From public IRS filings
AMERICAN PHILOSOPHICAL SOCIETY
PHILADELPHIA, PA · Arts, Culture & Humanities
Mission
The American Philosophical Society, the oldest learned society in the United States, was founded in 1743 by Benjamin Franklin for the purpose of "promoting useful knowledge." In the 21st century the Society sustains this mission with various programs described further within.
Financials (IRS Form 990)
Total revenue
$20.4M
Total expenses
$15.6M
Total assets
$310.2M
Program expense ratio
73%
Source: IRS Form 990, tax year 2024.
Who funds AMERICAN PHILOSOPHICAL SOCIETY
$5M in foundation grants on record from 45 funders — matched from IRS 990 grant line items. Some matches may be approximate.
| Funder | Total given | Grants |
|---|---|---|
| David Library of the American Revolution | $963K | 3 |
| Hays Est I Minis Decd T W | $855K | 4 |
| Andrew W Mellon Foundation | $822K | 1 |
| Richard Lounsbery Foundation | $399K | 1 |
| Fidelity Investments Charitable Gift Fund | $366K | 4 |
| Wyoming Community Foundation | $262K | 3 |
| Vanguard Charitable Endowment Program | $251K | 4 |
| Leslie Miller and Richard Worley Foundation | $178K | 1 |
| Julian A and Lois G Brodsky Foundation | $110K | 4 |
| Alan G and Jane A Lehman Foundation C/O Ellen Lehman Trustee | $109K | 3 |
Leadership
Dr Patrick Spero — CEO (Principal officer)
Is this your organization?
See which foundations fund organizations like yours — Kindora matches your programs against funders' actual grant histories.
Find your funders