The Endurance Foundation
Invitation OnlyBoston, Massachusetts · EIN 35-2435568 · Private foundation
Grants paid (2025)$83K
Organizations funded5
Typical grant$5,000
Total assets$1.9M
Half of its grants to organizations were between $4,271 and $20,000.
From the return
How to apply
On its return for tax year 2025 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
20% of grants went outside Massachusetts.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Immigration Services and Legal Advocacy | Boston, MA | General charitable purposes | $50,000 |
| Young Center for Immigrant Children | Chicago, IL | General charitable purposes | $20,000 |
| Woods Hole Community Association | Woods Hole, MA | General charitable purposes | $5,000 |
| Woods Hole Research Center | Falmouth, MA | Scientific and educational research | $4,271 |
| Pine Street Inn | Boston, MA | Innovative, solution-oriented programs to help homeless individuals move beyond shelter | $3,500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $82,771 | 5 |
| 2024 | $80,000 | 4 |
| 2023 | $86,000 | 5 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 15, 2026 - IRS e-file batch, object ID 202621359349104052
- IRS Tax Exempt Organization Search for EIN 35-2435568
- Profile updated Nov 7, 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.