Alexander W Casdin Foundation
Alexander W Casdin Foundation is a private foundation, based in New York, NY. IRS filing data is available from 2020 through 2025. In 2025, it made $3K in qualifying distributions.
Alexander W Casdin Foundation at a glance
- Revenue (2025)
- $5,980
- -5.3% vs 2024
- Qualifying distributions (2025)
- $3,070
- -86.8% vs 2024
- Expenses (2025)
- $6,060
- -77.0% vs 2024
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Alexander W Casdin Foundation funds
How this funder distributes its grants
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 5 grants of 6 (83%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
How Alexander W Casdin Foundation gives
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $11K (2022) to $159K (2023). In 2024 it made 1 grant totaling $20K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Brown University Providence, RI | General Fund | $20,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | — | $5,980 | $6,060 | — | — | $3,070 | — | $3 |
| 2024 | $80 | $6,314 | $26,370 | $20,000 | 1 | $23,222 | — | $376 |
| 2023 | $20,136 | $181,911 | $165,130 | $159,000 | 3 | $162,103 | $33,507 | $113 |
| 2022 | $3,355 | $10,212 | $11,050 | $11,000 | 2 | $11,050 | $2,696 | $149 |
| 2021 | $4,193 | — | $50 | — | — | $50 | — | $208 |
| 2020 | $4,243 | $24,737 | $40,976 | $33,700 | 1 | — | $9,303 | $480 |
Under IRS private-foundation payout rules, Alexander W Casdin Foundation reported a distributable amount of $3 for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Alexander W Casdin Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Alexander Casdin
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Nicholas Eisenman
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Susan Block Casdin
Director
On filings since 2020
0.3 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 Alexander W Casdin Foundation
Where does Alexander W Casdin Foundation operate?
Alexander W Casdin Foundation has awarded grants in California, New York, Rhode Island, Virginia.
How much is Alexander W Casdin Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Alexander W Casdin Foundation reported a distributable amount of $3 on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Alexander W Casdin Foundation's EIN?
Alexander W Casdin Foundation's EIN (Employer Identification Number) is 13-7270729. 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.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 10, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 6, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 19, 2026)
Live grants for the work Alexander W Casdin Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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