Data / Foundation grants / Muriel F Siebert Foundation Inc
Muriel F Siebert Foundation Inc: 102 grants to organizations, $1.2 million (tax year ended December 2024)
Muriel F Siebert Foundation Inc, a private foundation in Southampton, NY, paid 102 grants to organizations totaling $1,212,695 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on June 12, 2025. The largest was $112,000 to Trustees of Columbia University in New York, NY for general support and scholarship funds.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 136266367
- Based in
- Southampton, NY
- Assets
- $43,536,321
- Grants paid
- $1,212,695
- Tax year ended
- December 2024
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 12, 2026, IRS object ID 202641329349100539. It reported $2,251,900 in grants paid; 0 grants to organizations are listed, and 126 grants to individuals are left out. This return lists no grants in its filed data.
Grants paid, tax year ended December 2024
From the Form 990-PF filed June 12, 2025, IRS object ID 202541639349100024. It reported $1,212,695 in grants paid; 102 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Trustees of Columbia University | New York, NY | General support and scholarship funds | Education | $112,000 | apps.irs.gov |
| Lewis & Clark College | Portland, OR | General support | Education | $100,000 | apps.irs.gov |
| Girl Scouts of Southwest Texas | San Antonio, TX | General support | $60,000 | apps.irs.gov | |
| After School All Stars | Los Angeles, CA | General support | $50,000 | apps.irs.gov | |
| Eleanor Roosevelt Val Kill Partnership | Hyde Park, NY | General support | Arts, culture and humanities | $40,000 | apps.irs.gov |
| Classic Theatre of San Antonio | San Antonio, TX | General support | Arts, culture and humanities | $30,000 | apps.irs.gov |
| Adl Southwest | Dallas, TX | General support | $25,000 | apps.irs.gov | |
| Alamo Colleges Foundation | San Antonio, TX | General support | Education | $25,000 | apps.irs.gov |
| Arboretum San Antonio | San Antonio, TX | General support | Environment | $25,000 | apps.irs.gov |
| Arts in Play | Portland, ME | General support | $25,000 | apps.irs.gov | |
| Cops Metro Foundation | San Antonio, TX | General support | $25,000 | apps.irs.gov | |
| King High Historical Foundation | Houston, TX | General support | $25,000 | apps.irs.gov | |
| Nycoutward Bound Center Inc | Long Island City, NY | General support | $25,000 | apps.irs.gov | |
| San Antonio Area Foundation | San Antonio, TX | General support | $25,000 | apps.irs.gov | |
| Hope for the Future | West New York, NJ | General support | $23,500 | apps.irs.gov | |
| Briscoe Western Art Museum | San Antonio, TX | General support | $20,000 | apps.irs.gov | |
| International Women's Forum | Washington, DC | General support | $20,000 | apps.irs.gov | |
| University Health Foundation | San Antonio, TX | General support | $20,000 | apps.irs.gov | |
| Hampton Bays Beautification Association | Hampton Bays, NY | General support | Community improvement and capacity building | $15,000 | apps.irs.gov |
| San Antonio Bar Foundation | San Antonio, TX | General support | Crime and legal-related | $15,000 | apps.irs.gov |
| Schwarzman Animal Medical Center | New York, NY | Flaherty rehab | $15,000 | apps.irs.gov | |
| Champions Scholarship Fund | Malta, IL | General support | $14,500 | apps.irs.gov | |
| Cultural Agents | Cambridge, MA | General support | $12,500 | apps.irs.gov | |
| Hampton Classic Horse Show | Bridgehampton, NY | General support | Philanthropy, voluntarism and grantmaking foundations | $12,500 | apps.irs.gov |
| The Champions Scholarship Foundation | San Antonio, TX | General support | Philanthropy, voluntarism and grantmaking foundations | $11,195 | apps.irs.gov |
| Brackenridge Park Conservancy | San Antonio, TX | General support | Recreation and sports | $10,000 | apps.irs.gov |
| Camp Tawonga | San Francisco, CA | General support | $10,000 | apps.irs.gov | |
| Duke of Edinburghs International Award USA | Chicago, IL | General support | $10,000 | apps.irs.gov | |
| Greater San Antonio After School All Stars | San Antonio, TX | General support | $10,000 | apps.irs.gov | |
| Harper's Chapel Ministries | San Antonio, TX | General support | $10,000 | apps.irs.gov | |
| Hidalgo Foundation of Bexar County | San Antonio, TX | General support | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Madonna Center | San Antonio, TX | General support | Human services | $10,000 | apps.irs.gov |
| Medal of Honor Foundation | Mount Pleasant, SC | General support | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Mission San Jose | Fremont, CA | General support | $10,000 | apps.irs.gov | |
| Monmouth University | West Long Branch, NJ | General support | Education | $10,000 | apps.irs.gov |
| Musical Bridges Around the World | San Antonio, TX | General support | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Rey Feo Scholarship Foundation | San Antonio, TX | General support | Education | $10,000 | apps.irs.gov |
| Sa Growth On the Eastside - Sage | San Antonio, TX | General support | $10,000 | apps.irs.gov | |
| San Antonio Little Theater Lncsan Pedr | San Antonio, TX | General support | $10,000 | apps.irs.gov | |
| San Antonio Museum of Art | San Antonio, TX | General support | Arts, culture and humanities | $10,000 | apps.irs.gov |
| San Antonio Women's Chamber of Commerce Foundation | San Antonio, TX | Cockrell scholarship fund | $10,000 | apps.irs.gov | |
| San Antonio Zoological Society | San Antonio, TX | General support | Animal-related | $10,000 | apps.irs.gov |
| She's the First | New York, NY | General support | $10,000 | apps.irs.gov | |
| Special Reach Inc | San Antonio, TX | General support | Human services | $10,000 | apps.irs.gov |
| Students of Service - Sos San Antonio | San Antonio, TX | General support | $10,000 | apps.irs.gov | |
| The Van Courtlandt Foundation | San Antonio, TX | General support | Human services | $10,000 | apps.irs.gov |
| Tobin Center | San Antonio, TX | General support | $10,000 | apps.irs.gov | |
| World Affairs Council of San Antonio | San Antonio, TX | General support | International, foreign affairs and national security | $10,000 | apps.irs.gov |
| World Central Kitchen | Washington, DC | General support | International, foreign affairs and national security | $10,000 | apps.irs.gov |
| San Antonio-Mexico Friendship Council | San Antonio, TX | General support | Arts, culture and humanities | $8,500 | apps.irs.gov |
| Accion International | Washington, DC | General support | International, foreign affairs and national security | $7,500 | apps.irs.gov |
| Southampton Village Volunteer Ambulance | Southampton, NY | General support | $6,000 | apps.irs.gov | |
| Advance Gender Equity in the Arts | Portland, OR | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Children's Tumor Foundation | New York, NY | General support | $5,000 | apps.irs.gov | |
| Del Rio Association of Federal Attys | Del Rio, TX | General support | $5,000 | apps.irs.gov | |
| El Education | New York, NY | General support | Education | $5,000 | apps.irs.gov |
| Family Violence Prevention Services Inc | San Antonio, TX | General support | Human services | $5,000 | apps.irs.gov |
| Hunter College Foundation | New York, NY | General support | Education | $5,000 | apps.irs.gov |
| Irish Repertory Theatre | New York, NY | General support | $5,000 | apps.irs.gov | |
| Ja Worldwide | Boston, MA | General support | Education | $5,000 | apps.irs.gov |
| Landa Gardens Conservancy | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| Lift Fund Inc | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| Lincoln Center for the Performing Arts | Manhattan, NY | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Longhouse Reserve | East Hampton, NY | General support | Education | $5,000 | apps.irs.gov |
| Metropolitan Museum of Art | New York, NY | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Mind Science Foundation | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| Museum of Modern Art - Ny | New York, NY | General support | $5,000 | apps.irs.gov | |
| Puppies Behind Bars | New York, NY | General support | Human services | $5,000 | apps.irs.gov |
| Roger's Memorial Library | Southampton, NY | General support | $5,000 | apps.irs.gov | |
| San Antonio Botanical Garden | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| San Antonio Youth Literacy | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| Solomon R Guggenheim Foundation | New York, NY | General support | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Texas A&M San Antonio Foundation | San Antonio, TX | General support | Education | $5,000 | apps.irs.gov |
| Uncf San Antonio | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| University of Texas San Antonio | San Antonio, TX | General support | $5,000 | apps.irs.gov | |
| Western Rivers Conservancy | Portland, OR | General support | Environment | $5,000 | apps.irs.gov |
| Women's Forum Education Fund | New York, NY | General support | $5,000 | apps.irs.gov | |
| World Neighbors Inc | Oklahoma City, OK | General support | International, foreign affairs and national security | $5,000 | apps.irs.gov |
| American Friends of the Louvre | New York, NY | General support | Arts, culture and humanities | $3,000 | apps.irs.gov |
| American Friends of the Ludwig Foundation of Cuba | New York, NY | General support | Arts, culture and humanities | $3,000 | apps.irs.gov |
| Feral Cat Coalition of Oregon | Portland, OR | General support | Animal-related | $3,000 | apps.irs.gov |
| Poodle Rescue Connecticut | Naugatuck, CT | General support | Animal-related | $3,000 | apps.irs.gov |
| San Antonio Parks Foundation | San Antonio, TX | General support | $3,000 | apps.irs.gov | |
| Social & Health Research Center | San Antonio, TX | General support | Medical research | $3,000 | apps.irs.gov |
| Planned Parenthood of South Texas | San Antonio, TX | General support | Health care | $2,500 | apps.irs.gov |
| San Antonio Womens Hall of Fame | San Antonio, TX | General support | Human services | $2,500 | apps.irs.gov |
| Southampton Arts Center | Southampton, NY | General support | $2,500 | apps.irs.gov | |
| Teamability | San Antonio, TX | General support | Education | $2,500 | apps.irs.gov |
| Dynamite Youth Center Foundation | Brooklyn, NY | General support | $2,000 | apps.irs.gov | |
| Lotos Foundation | Bayside, NY | General support | $2,000 | apps.irs.gov | |
| Mabel Mercer Foundation | New York, NY | General support | $2,000 | apps.irs.gov | |
| New York Landmarks Conservancy | New York, NY | General support | $2,000 | apps.irs.gov | |
| Room To Read | San Francisco, CA | General support | Education | $2,000 | apps.irs.gov |
| San Fernando Cathedral | San Antonio, TX | National catholic youth conference | $2,000 | apps.irs.gov | |
| Maestro Entrepreneur Center | San Antonio, TX | General support | $1,500 | apps.irs.gov | |
| San Antonio Rosas Amarillas | Sequin, TX | General support | Youth development | $1,500 | apps.irs.gov |
| Old Blanco County Courthouse Foundation | Blanco, TX | General support | $1,300 | apps.irs.gov | |
| YMCA of San Antonio | San Antonio, TX | General support | $1,200 | apps.irs.gov | |
| Diabetes Empowerment International | New York, NY | General support | $1,000 | apps.irs.gov | |
| Hereditary Disease Foundation | New York, NY | General support | $1,000 | apps.irs.gov | |
| Npower | Brooklyn, NY | General support | Community improvement and capacity building | $1,000 | apps.irs.gov |
| San Antonio Philharmonic | San Antonio, TX | General support | Arts, culture and humanities | $1,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $286,500 |
| Arts, culture and humanities | $145,500 |
| Human services | $42,500 |
| International, foreign affairs and national security | $32,500 |
| Environment | $30,000 |
| Philanthropy, voluntarism and grantmaking foundations | $23,695 |
| Community improvement and capacity building | $16,000 |
| Animal-related | $16,000 |
States funded
| Recipient state | Granted |
|---|---|
| Texas | $556,695 |
| New York | $315,000 |
| Oregon | $113,000 |
| California | $72,000 |
| District of Columbia | $37,500 |
| New Jersey | $33,500 |
| Maine | $25,000 |
| Illinois | $24,500 |
Also on SpecStream
- Who funds education in New York
- Who funds education in Oregon
- Who funds arts, culture and humanities in Texas
- Who funds arts, culture and humanities in New York
- Who funds education in Texas
- Who funds human services in Texas
Updated May 12, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.