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Data / Foundation grants / William J Siegel and Sally R Siegel Foundation LTD

William J Siegel and Sally R Siegel Foundation LTD: 12 grants to organizations, $99,000 (tax year ended December 2025)

William J Siegel and Sally R Siegel Foundation LTD, a private foundation in Rockville, MD, paid 12 grants to organizations totaling $99,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on April 23, 2026. The largest was $15,000 to Smithsonian Institution in Washington, DC for general contribution.

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
521708205
Based in
Rockville, MD
Assets
$2,390,381
Grants paid
$99,000
Tax year ended
December 2025

Grants paid, tax year ended December 2025

From the Form 990-PF filed April 23, 2026, IRS object ID 202631139349101218. It reported $99,000 in grants paid; 12 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
Smithsonian InstitutionWashington, DCGeneral contribution$15,000apps.irs.gov
Fios Feminista (int'l Planned Parenthood Fed Western Hemisphere Region)New York, NYGeneral contribution$10,000apps.irs.gov
Planned Parenthood Federation of America IncNew York, NYGeneral contribution$10,000apps.irs.gov
Simon Wiesenthal Centermuseum of ToleranceLos Angeles, CAGeneral contribution$9,000apps.irs.gov
United States Holocaust Memorial MuseumWashington, DCGeneral contribution$8,500apps.irs.gov
American Technion SocietyNew York, NYStudent support$8,000apps.irs.gov
Anti-Defamation League of B'nai B'rithNew York, NYGeneral contribution$7,500apps.irs.gov
Wamu American UniversityWashington, DCGeneral contribution$7,500apps.irs.gov
Hillel InternationalWashington, DCGeneral contribution$6,500apps.irs.gov
JewbelongNew York, NYGeneral contributionArts, culture and humanities$6,000apps.irs.gov
The Jewish Federation of Greater WashingtonRockville, MDGeneral contributiionPhilanthropy, voluntarism and grantmaking foundations$6,000apps.irs.gov
Mandel JCC of the Palm BeachesPalm Beach Gardens, FLGeneral contribution$5,000apps.irs.gov

Grants paid, tax year ended December 2024

From the Form 990-PF filed March 6, 2025, IRS object ID 202500659349101620. It reported $100,000 in grants paid; 13 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
The Lighthouse Art CenterTequesta, FLGeneral contribution$15,000apps.irs.gov
Smithsonian InstitutionWashington, DCGeneral contribution$12,500apps.irs.gov
Fios Feminista (int'l Planned Parenthood Fed Western Hemisphere Region)New York, NYGeneral contribution$10,000apps.irs.gov
Planned Parenthood Federation of America IncNew York, NYGeneral contribution$10,000apps.irs.gov
United States Holocaust Memorial MuseumWashington, DCGeneral contribution$8,500apps.irs.gov
American Technion SocietyNew York, NYStudent support$8,000apps.irs.gov
Simon Wiesenthal Centermuseum of ToleranceLos Angeles, CAGeneral contribution$8,000apps.irs.gov
Anti-Defamation League of B'nai B'rithNew York, NYGeneral contribution$6,000apps.irs.gov
Mandel JCC of the Palm BeachesPalm Beach Gardens, FLGeneral contribution$5,000apps.irs.gov
Wamu American UniversityWashington, DCGeneral contribution$5,000apps.irs.gov
Hillel InternationalWashington, DCGeneral contribution$4,000apps.irs.gov
JewbelongNew York, NYGeneral contributionArts, culture and humanities$4,000apps.irs.gov
The Jewish Federation of Greater WashingtonRockville, MDGeneral contributiionPhilanthropy, voluntarism and grantmaking foundations$4,000apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
New York$79,500
District of Columbia$67,500
Florida$25,000
California$17,000
Maryland$10,000

Also on SpecStream

Updated April 23, 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.