Data / Foundation grants / The Heartstone Foundation
The Heartstone Foundation: 6 grants to organizations, $873,911 (tax year ended December 2025)
The Heartstone Foundation, a private foundation in Brookline, MA, paid 6 grants to organizations totaling $873,911 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 13, 2026. The largest was $500,000 to American Friends of Magen David Adom in New York, NY for general charitable support.
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
- 206197750
- Based in
- Brookline, MA
- Assets
- $20,347,072
- Grants paid
- $873,911
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 13, 2026, IRS object ID 202611339349100346. It reported $873,911 in grants paid; 6 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| American Friends of Magen David Adom | New York, NY | General charitable support | International, foreign affairs and national security | $500,000 | apps.irs.gov |
| Concord Academy | Concord, MA | General charitable support | Education | $100,000 | apps.irs.gov |
| The Belmont School | Deerfield, MA | General charitable support | $90,000 | apps.irs.gov | |
| Eagle Foundation of Massachusetts | Hardwick, MA | General charitable support | $85,000 | apps.irs.gov | |
| Fidelity Charitable | Cincinnati, OH | General charitable support | $69,601 | apps.irs.gov | |
| Temple Ohabei Shalom | Brookline, MA | General charitable support | $29,310 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed July 9, 2025, IRS object ID 202531909349100603. It reported $1,134,719 in grants paid; 4 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Fidelity Charitable | Cincinnati, OH | General charitable support | $737,216 | apps.irs.gov | |
| Temple Ohabhei Shalom | Brookline, MA | General charitable support | $212,503 | apps.irs.gov | |
| Concord Academy | Concord, MA | General charitable support | Education | $100,000 | apps.irs.gov |
| The Bement School | Deerfield, MA | General charitable support | Education | $85,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| International, foreign affairs and national security | $500,000 |
| Education | $285,000 |
States funded
| Recipient state | Granted |
|---|---|
| Ohio | $806,817 |
| Massachusetts | $701,813 |
| New York | $500,000 |
Also on SpecStream
- Who funds international, foreign affairs and national security in New York
- Who funds education in Massachusetts
Updated May 13, 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.