L4 Foundation
L4 Foundation is a private foundation based in Jericho, New York. Its 2025 filing reports two grants totaling $425,000, both described as charitable gifts.
L4 Foundation at a glance
In short: L4 Foundation gave $425K across 2 grants in 2025 (avg $213K), mostly in New Mexico. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $425,000
- +13.3% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $212,500
- +13.3% vs 2024
- Median grant
- $212,500
- Total assets
- $5,206,804
- +1.2% vs 2024
- Primary geography
- New Mexico (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to L4 Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: C/O Silverman 471 N Broadway 382, Jericho, NY 11753
Phone: (212) 967-9118
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who L4 Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2025
The largest 2025 recipient was Fidelity Donor Advised Fund ($420K). Together the top 2 received $425K.
Grant Size Distribution
68 grants across all recorded years
The most common grant size was under $50K: 62 grants of 68 (91%).
Geographic Focus
Where this funder awards grants
The 2025 filing shows that recipients in New Mexico received 99% of grant dollars and recipients in New York received 1%.
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How L4 Foundation gives
- Giving held roughly steady from 2022 to 2025 (+5%). Method
- In 2025 it paid out 102% of 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 2019 to 2025, annual grant giving ranged from $225K (2019) to $425K (2025). In 2025 it made 2 grants totaling $425K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Fidelity Donor Advised Fund Albuquerque, NM | Charitable Gift | $420,000 |
| Metropolitan Museum of Art New York, NY | Charitable Gift | $5,000 |
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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 | $5,206,804 | $536,231 | $541,410 | $425,000 | 2 | $425,000 | $319,464 | $416,501 |
| 2024 | $5,147,281 | $577,695 | $490,027 | $375,000 | 2 | $375,000 | $362,668 | $399,380 |
| 2023 | $4,796,169 | $369,123 | $454,228 | $340,739 | 2 | $340,739 | $155,271 | $345,348 |
| 2022 | $4,761,464 | $434,492 | $516,018 | $404,250 | 28 | $404,250 | $222,724 | $364,053 |
| 2021 | $4,884,470 | $583,290 | $476,687 | $363,500 | 34 | $363,500 | $470,103 | $374,768 |
| 2020 | $4,758,848 | $664,038 | $446,490 | $350,000 | 31 | — | $567,548 | $337,896 |
| 2019 | $4,502,878 | $953,240 | $230,624 | $225,000 | 32 | — | $947,689 | — |
Under IRS private-foundation payout rules, L4 Foundation reported a distributable amount of $417K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants went to a donor-advised fund and an art museum. The Metropolitan Museum of Art describes its own mission as collecting, studying, conserving, and presenting significant works of art across times and cultures to connect people to creativity, knowledge, and ideas.
Grantmaking
In filing year 2025, the foundation reported two grants totaling $425,000. The grants ranged from $5,000 to $420,000, with a median of $212,500. The largest grant was $420,000 to Fidelity Donor Advised Fund in Albuquerque, New Mexico; the other was $5,000 to the Metropolitan Museum of Art in New York. Both were listed as charitable gifts.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Leslie Gruss as president, Ripton Gruss Rosen as assistant treasurer, and Morgan Gruss Rosen as assistant secretary.
L4 Foundation is led by Leslie Gruss, President on every filing since 2019; all 3 officers listed in 2025 are compensated.
Officers on the 2025 filing
Leslie Gruss
President
On filings since 2019
20 hrs/week
$25K (2020) → $25K (2025)
Morgan Gruss Rosen
Assistant Secretary
On filings since 2019
20 hrs/week
$25K (2020) → $25K (2025)
Ripton Gruss Rosen
Assistant Treasurer
On filings since 2019
20 hrs/week
$25K (2020) → $25K (2025)
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $25K, to Leslie Gruss (President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about L4 Foundation
How much does L4 Foundation give each year?
L4 Foundation gave $425K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $375K across 2 grants.
How large is L4 Foundation?
L4 Foundation reported $5.2M in total assets on its 2025 IRS Form 990-PF. It paid out $425K in qualifying distributions that year, against a required minimum of $417K (roughly 5% of its investment assets).
What does L4 Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants went to a donor-advised fund and an art museum. See mission & focus areas ↑
How do I apply for a grant from L4 Foundation?
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
Where does L4 Foundation make grants?
The 2025 filing shows that recipients in New Mexico received 99% of grant dollars and recipients in New York received 1%.
What is L4 Foundation's EIN?
L4 Foundation's EIN (Employer Identification Number) is 47-3597702. IRS Form 990 filing data is available on this page for 2019–2025.
Does L4 Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS June 17, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 10, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 7, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 9, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 11, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 1, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 14, 2026)
- IRS filings on file for fiscal years 2019–2024
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