Marvin M Tenberg Charitable Foundation
Marvin M Tenberg Charitable Foundation is a private foundation, based in Green Cove Springs, FL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3.3M in total assets. In 2025, it awarded 9 grants totaling $168K. Net investment income was $253K.
Marvin M Tenberg Charitable Foundation at a glance
In short: Marvin M Tenberg Charitable Foundation gave $168K across 9 grants in 2025 (avg $19K), mostly in Florida. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $167,662
- -27.9% vs 2024
- Grants made (2025)
- 9
- -25.0% vs 2024
- Average grant
- $18,629
- -3.9% vs 2024
- Median grant
- $15,000
- Total assets
- $3,307,703
- +2.6% vs 2024
- Primary geography
- Florida (66% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Marvin M Tenberg Charitable Foundation funds
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
The largest 2025 recipient was Humane Society of Tampa Bay ($60K). Together the top 9 received $168K.
Grant Size Distribution
42 grants across all recorded years
The most common grant size was under $50K: 35 grants of 42 (83%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 9 itemized grants.
Cities
How Marvin M Tenberg Charitable Foundation gives
- Giving held roughly steady from 2022 to 2025 (−1%). Method
- In 2025 it paid out 105% 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 2020 to 2025, annual grant giving ranged from $163K (2021) to $233K (2024). In 2025 it made 9 grants totaling $168K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Humane Society of Tampa Bay Tampa, FL | Works to rescue individual animals, safeguard populations, preserve habitat | $60,000 |
| Chimp Haven Keithville, LA | Rescue and Provide for Chimpanzees | $29,000 |
| Baltimore Humane Society Reisterstown, MD | Works to rescue individual animals, safeguard populations, preserve habitat | $25,000 |
| Feeding Tampa Bay Tampa, FL | Providing food to nearly one million food insecure families | $20,000 |
| Straz Performing Arts Foundation Tampa, FL | Present inspiring performances, provide meaningful arts education and community engagement experiences | $15,000 |
| Susan Terry Foundation Sarasota, FL | Empowering Our Communities in the Fight Against HIV | $15,000 |
| USA for Unfpa New York, NY | Provide Lifesaving Care for Women and Girls Worldwide | $2,092 |
| APEX1 Girls Volleyball Anaheim, CA | Support High School Athletics | $1,050 |
| Wikimedia Foundation San Francisco, CA | Provide Knowledge Free to the World | $520 |
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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 | $3,307,703 | $272,839 | $190,658 | $167,662 | 9 | $167,662 | $252,962 | $160,136 |
| 2024 | $3,224,956 | $147,882 | $255,083 | $232,520 | 12 | $232,520 | $122,836 | $14,349 |
| 2023 | $3,332,157 | $471,856 | $196,119 | $185,000 | 6 | $185,000 | $109,453 | $12,134 |
| 2022 | $3,056,420 | $154,409 | $173,167 | $170,000 | 6 | $170,000 | $102,248 | $8,810 |
| 2021 | $3,102,230 | $359,350 | $173,582 | $163,000 | 9 | $163,000 | $90,346 | $146,954 |
| 2020 | $2,916,462 | $3,108,199 | $191,737 | $180,000 | 10 | — | $8,924 | $84,841 |
Under IRS private-foundation payout rules, Marvin M Tenberg Charitable Foundation reported a distributable amount of $160K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Marvin M Tenberg Charitable Foundation is led by Stephen Tenberg, Trustee on every filing since 2020 — the only officer listed, and compensated.
Officers on the 2025 filing
Stephen Tenberg
Trustee
On filings since 2020
$5K (2020) → $10K (2025)
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $10K, to Stephen Tenberg (Trustee).
Frequently asked questions about Marvin M Tenberg Charitable Foundation
How much does Marvin M Tenberg Charitable Foundation give each year?
Marvin M Tenberg Charitable Foundation gave $168K across 9 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $233K across 12 grants.
What is Marvin M Tenberg Charitable Foundation's typical grant size?
Marvin M Tenberg Charitable Foundation's median grant in 2025 was $15,000, and its average grant was $18,629, across 9 grants on its 2025 IRS Form 990-PF.
Where does Marvin M Tenberg Charitable Foundation give grants?
Marvin M Tenberg Charitable Foundation gives mostly in Florida: 66% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Louisiana (17%) and Maryland (15%). The most frequent recipient cities were Tampa, FL (3 grants).
Does Marvin M Tenberg Charitable Foundation give general operating support?
Not in 2025: none of the 9 grants with a stated purpose on Marvin M Tenberg Charitable Foundation's 2025 IRS Form 990-PF were described as general or operating support.
Who are Marvin M Tenberg Charitable Foundation's largest grantees?
Marvin M Tenberg Charitable Foundation's largest 2025 grantees include Humane Society of Tampa Bay ($60,000), Chimp Haven ($29,000) and Baltimore Humane Society ($25,000), according to its 2025 IRS Form 990-PF. Together they received 68% of its itemized 2025 grant dollars.
How large is Marvin M Tenberg Charitable Foundation?
Marvin M Tenberg Charitable Foundation reported $3.3M in total assets on its 2025 IRS Form 990-PF. It paid out $168K in qualifying distributions that year, against a required minimum of $160K (roughly 5% of its investment assets).
What is Marvin M Tenberg Charitable Foundation's EIN?
Marvin M Tenberg Charitable Foundation's EIN (Employer Identification Number) is 85-1257333. 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 9, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Marvin M Tenberg Charitable Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Marvin M Tenberg Charitable Foundation's focus areas in our free grants database
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