The SPIA Foundation - Marius Winkelman Trustee
Preselected recipients only
The SPIA Foundation - Marius Winkelman Trustee is a private foundation in New York, New York. In tax year 2025 it gave $685,000 in 6 grants; the typical grant was $37,500 and the largest $500,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$685,000
- Number of grants6
- Typical grant$37,500
- Largest grant$500,000
- Assets$8.4 million
- New grantees83%
Giving in 2025 was up from $15,000 the year before.
83% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $10,000 | 2 | $3.8 million |
| 2024 | $15,000 | 3 | $8.2 million |
| 2025 | $685,000 | 6 | $8.4 million |
How to apply
The SPIA Foundation - Marius Winkelman Trustee says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The SPIA Foundation - Marius Winkelman Trustee funds
Where it gives
Its grants went to recipients in 4 states, the most to Pennsylvania.
| State | Grants | Amount |
|---|---|---|
| Pennsylvania | 1 | $500,000 |
| Virginia | 1 | $100,000 |
| New Jersey | 1 | $50,000 |
| Connecticut | 3 | $35,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| University of Pennsylvania | Education Funding | $500,000 |
| The Nature Conservancy | Conserve Lands& Water | $100,000 |
| Founding Fish Network Inc | Fish Preservation | $50,000 |
| High Hopes Therapeutic Riding | Horses & HumansCompanionship | $25,000 |
| Essex Land Trust | LandPreservation | $5,000 |
| Voices Center for Resilience | CivicFunding | $5,000 |
Officers and trustees
- Marius O Winkelman
- Dorinda P Winkelman
- Victoria P Winkelman-Dedet
- Colin F Winkelman
Questions people ask
Does The SPIA Foundation - Marius Winkelman Trustee accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The SPIA Foundation - Marius Winkelman Trustee give?
$685,000 in tax year 2025, across 6 grants, with a typical grant of $37,500.
Who runs The SPIA Foundation - Marius Winkelman Trustee?
Its 2025 filing lists Marius O Winkelman (Trustee), Dorinda P Winkelman (Trustee), Victoria P Winkelman-Dedet (Trustee) and Colin F Winkelman (Trustee).
What does The SPIA Foundation - Marius Winkelman Trustee fund?
Based on its grants, mainly environment and conservation.