Data / Foundation grants / Mattis Family Foundation
Mattis Family Foundation: 8 grants to organizations, $280,000 (tax year ended December 2025)
Mattis Family Foundation, a private foundation in Greenwich, CT, paid 8 grants to organizations totaling $280,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 15, 2026. The largest was $100,000 to Greenwich Country Day School in Greenwich, CT for education.
SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.
- EIN
- 203538795
- Based in
- Greenwich, CT
- Assets
- $3,445,607
- Grants paid
- $280,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 15, 2026, IRS object ID 202631359349103348. It reported $280,000 in grants paid; 8 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Greenwich Country Day School | Greenwich, CT | Education | Education | $100,000 | apps.irs.gov |
| Eagle Hill School | Greenwich, CT | Education | $80,000 | apps.irs.gov | |
| Kripalu Center for Yoga & Health | Stockbridge, MA | Spiritual development | Human services | $50,000 | apps.irs.gov |
| Burning Man Project | San Francisco, CA | Art, music and innovation | Community improvement and capacity building | $20,000 | apps.irs.gov |
| Greenwich Library | Greenwich, CT | Education & community outreach programs | Education | $10,000 | apps.irs.gov |
| Neighbor To Neighbor | Greenwich, CT | Food bank | $10,000 | apps.irs.gov | |
| Bruce Museum | Greenwich, CT | Education, culture, art | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Greenwich Historical Society | Cos Cob, CT | Education | Arts, culture and humanities | $5,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed September 9, 2025, IRS object ID 202502529349100605. It reported $215,000 in grants paid; 10 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Greenwich Country Day School | Greenwich, CT | Education | Education | $100,000 | apps.irs.gov |
| Eagle Hill School | Greenwich, CT | Education | $25,000 | apps.irs.gov | |
| Burning Man Project | San Francisco, CA | Art, music and innovation | Community improvement and capacity building | $20,000 | apps.irs.gov |
| Neighbor To Neighbor | Greenwich, CT | Food bank | $20,000 | apps.irs.gov | |
| Greenwich Library | Greenwich, CT | Education & community outreach programs | Education | $10,000 | apps.irs.gov |
| Kripalu Center for Yoga & Health | Stockbridge, MA | Spiritual development | Human services | $10,000 | apps.irs.gov |
| New York Public Radio | New York, NY | Support public media | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Propublica | New York, NY | Art | $10,000 | apps.irs.gov | |
| Bruce Museum | Greenwich, CT | Education, culture, art | Arts, culture and humanities | $5,000 | apps.irs.gov |
| Greenwich Historical Society | Cos Cob, CT | Education | Arts, culture and humanities | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $220,000 |
| Human services | $60,000 |
| Community improvement and capacity building | $40,000 |
| Arts, culture and humanities | $30,000 |
States funded
| Recipient state | Granted |
|---|---|
| Connecticut | $375,000 |
| Massachusetts | $60,000 |
| California | $40,000 |
| New York | $20,000 |
Also on SpecStream
- Who funds education in Connecticut
- Who funds human services in Massachusetts
- Who funds community improvement and capacity building in California
- Who funds arts, culture and humanities in Connecticut
- Who funds arts, culture and humanities in New York
Updated May 15, 2026. 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.