Mary M Tanenbaum Foundation
Mary M Tanenbaum Foundation is a private foundation, based in New York, NY. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $321K in total assets. In 2024, it awarded 1 grant totaling $50K. Net investment income was $47K.
Mary M Tanenbaum Foundation at a glance
In short: Mary M Tanenbaum Foundation gave $50K across 1 grant in 2024 (avg $50K), mostly in California. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $50,000
- +0.0% vs 2023
- Grants made (2024)
- 1
- +0.0% vs 2023
- Average grant
- $50,000
- +0.0% vs 2023
- Median grant
- $50,000
- Total assets
- $321,050
- -33.5% vs 2023
- Primary geography
- California (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
Who Mary M Tanenbaum Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was Asian Art Museum ($50K).
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 3 grants of 6 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
States
Cities
How Mary M Tanenbaum Foundation gives
- Giving grew 25% from 2021 to 2024. Method
- In 2024 it paid out 53% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2024, annual grant giving ranged from $35K (2019) to $80K (2022). In 2024 it made 1 grant totaling $50K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Asian Art Museum San Francisco, CA | General Purpose | $50,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $321,050 | $49,249 | $54,100 | $50,000 | 1 | $51,950 | $47,299 | $97,214 |
| 2023 | $482,914 | $25,783 | $54,550 | $50,000 | 1 | $51,950 | $23,833 | $73,560 |
| 2022 | $511,681 | $22,451 | $86,900 | $80,000 | 2 | $84,500 | $20,951 | $72,601 |
| 2021 | $573,395 | $19,830 | $43,019 | $40,000 | 1 | $41,875 | $19,205 | $69,900 |
| 2020 | $596,584 | $19,296 | $48,470 | $45,000 | 1 | — | $18,655 | $50,866 |
| 2019 | $625,758 | $20,016 | $43,131 | $35,000 | 1 | — | $18,072 | $54,147 |
Under IRS private-foundation payout rules, Mary M Tanenbaum Foundation reported a distributable amount of $97K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Mary M Tanenbaum Foundation is led by Ann Tannenbaum, President & Trustee since 2022 (on filings since 2019) — the only officer listed, and uncompensated.
Officers on the 2024 filing
Ann Tannenbaum
President & Trustee
President Trustee → President & Trustee, 2022
On filings since 2019
0.5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2019–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Mary M Tanenbaum Foundation
How much does Mary M Tanenbaum Foundation give each year?
Mary M Tanenbaum Foundation gave $50K across 1 grant in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $50K across 1 grant.
How large is Mary M Tanenbaum Foundation?
Mary M Tanenbaum Foundation reported $321K in total assets on its 2024 IRS Form 990-PF. It paid out $52K in qualifying distributions that year, against a required minimum of $97K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does Mary M Tanenbaum Foundation operate?
Mary M Tanenbaum Foundation has awarded grants in California, New Jersey.
What is Mary M Tanenbaum Foundation's EIN?
Mary M Tanenbaum Foundation's EIN (Employer Identification Number) is 46-6498939. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS August 12, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS September 9, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS September 13, 2025)
- IRS filings on file for fiscal years 2019–2024
Live grants for the work Mary M Tanenbaum Foundation funds
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