Marc and Janet Pfeffer Foundation

Private foundation · Grantmaker New York, NY EIN: 20-3940367

The Marc and Janet Pfeffer Foundation is a private foundation based in New York, NY. Its 2025 filing reports grants to charitable organizations for purposes including education and assistance to victims of war.

Marc and Janet Pfeffer Foundation at a glance

In short: Marc and Janet Pfeffer Foundation gave $29K across 11 grants in 2025 (avg $3K), mostly in New York. 18% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$28,640
+27.3% vs 2024
Grants made (2025)
11
+37.5% vs 2024
Average grant
$2,604
-7.4% vs 2024
Median grant
$1,000
Total assets
$343,768
-5.0% vs 2024
New grantees (estimate)
18% first-time grantees (2 of 11, 2025; small sample)
Primary geography
New York (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. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Marc and Janet Pfeffer Foundation

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: 275 Central Park West 12A, New York, NY 10024
Phone: (917) 365-3609

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

Who Marc and Janet Pfeffer Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Mount Sinai Health System: $15KMount Sinai Health System$15KInsight for Education: $5KInsight for Education$5KAJC Global Jewish Advocacy: $3KAJC Global Jewish Advocacy$3KUJA Federation New York: $2KUJA Federation New York$2KFidf- Friends of Israel Defense: $2KFidf- Friends of IsraelDefense$2KPark Avenue Synagogue: $1KPark Avenue Synagogue$1KMemorial Sloan Kettering: $500Memorial Sloan Kettering$500The Heschel School: $500The Heschel School$500Give Well: $500Give Well$500My Jewish Learning: $500My Jewish Learning$500

The largest 2025 recipient was Mount Sinai Health System ($15K). Together the top 10 received $28K.

Grant Size Distribution

47 grants across all recorded years

47<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 47 grants of 47 (100%).

Geographic Focus

Where this funder awards grants

In 2025, 82% of grant dollars went to recipients in New York, 16% to recipients in Florida, and 2% to recipients in California.

Grant Distribution by State

6states

Share of 2025 grant dollars across all 11 itemized grants.

Cities

New YorkBronxvilleGreat NeckKenilworthOaklandPalm Beach GardensWashingtonWatervilleBronxIthacaNew BrunswickRiverdale

Is Marc and Janet Pfeffer Foundation open to new grantees?

18%

first-time grantees, 2025

In 2025, 2 of 11 grantees (18%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $1K; repeat grants $3K. How we count

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

  • 73% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+9%). Method
  • In 2025 it paid out 100% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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$10K$20K$30K5 grants2020 9 grants2021 11 grants2022 8 grants2023 8 grants2024 11 grants2025

From 2020 to 2025, annual grant giving ranged from $22K (2021) to $29K (2025). In 2025 it made 11 grants totaling $29K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Mount Sinai Health System New York, NYFor Educational Purposes$15,000
Insight for Education Palm Beach Gardens, FLFor Educational Purposes$4,640
AJC Global Jewish Advocacy New York, NYFor Educational Purposes$2,500
UJA Federation New York New York, NYFor Educational Purposes$1,500
Fidf- Friends of Israel Defense New York, NYHelp Victims of War$1,500
Park Avenue Synagogue New York, NYFor Educational Purposes$1,000
Memorial Sloan Kettering New York, NYFor Educational Purposes$500
The Heschel School New York, NYFor Educational Purposes$500
Give Well Oakland, CAFor General Purposes$500
My Jewish Learning New York, NYFor Educational Purposes$500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$343,768$17,733$32,628$28,64011$28,640$17,733$28,521
2024$361,932$18,512$26,399$22,5008$22,500$18,512$26,485
2023$366,550$7,843$31,223$27,4008$27,400$14,191$23,727
2022$389,930$22,923$29,919$26,23011$26,230$22,923$24,261
2021$396,926$20,345$25,246$21,7509$21,750$20,345$26,057
2020$401,827$-46,057$30,210$27,5005—$9,747$23,209

Under IRS private-foundation payout rules, Marc and Janet Pfeffer Foundation reported a distributable amount of $29K 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 filing information does not state a foundation mission. Its 2025 grants included support for health care, education, Jewish advocacy and community organizations, and aid to victims of war. Mount Sinai Health System describes its mission as providing compassionate patient care and advancing medicine through education, research, and community outreach. The Crohn’s & Colitis Foundation describes its mission as finding a cure for Crohn’s disease and ulcerative colitis and improving the quality of life of people affected by those diseases.

Grantmaking

In filing year 2025, the foundation reported 11 grants totaling $28,640. Grant amounts ranged from $500 to $15,000, with a median grant of $1,000. Notable grants included $15,000 to Mount Sinai Health System, $4,640 to Insight for Education, $2,500 to AJC Global Jewish Advocacy, and $1,500 each to UJA Federation New York and FIDF–Friends of Israel Defense.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Marc J Pfeffer and Janet C Pfeffer as trustees.

Marc and Janet Pfeffer Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Janet C. Pfeffer

    Trustee

    On filings since 2020

    No compensation reported

  • Marc J. Pfeffer

    Trustee

    On filings since 2020

    No compensation reported

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.

Frequently asked questions about Marc and Janet Pfeffer Foundation

How much does Marc and Janet Pfeffer Foundation give each year?

Marc and Janet Pfeffer Foundation gave $29K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $23K across 8 grants.

What is Marc and Janet Pfeffer Foundation's typical grant size?

Marc and Janet Pfeffer Foundation's median grant in 2025 was $1,000, and its average grant was $2,604, across 11 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Marc and Janet Pfeffer Foundation that year got $1K on average.

Where does Marc and Janet Pfeffer Foundation give grants?

Marc and Janet Pfeffer Foundation gives mostly in New York: 82% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Florida (16%). The most frequent recipient cities were New York, NY (9 grants).

Does Marc and Janet Pfeffer Foundation give general operating support?

Occasionally: 9% of Marc and Janet Pfeffer Foundation's 2025 grants with a stated purpose (1 of 11) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "For Educational Purposes" (9 grants).

Who are Marc and Janet Pfeffer Foundation's largest grantees?

Marc and Janet Pfeffer Foundation's largest 2025 grantees include Mount Sinai Health System ($15,000), Insight for Education ($4,640) and AJC Global Jewish Advocacy ($2,500), according to its 2025 IRS Form 990-PF. Together they received 77% of its itemized 2025 grant dollars.

How large is Marc and Janet Pfeffer Foundation?

Marc and Janet Pfeffer Foundation reported $344K in total assets on its 2025 IRS Form 990-PF. It paid out $29K in qualifying distributions that year, against a required minimum of $29K (roughly 5% of its investment assets).

What does Marc and Janet Pfeffer Foundation fund?

The available filing information does not state a foundation mission. Its 2025 grants included support for health care, education, Jewish advocacy and community organizations, and aid to victims of war. See mission & focus areas ↑

How do I apply for a grant from Marc and Janet Pfeffer Foundation?

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 Marc and Janet Pfeffer Foundation's EIN?

Marc and Janet Pfeffer Foundation's EIN (Employer Identification Number) is 20-3940367. IRS Form 990 filing data is available on this page for 2020–2025.

Does Marc and Janet Pfeffer Foundation 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

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 20, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 16, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS June 12, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 18, 2026)

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

Figures come from Marc and Janet Pfeffer Foundation'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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