpose$2,500
Your AI grants department

Ready to take the next step with The Carroll & Percy Klingenstein?

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
2025$2,280,497$47,592$168,529$125,16033$129,180$8,243$196,750
2024$2,401,434$15,965$58,972$20,20210$23,137$12,447$165,210
2023$2,444,441$4,534$188,523$131,67031$134,355$8,830$155,345
2022$2,649,720$1,288,550$182,329$139,60034$142,125$1,248,426$169,790
2021$1,522,209$29,131$172,551$110,05729—$16,310$150,721

Under IRS private-foundation payout rules, The Carroll & Percy Klingenstein reported a distributable amount of $197K 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 mission statement for the foundation is provided. Its 2025 grants went to organizations with varied missions. Connecticut College says it educates students to put the liberal arts into action as citizens of a global society. Rye Country Day School describes itself as a coeducational, college-preparatory school serving students from pre-kindergarten through grade 12. The American Kidney Fund says its mission is to fight kidney disease and help people live healthier lives. My Sisters’ Place says it works to end domestic violence and human trafficking through services, advocacy, and community education.

Grantmaking

In 2025, the foundation made 33 grants totaling $125,160. Grants ranged from $100 to $25,000, with a median of $1,000. The largest awards included $25,000 to Music Theater Works, $20,000 to The New Jewish Home, $17,500 to Connecticut College, $10,000 to Burke Rehabilitation Hospital, and $7,500 to Nightingale-Bamford School. The listed grant purposes were “general charitable purpose.”

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Fran Klingenstein as president/director and Jean Klingenstein as secretary/treasurer/director.

The Carroll & Percy Klingenstein is led by Fran Klingenstein, President & Director on every filing since 2024; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Fran Klingenstein

    President & Director

    On filings since 2024

    1 hr/week

    No compensation reported

  • Jean Klingenstein

    Secretary, Treasurer & Director

    On filings since 2021

    0.5 hrs/week

    No compensation reported

Former officers (1)
  • Former: William P. Klingenstein (2021–2023) — President & Director

Data from IRS Form 990 filings, 2021–2025. "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 The Carroll & Percy Klingenstein

How much does The Carroll & Percy Klingenstein give each year?

The Carroll & Percy Klingenstein gave $125K across 33 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $20K across 10 grants.

What is The Carroll & Percy Klingenstein's typical grant size?

The Carroll & Percy Klingenstein's median grant in 2025 was $1,000, and its average grant was $3,793, across 33 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Carroll & Percy Klingenstein that year got $2K on average.

Where does The Carroll & Percy Klingenstein give grants?

The Carroll & Percy Klingenstein gives mostly in New York: 55% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Illinois (27%) and Connecticut (14%). The most frequent recipient cities were New York, NY (10 grants), Chicago, IL (3 grants), Purchase, NY (3 grants) and Rye, NY (2 grants).

Does The Carroll & Percy Klingenstein give general operating support?

Yes: 100% of The Carroll & Percy Klingenstein's 2025 grants with a stated purpose (33 of 33) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Carroll & Percy Klingenstein's largest grantees?

The Carroll & Percy Klingenstein's largest 2025 grantees include Music Theater Works ($25,000), The New Jewish Home ($20,000) and Connecticut College ($17,500), according to its 2025 IRS Form 990-PF. Together they received 50% of its itemized 2025 grant dollars.

How large is The Carroll & Percy Klingenstein?

The Carroll & Percy Klingenstein reported $2.3M in total assets on its 2025 IRS Form 990-PF. It paid out $129K in qualifying distributions that year, against a required minimum of $197K (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 The Carroll & Percy Klingenstein fund?

No mission statement for the foundation is provided. Its 2025 grants went to organizations with varied missions. Connecticut College says it educates students to put the liberal arts into action as citizens of a global society. See mission & focus areas ↑

How do I apply for a grant from The Carroll & Percy Klingenstein?

The foundation does not accept unsolicited requests and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Carroll & Percy Klingenstein's EIN?

The Carroll & Percy Klingenstein's EIN (Employer Identification Number) is 13-2850138. IRS Form 990 filing data is available on this page for 2021–2025.

Does The Carroll & Percy Klingenstein 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

  1. IRS filings on file for fiscal years 2021–2025

Explore Open Grants

Browse active grant opportunities in The Carroll & Percy Klingenstein's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in New York

The Chicago Community Trust

Chicago, IL

The Chicago Community Trust funds eligible nonprofits working to narrow the wealth gap and meet urgent needs, with priorities including economic mobility, education, jobs, homeownership, and community development in metropolitan Chicago and Cook County. Its 2025 grants had a median of $26,500, though amounts varied widely; the profile does not state whether it accepts unsolicited requests.

Assets

$7.1B

Grants

4,316

Total Given

$1.2B

The Ford Foundation

New York, NY

The Ford Foundation funds organizations and initiatives working to reduce inequality and advance social justice, including work on civic engagement, civil rights, climate justice, disability rights, and technology and society. In 2024, its grants ranged from $45 to $15 million, with a median of $100,000, supporting work in the U.S. and internationally. It says most grants are identified by the foundation and it does not accept unsolicited proposals by mail, email, or phone; limited opportunities may be offered separately.

Philanthropy, Voluntarism & Grantmaking

Assets

$17.5B

Grants

4,007

Total Given

$844.7M

The New York Community Trust

New York, NY

The New York Community Trust funds nonprofit programs in areas such as arts, education, health, the environment, workforce development, and youth development, including projects that improve services, build organizational capacity, or advance policy and systems change. Its competitive grants mainly serve New York City, Long Island, and Westchester, with some national and international environmental funding; the 2024 median grant was $20,000. The profile does not state whether it accepts unsolicited requests.

Assets

$3.5B

Grants

2,748

Total Given

$193.8M

The Simons Foundation Inc

New York, NY

The Simons Foundation funds research and public engagement in mathematics and the physical, life, autism, and neuroscience sciences. In 2024, it made 1,727 grants, with a median award of $72,000 and amounts ranging from $1,480 to $20 million, supporting organizations in the U.S. and internationally. It states that it funds only preselected charitable organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$4.5B

Grants

1,727

Total Given

$272.0M

Local Initiatives Support Corporation

New York, NY

LISC funds affordable housing, community development, small businesses, and related efforts that strengthen inclusive communities, providing grants as well as loans, equity, and technical assistance across the country. Its 2024 grants had a median award of $40,000, though amounts varied widely. Application access is program-specific: for its Rhode Island child care facilities planning grants, applicants are instructed to consult program staff before submitting a request.

Assets

$1.6B

Grants

1,119

Total Given

$102.8M

Wellspring Philanthropic Fund Inc

New York, NY

Wellspring Philanthropic Fund supports human rights and social and economic justice, including work on climate, the environment, civic engagement, and Jewish causes, in the United States and internationally. Its 2024 grants had a median of $200,000, with amounts ranging from $500 to $9.75 million. It funds only preselected organizations and does not accept unsolicited requests; it plans to end grantmaking by the end of 2028.

Philanthropy, Voluntarism & Grantmaking

Assets

$134.4M

Grants

1,101

Total Given

$326.0M

More Funders in New York

Cite this profile

Grantable. (2026). The Carroll & Percy Klingenstein funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/the-carroll-and-percy-klingenstein-morg_f63b8aac517445ab85cf19f3389985b4

BibTeX
@misc{grantable_132850138_2026,
  author       = {{Grantable}},
  title        = {{The Carroll \& Percy Klingenstein funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-carroll-and-percy-klingenstein-morg_f63b8aac517445ab85cf19f3389985b4},
  note         = {Accessed 2026-10-10. 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 Carroll & Percy Klingenstein'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.

The Carroll & Percy Klingenstein down — hundreds of funders to go?

Want AI to do this for you?