Funding search · EIN 136266367 · Southampton, NY
Muriel F Siebert Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 393
- grants reported
- $5.1M
- total given
- 2022–2025
- filing years
- $10,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
scholarshipcardiologycockrellcatholicconferencedeandepartmentfellowship
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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3 grants matching “cockrell” · $35,000
- $10,000
San Antonio Women'S Chamber of Commerce Foundation · San Antonio, TX · 2024
Cockrell scholarship fund
- $20,000
San Antonio Women'S Chamber of Commerce Foundation · San Antonio, TX · 2023
Cockrell scholarship fund
- $5,000
San Antonio Women'S Chamber of Commerce Foundation · San Antonio, TX · 2022
Cockrell scholarship fund
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Lewis & Clark College3 grants · $225,000
- Trustees of Columbia University4 grants · $195,000
- Trustees of Columbia University3 grants · $173,000
- Lewis Clark College1 grant · $165,000
- Women'S Forum of New York1 grant · $150,000
- University Health Foundation3 grants · $150,000
- New York Presbyterian Hospital2 grants · $85,000
- Classic Theatre of San Antonio3 grants · $80,000
- Girl Scouts of Southwest Texas3 grants · $80,000
- Texas Am San Antonio Foundation1 grant · $70,000
Giving over time
Grant history
The 100 largest of 393 grants.
- $165,000
Lewis Clark College · Portland, OR · 2025
General Support
- $150,000
Trustees of Columbia University · New York, NY · 2025
Department of Cardiology
- $150,000
Women'S Forum of New York · New York, NY · 2025
General Support
- $115,000
University Health Foundation · San Antonio, TX · 2023
General support
- $112,000
Trustees of Columbia University · New York, NY · 2024
General support and scholarship funds
- $100,000
Lewis & Clark College · Portland, OR · 2024
General support
- $75,000
Lewis & Clark College · Portland, OR · 2023
General support
- $75,000
New York Presbyterian Hospital · New York, NY · 2023
Cardiology fellowship
- $70,000
Texas Am San Antonio Foundation · San Antonio, TX · 2025
General Support
- $60,000
Girl Scouts of Southwest Texas · San Antonio, TX · 2024
General support
- $55,000
Arts in Play · Portland, ME · 2025
General Support
- $55,000
Trustees of Columbia University · New York, NY · 2022
General support and scholarship funds
- $50,000
After-School All-Stars · Los Angeles, CA · 2025
General Support
- $50,000
New York-Presbyterian Fund · New York, NY · 2025
Department of Cardiology
- $50,000
After School All Stars · Los Angeles, CA · 2024
General support
- $50,000
Lewis & Clark College · Portland, OR · 2022
General support
- $47,500
Champions Scholarship Fund · Malta, IL · 2025
General Support
- $45,000
Harper'S Chapel Ministries · San Antonio, TX · 2025
General Support
- $42,500
Classic Theatre of San Antonio · San Antonio, TX · 2022
General support
- $41,300
Jeremy Reyes · San Antonio, TX · 2025
General Support
- $40,000
Eleanor Roosevelt Val-Kill P'Ship · Hyde Park, NY · 2025
General Support
- $40,000
San Antonio Little Theater · San Antonio, TX · 2025
San Pedro Playhouse
- $40,000
Eleanor Roosevelt Val Kill Partnership · Hyde Park, NY · 2024
General support
- $37,500
Arboretum San Antonio · San Antonio, TX · 2025
General Support
- $37,500
Briscoe Western Art Museum · San Antonio, TX · 2025
General Support
- $35,000
University of New Hampshire Fdn · Durham, NH · 2025
General Support
- $32,600
Old Spanish Trail Cultural Corridor · San Antonio, TX · 2025
General Support
- $30,000
She'S the First · New York, NY · 2025
General Support
- $30,000
Classic Theatre of San Antonio · San Antonio, TX · 2024
General support
- $26,000
Nys Outward Bound Schools · Long Island City, NY · 2022
General support
- $25,000
Alamo Colleges Foundation · San Antonio, TX · 2025
General Support
- $25,000
Anti Defamation League · New York, NY · 2025
General Support
- $25,000
Ballet San Antonio · San Antonio, TX · 2025
General Support
- $25,000
Bexar County Family Justice Ctr Fdn · San Antonio, TX · 2025
General Support
- $25,000
Cops Metro Foundation · San Antonio, TX · 2025
General Support
- $25,000
Musical Bridges Around the World · San Antonio, TX · 2025
General Support
- $25,000
Nyc Outward Bound Center · Long Island City, NY · 2025
General Support
- $25,000
Riverside Church in the City of Ny · New York, NY · 2025
General Support
- $25,000
Schwarzman Animal Medical Center · New York, NY · 2025
General Support
- $25,000
Soldiers To Sidelines · Lewes, DE · 2025
General Support
- $25,000
Special Reach · San Antonio, TX · 2025
General Support
- $25,000
Trustees of Columbia University · New York, NY · 2025
Colins Wagner Scholarship Fund
- $25,000
Adl Southwest · Dallas, TX · 2024
General support
- $25,000
Alamo Colleges Foundation · San Antonio, TX · 2024
General support
- $25,000
Arboretum San Antonio · San Antonio, TX · 2024
General support
- $25,000
Arts in Play · Portland, ME · 2024
General support
- $25,000
Cops Metro Foundation · San Antonio, TX · 2024
General support
- $25,000
King High Historical Foundation · Houston, TX · 2024
General support
- $25,000
Nycoutward Bound Center · Long Island City, NY · 2024
General support
- $25,000
San Antonio Area Foundation · San Antonio, TX · 2024
General support
- $25,000
Adl Southwest · Dallas, TX · 2023
General support
- $25,000
Alamo Colleges Foundation · San Antonio, TX · 2023
General support
- $25,000
Ja Worldwide · Boston, MA · 2023
General support
- $25,000
Nys Outward Bound Schools · Long Island City, NY · 2023
General support
- $25,000
Greater San Antonio After School All Stars · San Antonio, TX · 2022
General support
- $24,150
Briscoe Western Art Museum · San Antonio, TX · 2023
General support
- $23,500
Hope for the Future · West New York, NJ · 2024
General support
- $22,500
Classic Theatre of San Antonio · San Antonio, TX · 2025
General Support
- $20,400
Briscoe Western Art Museum · San Antonio, TX · 2022
General support
- $20,000
Accion International · Washington, DC · 2025
General Support
- $20,000
All Star Orchestra Summit · Larchmont, NY · 2025
General Support
- $20,000
Forebatten Foundation · Chapel Hill, NC · 2025
General Support
- $20,000
Ja Worldwide · Boston, MA · 2025
General Support
- $20,000
Roger'S Memorial Library Foundation · Southampton, NY · 2025
General Support
- $20,000
The Leadership Foundation · Washington, DC · 2025
International Womens Forum
- $20,000
Briscoe Western Art Museum · San Antonio, TX · 2024
General support
- $20,000
International Women'S Forum · Washington, DC · 2024
General support
- $20,000
University Health Foundation · San Antonio, TX · 2024
General support
- $20,000
Arboretum San Antonio · San Antonio, TX · 2023
General support
- $20,000
Greater San Antonio After School All Stars · San Antonio, TX · 2023
General support
- $20,000
San Antonio Bar Foundation · San Antonio, TX · 2023
General support
- $20,000
San Antonio Women'S Chamber of Commerce Foundation · San Antonio, TX · 2023
Cockrell scholarship fund
- $20,000
Duke of Edinburghs International Award USA · Chicago, IL · 2022
General support
- $20,000
Ja Worldwide · Boston, MA · 2022
General support
- $20,000
San Antonio Zoological Society · San Antonio, TX · 2022
General support
- $20,000
Women'S Forum Education Fund · New York, NY · 2022
General support
- $17,500
Hampton Classic Horse Show · Bridgehampton, NY · 2025
General Support
- $16,000
American Sunrise · San Antonio, TX · 2023
General support
- $15,000
Hampton Bays Beautification Assn · Hampton Bays, NY · 2025
General Support
- $15,000
Network for Young Artists · San Antonio, TX · 2025
General Support
- $15,000
Ransomed Life · San Antonio, TX · 2025
General Support
- $15,000
State of Texas Kidney Foundation · San Antonio, TX · 2025
General Support
- $15,000
The Economic Club of New York · New York, NY · 2025
General Support
- $15,000
Hampton Bays Beautification Association · Hampton Bays, NY · 2024
General support
- $15,000
San Antonio Bar Foundation · San Antonio, TX · 2024
General support
- $15,000
Schwarzman Animal Medical Center · New York, NY · 2024
Flaherty rehab
- $15,000
Animal Medical Center - Ny · New York, NY · 2023
General support
- $15,000
Brackenridge Park Conservancy · San Antonio, TX · 2023
General support
- $15,000
Economic Club of Ny · New York, NY · 2023
General support
- $15,000
Musical Bridges Around the World · San Antonio, TX · 2023
General support
- $15,000
San Antonio Zoological Society · San Antonio, TX · 2023
General support
- $15,000
Alamo Colleges Foundation · San Antonio, TX · 2022
General support
- $15,000
Outward Bound USA · New York, NY · 2022
General support
- $15,000
UCLA · Los Angeles, CA · 2022
General support
- $15,000
University Health Foundation · San Antonio, TX · 2022
General support
- $14,500
Champions Scholarship Fund · Malta, IL · 2024
General support
- $12,500
Cultural Agents · Cambridge, MA · 2024
General support
- $12,500
Hampton Classic Horse Show · Bridgehampton, NY · 2024
General support
- $12,500
Hampton Classic Horse Show · Bridgehampton, NY · 2023
General support
- $12,500
San Antonio Area Foundation · San Antonio, TX · 2022
General support
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

