Mab Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in NEW YORK, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.1M in total assets. In 2024, it awarded 1 grants totaling $944K. Net investment income was $170K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$2.1M
-23.3% YoY
Annual Giving
$944K
-19.8% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$944K
-19.8% YoY
Under IRS private-foundation payout rules, Mab Foundation reported a distributable amount of $95K for 2024 — the minimum it must pay out in qualifying distributions.
About Mab Foundation
Based on IRS filings
Mab Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in NEW YORK, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.1M in total assets. In 2024, it awarded 1 grants totaling $944K. Net investment income was $170K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $2,058,583 | $2,682,362 | $3,042,317 |
| Revenue | $274,416 | $370,805 | $956,937 |
| Expenses | $944,278 | $1,181,373 | $1,343,184 |
| Qualifying Distributions | $944,278 | $1,181,373 | $1,343,184 |
| Net Investment Income | $169,975 | $260,621 | $245,815 |
| Distributable Amount | $94,813 | $137,404 | $156,270 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
5 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Various Qualified Charities ($944,097).
| Recipient | Purpose | Amount |
|---|---|---|
| VARIOUS QUALIFIED CHARITIES NEW YORK, NY | DETAILED SCHEDULE AVAILABLE UPON REQUEST | $944,097 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| AARON BIRNBAUM | Trustee | — | — |
| ALISA BIRNBAUM | Treasurer | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Mab Foundation?
Mab Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in NEW YORK, NY. It holds $2.1M in total assets as of 2024.
How large is Mab Foundation?
As of 2024, Mab Foundation holds $2.1M in total assets with $274K in annual revenue. It awarded 1 grants totaling $944K in 2024.
Where does Mab Foundation operate?
Mab Foundation has awarded grants in New York.
What size grants does Mab Foundation award?
In 2024, Mab Foundation awarded 1 grants totaling $944K — an average of about $944K per grant, based on its IRS Form 990 filings.
How much is Mab Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Mab Foundation reported a distributable amount of $95K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Mab Foundation's EIN?
Mab Foundation's EIN (Employer Identification Number) is 11-3409995. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Mab Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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