The Ptarmigan Foundation Inc
Invitation OnlyWashington, District of Columbia · EIN 20-8152230 · Private foundation
Half of its grants to organizations were between $5,000 and $10,000.
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
88% of grants went outside District of Columbia.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Stanford University Hoover Institution | Stanford, CA | Philanthripic purposes | $100,000 |
| American Council of Trustees and Alumni | Washington, DC | Philanthropic purposes | $10,000 |
| The Hill Museum and Manuscript Library | Collegeville, MN | Philanthropic purposes | $10,000 |
| George Washington's Mount Vernon | Washington, VA | Philanthropic purposes | $10,000 |
| The General Henry Knox Museum | Thomaston, ME | Philanthropic purposes | $5,000 |
| Mount Desert Festival of Chamber Music | Mount Desert, ME | Philanthropic purposes | $5,000 |
| George Mason University Antonin Scalia Law School | Arlington, VA | Philanthropic purposes | $5,000 |
| The Jackson Laboratory | Boston, MA | Philanthropic purposes | $3,000 |
| The Parish of St Mary and St Jude | Northeast Harbor, ME | Philanthropic purposes | $2,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $150,000 | 9 |
| 2023 | $151,400 | 10 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 13, 2025 - IRS e-file batch, object ID 202513179349100501
- IRS Tax Exempt Organization Search for EIN 20-8152230
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.