Muriel F Siebert Foundation Inc

Private foundation · Grantmaker Southampton, NY EIN: 13-6266367

Muriel F Siebert Foundation Inc is a private foundation based in Southampton, New York. Its 2025 filing reports 126 grants totaling $2,251,900 to organizations including a college, a women’s leadership organization, educational and youth-serving nonprofits, and health-related institutions.

Muriel F Siebert Foundation Inc at a glance

In short: Muriel F Siebert Foundation Inc gave $2.3M across 126 grants in 2025 (avg $18K), top state Texas. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$2,251,900
+85.7% vs 2024
Grants made (2025)
126
+23.5% vs 2024
Average grant
$17,872
+50.3% vs 2024
Median grant
$10,000
Total assets
$39,514,643
-2.5% vs 2024
Primary geography
Texas (37% 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 Muriel F Siebert Foundation Inc

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 155 Hill Street Unit 7, Southampton, NY 11968-5320

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

Who Muriel F Siebert Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Trustees of Columbia University: $195K across 4 grantsTrustees of ColumbiaUniversity$195K · 4 grantsLewis Clark College: $165KLewis Clark College$165KWomen's Forum of New York Inc: $150KWomen's Forum of New York Inc$150KTexas AM San Antonio Foundation: $70KTexas AM San AntonioFoundation$70KArts In Play: $55KArts In Play$55KAfter-School All-Stars: $50KAfter-School All-Stars$50KNew York-Presbyterian Fund Inc: $50KNew York-Presbyterian Fund Inc$50KChampions Scholarship Fund: $48KChampions Scholarship Fund$48KHarper's Chapel Ministries: $45KHarper's Chapel Ministries$45KJeremy Reyes: $41KJeremy Reyes$41K

The largest 2025 recipient was Trustees of Columbia University ($195K across 4 grants). Together the top 10 received $869K.

Grant Size Distribution

474 grants across all recorded years

456<$50K11$50–100K7$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 456 grants of 474 (96%).

Geographic Focus

Where this funder awards grants

In 2025, the largest shares of grant dollars went to recipients in Texas (37%) and New York (36%), followed by Oregon (8%), California (4%), and Illinois (3%).

Grant Distribution by State

23states

Share of 2025 grant dollars across all 126 itemized grants.

Cities

San AntonioNew YorkPortlandSouthamptonWashingtonAustinLos AngelesEast HamptonSan FranciscoHampton BaysBridgehamptonBostonHyde ParkLong Island CityWater MillBlancoColorado SpringsDallasEl PasoPhiladelphia

How Muriel F Siebert Foundation Inc gives

  • 39% of 2025 grantees were also funded in 2024. Method
  • Giving grew 214% from 2022 to 2025. Method
  • In 2025 it paid out 138% 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$1M$2M$3M1 grant2019 108 grants2020 81 grants2021 73 grants2022 92 grants2023 102 grants2024 126 grants2025

From 2019 to 2025, annual grant giving ranged from $615K (2019) to $2.3M (2025). In 2025 it made 126 grants totaling $2.3M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Lewis Clark College Portland, ORGeneral Support$165,000
Trustees of Columbia University New York, NYDepartment of Cardiology$150,000
Women's Forum of New York Inc New York, NYGeneral Support$150,000
Texas AM San Antonio Foundation San Antonio, TXGeneral Support$70,000
Arts In Play Portland, MEGeneral Support$55,000
After-School All-Stars Los Angeles, CAGeneral Support$50,000
New York-Presbyterian Fund Inc New York, NYDepartment of Cardiology$50,000
Champions Scholarship Fund Malta, ILGeneral Support$47,500
Harper's Chapel Ministries San Antonio, TXGeneral Support$45,000
Jeremy Reyes San Antonio, TXGeneral Support$41,300
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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$39,514,643$2,006,867$3,021,320$2,251,900126$2,979,041$2,091,290$2,164,382
2024$40,529,096$2,298,521$1,915,055$1,212,695102$1,868,481$2,291,832$1,932,791
2023$40,145,630$2,044,922$1,452,681$916,56092$1,410,463$2,033,119$1,886,808
2022$39,551,946$25,615,744$1,079,049$717,38173$1,049,424$967,248$1,233,275
2021$15,013,435$1,228,974$847,441$656,37581$834,562$1,225,677$820,694
2020$12,926,737$691,147$836,968$680,098108—$686,637$703,050
2019$13,072,558$709,348$775,847$615,1671—$724,449$732,383

Under IRS private-foundation payout rules, Muriel F Siebert Foundation Inc reported a distributable amount of $2.2M 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 show support for organizations working in varied areas. For example, Lewis & Clark College describes its work as providing higher education in an inclusive environment and fostering critical thinking, creativity, civic engagement, and leadership. After-School All-Stars says it provides academic, mentoring, career-readiness, recreation, and other enrichment programs for underserved and vulnerable youth and families. Texas A&M San Antonio Foundation says it provides financial support for university students, while New York-Presbyterian Fund describes its purpose as administering funds for charitable, educational, and scientific purposes connected to New York and Presbyterian Hospital and other approved health-care organizations.

Grantmaking

In filing year 2025, the foundation made 126 grants totaling $2,251,900. Awards ranged from $1,500 to $165,000, with a median grant of $10,000. Among the largest grants were $165,000 to Lewis & Clark College for general support; $150,000 to Trustees of Columbia University for its Department of Cardiology; $150,000 to Women’s Forum of New York Inc for general support; $70,000 to Texas A&M San Antonio Foundation for general support; and $55,000 to Arts In Play for general support. Other notable grants included $50,000 each to After-School All-Stars and New York-Presbyterian Fund Inc.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Patricia L Francy as President, Jane H Macon as VP Treasurer, and June Jaffee as Secretary.

Muriel F Siebert Foundation Inc is led by Patricia L Francy, President on every filing since 2019; all 3 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Patricia L Francy

    President

    On filings since 2019

    10 hrs/week

    $27K (2019) → $87K (2025)

  • Jane H Macon

    Vice President Treasurer

    Vice President & Treasurer → Vice President Treasurer, 2025

    On filings since 2019

    10 hrs/week

    $27K (2019) → $87K (2025)

  • June Jaffee

    Secretary

    On filings since 2019

    10 hrs/week

    $27K (2019) → $87K (2025)

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

Patricia L Francy — President: $87KPatricia L FrancyPresident$87KJane H Macon — VP Treasurer: $87KJane H MaconVP Treasurer$87KJune Jaffee — Secretary: $87KJune JaffeeSecretary$87K

The highest reported compensation on the 2025 filing was $87K, to Patricia L Francy (President). 3 officers or directors reported compensation on that filing.

Frequently asked questions about Muriel F Siebert Foundation Inc

How much does Muriel F Siebert Foundation Inc give each year?

Muriel F Siebert Foundation Inc gave $2.3M across 126 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.2M across 102 grants.

What is Muriel F Siebert Foundation Inc's typical grant size?

Muriel F Siebert Foundation Inc's median grant in 2025 was $10,000, and its average grant was $17,872, across 126 grants on its 2025 IRS Form 990-PF.

Where does Muriel F Siebert Foundation Inc give grants?

Muriel F Siebert Foundation Inc's top state is Texas, with 37% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (36%) and Oregon (8%). The most frequent recipient cities were San Antonio, TX (51 grants), New York, NY (19 grants), Southampton, NY (7 grants) and Portland, OR (5 grants).

Does Muriel F Siebert Foundation Inc give general operating support?

Yes: 92% of Muriel F Siebert Foundation Inc's 2025 grants with a stated purpose (116 of 126) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Muriel F Siebert Foundation Inc's largest grantees?

Muriel F Siebert Foundation Inc's largest 2025 grantees include Trustees of Columbia University ($195,000 across 4 grants), Lewis Clark College ($165,000) and Women's Forum of New York Inc ($150,000), according to its 2025 IRS Form 990-PF. Together they received 23% of its itemized 2025 grant dollars.

How large is Muriel F Siebert Foundation Inc?

Muriel F Siebert Foundation Inc reported $39.5M in total assets on its 2025 IRS Form 990-PF. It paid out $3.0M in qualifying distributions that year, against a required minimum of $2.2M (roughly 5% of its investment assets).

What does Muriel F Siebert Foundation Inc fund?

No mission statement for the foundation is provided. Its 2025 grants show support for organizations working in varied areas. See mission & focus areas ↑

How do I apply for a grant from Muriel F Siebert Foundation Inc?

The foundation 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 Muriel F Siebert Foundation Inc's EIN?

Muriel F Siebert Foundation Inc's EIN (Employer Identification Number) is 13-6266367. IRS Form 990 filing data is available on this page for 2019–2025.

Does Muriel F Siebert Foundation 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 September 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 17, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Muriel F Siebert Foundation Inc funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/muriel-f-siebert-foundation-inc-morg_d7389c60a8874de29a14e62ae53679be

BibTeX
@misc{grantable_136266367_2026,
  author       = {{Grantable}},
  title        = {{Muriel F Siebert Foundation Inc funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/muriel-f-siebert-foundation-inc-morg_d7389c60a8874de29a14e62ae53679be},
  note         = {Accessed 2026-10-16. 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 Muriel F Siebert Foundation 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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