Data / Foundation grants / Stephen Mack & Kelly Mack Foundation Inc
Stephen Mack & Kelly Mack Foundation Inc: 10 grants to organizations, $1.1 million (tax year ended December 2024)
Stephen Mack & Kelly Mack Foundation Inc, a private foundation in New York, NY, paid 10 grants to organizations totaling $1,085,667 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 10, 2025. The largest was $305,000 to Nyu in New York, NY for exempt purpose.
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- EIN
- 203901963
- Based in
- New York, NY
- Assets
- $30,344
- Grants paid
- $1,085,667
- Tax year ended
- December 2024
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 10, 2025, IRS object ID 202533149349101398. It reported $1,085,667 in grants paid; 10 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Nyu | New York, NY | Exempt purpose | $305,000 | apps.irs.gov | |
| Musicians On Call | Nashville, TN | Exempt purpose | Arts, culture and humanities | $250,000 | apps.irs.gov |
| Nyu Langone Health | New York, NY | Exempt purpose | $250,000 | apps.irs.gov | |
| 92y | New York, NY | Exempt purpose | $122,667 | apps.irs.gov | |
| Georgetown University | Washington, DC | Exempt purpose | Education | $87,500 | apps.irs.gov |
| Riverdale Country School | Bronx, NY | Exempt purpose | Education | $50,000 | apps.irs.gov |
| The Schwarzman Animal Medical Center | New York, NY | Exempt purpose | $10,000 | apps.irs.gov | |
| Boston Children's Hospital Trust | Boston, MA | Exempt purpose | $7,500 | apps.irs.gov | |
| Atlantic Golf Club Educational Fund | Bridgehampton, NY | Exempt purpose | Philanthropy, voluntarism and grantmaking foundations | $1,500 | apps.irs.gov |
| Lustgarten Foundation | Uniondale, NY | Exempt purpose | $1,500 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Arts, culture and humanities | $250,000 |
| Education | $137,500 |
| Philanthropy, voluntarism and grantmaking foundations | $1,500 |
States funded
| Recipient state | Granted |
|---|---|
| New York | $740,667 |
| Tennessee | $250,000 |
| District of Columbia | $87,500 |
| Massachusetts | $7,500 |
Also on SpecStream
- Who funds arts, culture and humanities in Tennessee
- Who funds education in District of Columbia
- Who funds education in New York
- Who funds philanthropy, voluntarism and grantmaking foundations in New York
Updated November 10, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.