L4 Foundation
L4 Foundation is a private foundation based in Jericho, New York. Established in 2015, it operates as a 501(c)(3) organization and primarily funds charitable gifts to various nonprofit organizations.
Key facts about L4 Foundation
- EIN
- 47-3597702
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $375,000
- Grants made (2024)
- 2
- Average grant
- $187,500
- Median grant
- $187,500
- Primary geography
- New Mexico (97% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated June 2026.
How L4 Foundation gives
- Giving held roughly steady from 2021 to 2024 (+3%). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Next steps with L4 Foundation
- How to evaluate L4 Foundation as a funder
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Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$375K
+10.1% YoY
Grant Count
2
+0.0% YoY
Avg Grant Size
$188K
+10.1% YoY
Grantmaking
L4 Foundation made 34 grants in the most recent fiscal year. The foundation maintains an active grantmaking program supporting diverse charitable organizations, including recipients such as The Door Friends of Fontaine.
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Geographic Focus
Where this funder awards grants
The foundation is located in Jericho, New York and operates from this base.
Grant Distribution by State
Share of all 2 itemized 2024 grant dollars.
States
Cities
Financial History
Multi-year comparison from IRS filings
Fiscal Year 2024 (as of December 31, 2024):
- Total Assets: $5,147,281
- Total Revenues: $577,695
- Total Expenses: $490,027
- Investment Income and Dividends: $205,853
- Net Gain from Sale of Non-Inventory Assets: $271,842
- Total Grants, Contributions, etc.: $100,000
Fiscal Year 2023 (as of December 31, 2023):
- Total Revenues: $369,123
- Total Grants, Contributions, etc.: $100,363
- Investment Income and Dividends: $187,446
The foundation experienced significant revenue growth of 56.5% year-over-year, driven largely by investment gains and asset sales. The organization operates with no employees.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2019–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
Grant Size Distribution
97 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest recipients include Fidelity Donor Advised Fund ($365,000), East Village Loves Nyc ($10,000).
| Recipient | Purpose | Amount |
|---|---|---|
| FIDELITY DONOR ADVISED FUND Albuquerque, NM | CHARITABLE GIFT | $365,000 |
| EAST VILLAGE LOVES NYC New York, NY | CHARITABLE GIFT | $10,000 |
Leadership & Key People
Leadership team and compensation from IRS filings
Leslie Gruss serves as President of L4 Foundation, with compensation of $25,000 as of November 2024.
Compensation Overview
From 2024 IRS filing
From 2024 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Leslie Gruss | President | 20 | $25,000 |
| Ripton Gruss Rosen | Asst Treasurer | 20 | $25,000 |
| Morgan Gruss Rosen | Asst Secretary | 20 | $25,000 |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
How do I apply for a grant from L4 Foundation?
L4 Foundation made 34 grants in the most recent fiscal year. The foundation maintains an active grantmaking program supporting diverse charitable organizations, including recipients such as The Door Friends of Fontaine.
Where does L4 Foundation make grants?
The foundation is located in Jericho, New York and operates from this base.
What size grants does L4 Foundation award?
In 2024, L4 Foundation awarded 2 grants totaling $375K — an average of about $188K per grant, based on its IRS Form 990 filings.
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 2019–2024.
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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.