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Data / Foundation grants / William Townsend Porter Foundation

William Townsend Porter Foundation: 4 grants to organizations, $177,626 (tax year ended March 2026)

William Townsend Porter Foundation, a private foundation in Boston, MA, paid 4 grants to organizations totaling $177,626 in its tax year ended March 2026, according to its Form 990-PF filed with the IRS on August 11, 2026. The largest was $141,500 to American Physiological Society in Bethesda, MD for support.

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
042104293
Based in
Boston, MA
Assets
$4,360,520
Grants paid
$177,626
Tax year ended
March 2026

Grants paid, tax year ended March 2026

From the Form 990-PF filed August 11, 2026, IRS object ID 202632239349100118. It reported $177,626 in grants paid; 4 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
American Physiological SocietyBethesda, MDSupport$141,500apps.irs.gov
Marine Biological LaboratoryWoods Hole, MASupportScience and technology$17,000apps.irs.gov
University of Louisville Research FoundationLouisville, KYSupportEducation$10,000apps.irs.gov
The Board of Trustees of the Leland Stanford Junior UniversityRedwood City, CASupportEducation$9,126apps.irs.gov

Grants paid, tax year ended March 2025

From the Form 990-PF filed August 11, 2025, IRS object ID 202502239349100725. It reported $197,367 in grants paid; 6 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
American Physiological SocietyBethesda, MDSupport$141,500apps.irs.gov
Marine Biological LaboratoryWoods Hole, MASupportScience and technology$17,000apps.irs.gov
Meharry Medical CollegeNashville, TNSupportEducation$10,000apps.irs.gov
University of Louisville Research FoundationLouisville, KYSupportEducation$10,000apps.irs.gov
Indiana UniversityBloomington, INSupport$9,871apps.irs.gov
The Board of Trustees of the Leland Stanford Junior UniversityRedwood City, CASupportEducation$8,996apps.irs.gov

Causes funded

From grants whose recipient has a cause.

CauseGranted
Education$48,122
Science and technology$34,000

States funded

Recipient stateGranted
Maryland$283,000
Massachusetts$34,000
Kentucky$20,000
California$18,122
Tennessee$10,000
Indiana$9,871

Also on SpecStream

Updated August 11, 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.