John & Amy Griffin Foundation
Private foundation Pearl River, NY Still adding venture funds
John & Amy Griffin Foundation reports 3 venture funds, $2.7M in all.
Holdings are from its Form 990-PF return for the year ending November 30, 2025, compared with the one for November 30, 2024. Foundations file up to ten and a half months after their year ends, and the IRS publishes returns months after that. “Still adding venture funds”: its newest venture fund is a 2022 vintage, within 3 years of 2025.
The numbers
| Vintage | Venture funds |
|---|---|
| 2016 | 1 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 1 |
Updates from John & Amy Griffin Foundation
Largest venture holdings
From its Form 990-PF return for the year ending November 30, 2025; “New” is a fund that wasn’t on the return before it.
| Fund, as reported | Manager | Vintage | Year-end value |
|---|---|---|---|
| Endeavor Catalyst II, LP | Endeavor Catalyst | 2016 | $931K |
| Endeavor Catalyst III, LP | Endeavor Catalyst | 2019 | $913K |
| Endeavor Catalyst IV, LP | Endeavor Catalyst | 2022 | $906K |
Open John & Amy Griffin Foundation in LP Intelligence for every fund it holds and how to reach it, or find the LPs that back firms like yours.
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Within 100 miles, by city: a trip to one can take in the others.
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284 LPs within 100 miles in all: see them on the map.
About this data
Holdings as this foundation lists them on its Form 990-PF (Part II, lines 13 and 15). Amounts are year-end fair market value, or book value where it gives no other, not commitments or returns. As of November 30, 2025; new holdings are those not on its return for the year ending November 30, 2024. Source: IRS Form 990-PF. Funds are linked to a manager by name; a match can be wrong, and the original filing is the record. How Hottub reads its sources.
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