William Townsend Porter Foundation

BOSTON, MA EIN: 04-2104293

Financial Overview

From 2025 IRS Form 990-PF

Total Assets

$4.2M

-0.6% YoY

Annual Giving

$197K

+6.4% YoY

Grant Count

6

+100.0% YoY

Avg Grant Size

$33K

-46.8% YoY

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Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$83K$167K$250K$333K202020212022202320242025
Metric202520242023
Total Assets$4,205,422$4,230,745$3,766,020
Revenue$170,400$234,846$151,647
Expenses$271,860$254,328$214,816
Qualifying Distributions$220,361$205,340$179,275
Net Investment Income$124,853$195,315$113,193
Distributable Amount$215,756$194,751$185,781

Giving Over Time

Total grant dollars and number of grants per year

$0$49K$99K$148K$197K3 grants20202 grants20213 grants20223 grants20233 grants20246 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2025

AMERICAN PHYSIOLOGICAL S…$142KMARINE BIOLOGICAL LABORA…$17KMEHARRY MEDICAL COLLEGE$10KUNIVERSITY OF LOUISVILLE…$10KINDIANA UNIVERSITY$10KTHE BOARD OF TRUSTEES OF…$9K

Grant Size Distribution

20 grants across all recorded years

14<$50K$50–100K6$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Who else does William Townsend Porter Foundation fund?

Explore the funder–grantee relationships behind this foundation, powered by GrantGraph™ — our database of 11 million+ funding connections.

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Key People

Officers and directors from IRS filings

Compensation Overview

From 2025 IRS filing

From 2025 filing

NameTitleHoursCompensation
PAMELA J GUNTER-SMITH PHDPRESIDENT1
BASIL STEWARTTREASURER2
ARTHUR BPAGE ESQCLERK1
DARREN E HIGGINS PHDTRUSTEE1
DAVID L VAN VACTOR PHDTRUSTEE1
SHEILA M THOMASTRUSTEE1
MARTIN FRANKTRUSTEE1
ERIC FLOYD MS MBA PHDTRUSTEE1
JEAN KING PHDTRUSTEE1
ROBERT CARTER MPH PHDTRUSTEE1

Geographic Focus

Where this funder has awarded grants

Grant Distribution by State

7states

Cities

BethesdaBloomingtonCold Spring HarborLouisvilleNashvilleRedwood CityRockvilleWoods Hole

Data last updated March 2026. Sourced from IRS Form 990-PF filings.

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