MST Foundation
MST Foundation is a private foundation focused on Unknown or not classified, based in Brooklyn, NY. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $2K in total assets. In 2025, it awarded 1 grant totaling $78K.
Key facts about MST Foundation
In short: MST Foundation gave $78K across 1 grant in 2025 (avg $78K), mostly in New York. Source: 2025 IRS Form 990-PF.
- EIN
- 85-3244919
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $78,290
- Grants made (2025)
- 1
- Average grant
- $78,290
- Median grant
- $78,290
- Total assets
- $2,104
- Primary geography
- New York (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$2K
-95.7% YoY
Annual Giving
$78K
+58.5% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$78K
+58.5% YoY
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $3K (2021) to $84K (2023). In 2025 it made 1 grant totaling $78K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Mishkan Yechezkel ($78K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was under $50K: 2 grants of 4 (50%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mishkan Yechezkel Brooklyn, NY | General Support | $78,290 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $2,104 | $48,787 | $19,343 |
| Revenue | $49,115 | $61,395 | $77,000 |
| Expenses | $78,324 | $49,425 | $83,915 |
| Qualifying Distributions | $78,290 | $49,400 | $83,900 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 26, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 8, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 19, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 9, 2026)
- IRS filings on file for fiscal years 2020–2025
Leadership & Key People
Officers and directors from IRS filings
MST Foundation is led by Tzirel Serhofer, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Tzirel Serhofer
Trustee
On filings since 2020
3 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about MST Foundation
How much does MST Foundation give each year?
MST Foundation gave $78K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $49K across 1 grant.
How large is MST Foundation?
MST Foundation reported $2K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $49K.
What is MST Foundation?
MST Foundation is a private foundation focused on Unknown or not classified, based in Brooklyn, NY. It holds $2K in total assets as of 2025.
Where does MST Foundation operate?
MST Foundation has awarded grants in New York.
What is MST Foundation's EIN?
MST Foundation's EIN (Employer Identification Number) is 85-3244919. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching MST Foundation by hand.
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