Steven J Massarsky Charitable Trust
Invitation OnlyRancho Santa Fe, California · EIN 81-3394988 · Private foundation
Grants paid (2025)$310K
Organizations funded2
Typical grant$70,000
Total assets$7.9M
Half of its grants to organizations were between $70,000 and $240,000.
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
100% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Brown University | Providence, RI | Medical research | $240,000 |
| Nelson School of Entrepreneurship at Brown University | Providence, RI | To foster entrepreneurship | $70,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Brown University | Providence, RI | Medical research | $1,000,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $310,000 | 3 |
| 2024 | $290,000 | 3 |
| 2023 | $295,000 | 3 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 15, 2026 - IRS e-file batch, object ID 202641349349105614
- IRS Tax Exempt Organization Search for EIN 81-3394988
- 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.