Muriel F Siebert Foundation Inc

SOUTHAMPTON, NY EIN: 13-6266367

Muriel F Siebert Foundation Inc is a private foundation established in New York in 1968. Based in Southampton, NY, the foundation operates as a 501(c)(3) organization with a focus on philanthropic giving across multiple sectors.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$40.5M

+1.0% YoY

Annual Giving

$1.2M

+32.3% YoY

Grant Count

102

+10.9% YoY

Avg Grant Size

$12K

+19.3% YoY

Under IRS private-foundation payout rules, Muriel F Siebert Foundation Inc reported a distributable amount of $1.9M for 2024 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The foundation's giving priorities include:

  • Arts and culture
  • Health
  • Human services
  • Education
  • Philanthropy, voluntarism, and grantmaking

Grantmaking

The foundation primarily funds organizations in Texas, New York, and Oregon.

Average Grant

amount and median grant amount data available but specific figures not disclosed in sources

Ready to take the next step with Muriel F Siebert Foundation Inc?

Geographic Focus

Where this funder awards grants

Grant Distribution by State

21states
+13 more states

Cities

AlexandriaAmherstAustinBaltimoreBaysideBeavertonBlancoBostonBridgehamptonBrooklynBryanCambridgeChicagoColorado SpringsDallasDel MarDel RioDurhamDyersburgEast Hampton

Financial History

Multi-year comparison from IRS filings

Assets & Revenue (2024):

  • Total assets: $40,529,096
  • Total revenue: $2,298,521
  • Total expenses: $1,915,055
  • Net income: $383,466
  • Total liabilities: $0

Historical Assets: The foundation has maintained substantial assets, with total assets reaching $40.5 million as of the most recent filing.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$7M$14M$21M$28M20202021202220232024
Metric202420232022
Total Assets$40,529,096$40,145,630$39,551,946
Revenue$2,298,521$2,044,922$25,615,744
Expenses$1,915,055$1,452,681$1,079,049
Qualifying Distributions$1,868,481$1,410,463$1,049,424
Net Investment Income$2,291,832$2,033,119$967,248
Distributable Amount$1,932,791$1,886,808$1,233,275

Giving Over Time

Total grant dollars and number of grants per year

$0$303K$606K$910K$1M108 grants202081 grants202173 grants202292 grants2023102 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

LEWIS & CLARK COLLEGE$100KGIRL SCOUTS OF SOUTHWEST…$60KAFTER SCHOOL ALL STARS$50KELEANOR ROOSEVELT VAL KI…$40KCLASSIC THEATRE OF SAN A…$30KADL SOUTHWEST$25KALAMO COLLEGES FOUNDATION$25KARBORETUM SAN ANTONIO$25KARTS IN PLAY$25KCOPS METRO FOUNDATION$25K

Grant Size Distribution

250 grants across all recorded years

242<$50K6$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Lewis & Clark College ($100,000), Girl Scouts of Southwest Texas ($60,000), After School All Stars ($50,000).

RecipientPurposeAmount
ACCION INTERNATIONAL WASHINGTON, DCGENERAL SUPPORT$7,500
ADL SOUTHWEST DALLAS, TXGENERAL SUPPORT$25,000
ADVANCE GENDER EQUITY IN THE ARTS PORTLAND, ORGENERAL SUPPORT$5,000
AFTER SCHOOL ALL STARS LOS ANGELES, CAGENERAL SUPPORT$50,000
ALAMO COLLEGES FOUNDATION SAN ANTONIO, TXGENERAL SUPPORT$25,000
AMERICAN FRIENDS OF THE LOUVRE NEW YORK, NYGENERAL SUPPORT$3,000
AMERICAN FRIENDS OF THE LUDWIG FOUNDATION OF CUBA NEW YORK, NYGENERAL SUPPORT$3,000
ARBORETUM SAN ANTONIO SAN ANTONIO, TXGENERAL SUPPORT$25,000
ARTS IN PLAY PORTLAND, MEGENERAL SUPPORT$25,000
BRACKENRIDGE PARK CONSERVANCY SAN ANTONIO, TXGENERAL SUPPORT$10,000

Leadership & Key People

Leadership team and compensation from IRS filings

Key personnel identified in foundation records include:

  • Muriel F Siebert (President)
  • Jane H Macon (Vice President/Treasurer)
  • June Jaffee (Secretary)
  • Patricia L Francy (President)

Compensation Overview

From 2024 IRS filing

JANE H MACONVICE PRESIDENT/TREASURER$81KJUNE JAFFEESECRETARY$81KPATRICIA L FRANCYPRESIDENT$81K

From 2024 filing

NameTitleHoursCompensation
JANE H MACONVICE PRESIDENT/TREASURER10$81,114
JUNE JAFFEESECRETARY10$81,114
PATRICIA L FRANCYPRESIDENT10$81,114

Contact Information

Frequently Asked Questions

What does Muriel F Siebert Foundation Inc fund?

The foundation's giving priorities include: • Arts and culture • Health • Human services • Education • Philanthropy, voluntarism, and grantmaking

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

**Grant Activity:** • Total giving: $1,212,695 (most recent filing) • Typical award range: $516–$115,000 • Average grant amount and median grant amount data available but specific figures not disclosed in sources **Geographic Focus:** The foundation primarily funds organizations in Texas, New York, and Oregon.

What size grants does Muriel F Siebert Foundation Inc award?

In 2024, Muriel F Siebert Foundation Inc awarded 102 grants totaling $1.2M — an average of about $12K per grant, based on its IRS Form 990 filings.

How much is Muriel F Siebert Foundation Inc required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Muriel F Siebert Foundation Inc reported a distributable amount of $1.9M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

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 2020–2024.

Explore Open Grants

Browse active grant opportunities in Muriel F Siebert Foundation Inc's focus areas in our free grants database

Related Funders

Similar funders by location and focus area

Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

What could you do with Muriel F Siebert Foundation Inc on Grantable?

  • Assess strategic fit with your organization
  • Draft a tailored letter of inquiry
  • Find open RFPs from this funder
  • Monitor for new funding opportunities

Go from researching Muriel F Siebert Foundation Inc to a real strategy.

Plan your approach