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Data / Foundation grants / Diefenderfer Rosalind Tuw

Diefenderfer Rosalind Tuw: 1 grant to organizations, $424,998 (tax year ended March 2026)

Diefenderfer Rosalind Tuw, a private foundation in Pittsburgh, PA, paid 1 grant to organizations totaling $424,998 in its tax year ended March 2026, according to its Form 990-PF filed with the IRS on August 5, 2026. The largest was $424,998 to Joan and Sanford I Weill Medical College in New York, NY for general operating.

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
226519004
Based in
Pittsburgh, PA
Assets
$3,396,122
Grants paid
$424,998
Tax year ended
March 2026

Grants paid, tax year ended March 2026

From the Form 990-PF filed August 5, 2026, IRS object ID 202622179349100512. It reported $424,998 in grants paid; 1 grant to organizations is listed.

RecipientLocationPurposeCauseAmountSource
Joan and Sanford I Weill Medical CollegeNew York, NYGeneral operating$424,998apps.irs.gov

Grants paid, tax year ended March 2025

From the Form 990-PF filed January 30, 2026, IRS object ID 202620309349100407. It reported $74,769 in grants paid; 1 grant to organizations is listed.

RecipientLocationPurposeCauseAmountSource
Joan and Sanford I Weill Medical CollegeNew York, NYGeneral operating$74,769apps.irs.gov

Grants paid, tax year ended March 2024

From the Form 990-PF filed January 30, 2026, IRS object ID 202630309349100108. It reported $66,999 in grants paid; 1 grant to organizations is listed.

RecipientLocationPurposeCauseAmountSource
Joan and Sanford I Weill Medical CollegeNew York, NYGeneral operating$66,999apps.irs.gov

States funded

Recipient stateGranted
New York$566,766

Updated August 5, 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.