The SPIA Foundation - Marius Winkelman Trustee
Invitation OnlyNew York, New York · EIN 13-3318172 · Private foundation
Grants paid (2025)$685K
Organizations funded6
Typical grant$25,000
Total assets$8.4M
Half of its grants to organizations were between $5,000 and $100,000.
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 New York.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| University of Pennsylvania | Philadelphia, PA | Education Funding | $500,000 |
| The Nature Conservancy | Arlington, VA | Conserve Lands& Water | $100,000 |
| Founding Fish Network Inc | Atlantic Highlands, NJ | Fish Preservation | $50,000 |
| High Hopes Therapeutic Riding | Old Lyme, CT | Horses & HumansCompanionship | $25,000 |
| Essex Land Trust | Essex, CT | LandPreservation | $5,000 |
| Voices Center for Resilience | New Canaan, CT | CivicFunding | $5,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $685,000 | 6 |
| 2024 | $15,000 | 3 |
| 2023 | $10,000 | 2 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 20, 2026 - IRS e-file batch, object ID 202621109349100142
- IRS Tax Exempt Organization Search for EIN 13-3318172
- 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.