Tinker Island Foundation
Invitation OnlyBoston, Massachusetts · EIN 47-3423358 · Private foundation
Grants paid (2024)$785K
Organizations funded2
Typical grant$285,000
Total assets$32.4M
Half of its grants to organizations were between $285,000 and $500,000.
From the return
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.
Where it gives
50% of grants went outside Massachusetts.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Fidelity Charitable Gift Fund | Cincinnati, OH | Program development | $500,000 |
| Now and There Inc | Boston, MA | Program development | $285,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $785,000 | 2 |
| 2023 | $1,000,000 | 2 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 4, 2025 - IRS e-file batch, object ID 202513089349100106
- IRS Tax Exempt Organization Search for EIN 47-3423358
- Profile updated Nov 10, 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.