L4 Foundation
Preselected recipients only
L4 Foundation is a private foundation in Jericho, New York. In tax year 2025 it gave $425,000 in 2 grants; the typical grant was $212,500 and the largest $420,000. 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$425,000
- Number of grants2
- Typical grant$212,500
- Largest grant$420,000
- Assets$9.1 million
- New grantees50%
Giving in 2025 was up from $375,000 the year before.
50% 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 | $340,739 | 2 | $7.5 million |
| 2024 | $375,000 | 2 | $8.4 million |
| 2025 | $425,000 | 2 | $9.1 million |
How to apply
L4 Foundation 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 L4 Foundation funds
Where it gives
Its grants went to recipients in 2 states, the most to New Mexico.
| State | Grants | Amount |
|---|---|---|
| New Mexico | 1 | $420,000 |
| New York | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Fidelity Donor Advised Fund | Charitable gift | $420,000 |
| Metropolitan Museum of Art | Charitable gift | $5,000 |
Officers and trustees
- Leslie Gruss
- Ripton Gruss Rosen
- Morgan Gruss Rosen
Questions people ask
Does L4 Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does L4 Foundation give?
$425,000 in tax year 2025, across 2 grants, with a typical grant of $212,500.
Who runs L4 Foundation?
Its 2025 filing lists Leslie Gruss (President), Ripton Gruss Rosen (Asst Treasurer) and Morgan Gruss Rosen (Asst Secretary).
What does L4 Foundation fund?
Based on its grants, mainly arts and culture.