The Heartstone Foundation
Preselected recipients only
The Heartstone Foundation is a private foundation in Brookline, Massachusetts. In tax year 2025 it gave $873,911 in 6 grants; the typical grant was $87,500 and the largest $500,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$873,911
- Number of grants6
- Typical grant$87,500
- Largest grant$500,000
- Assets$20.3 million
- New grantees67%
Giving in 2025 was down from $1.1 million the year before.
67% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $1.0 million | 2 | $17.2 million |
| 2024 | $1.1 million | 4 | $18.3 million |
| 2025 | $873,911 | 6 | $20.3 million |
How to apply
The Heartstone Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Heartstone Foundation funds
Where it gives
Its grants went to recipients in 3 states, the most to New York.
| State | Grants | Amount |
|---|---|---|
| New York | 1 | $500,000 |
| Massachusetts | 4 | $304,310 |
| Ohio | 1 | $69,601 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| American Friends of Magen David Adom | General charitable support | $500,000 |
| Concord Academy | General charitable support | $100,000 |
| The Belmont School | General charitable support | $90,000 |
| Eagle Foundation of Massachusetts | General charitable support | $85,000 |
| Fidelity Charitable | General charitable support | $69,601 |
| Temple Ohabei Shalom | General charitable support | $29,310 |
Officers and trustees
- Julie Swartz
Questions people ask
Does The Heartstone Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Heartstone Foundation give?
$873,911 in tax year 2025, across 6 grants, with a typical grant of $87,500.
Who runs The Heartstone Foundation?
Its 2025 filing lists Julie Swartz (Trustee).
What does The Heartstone Foundation fund?
Based on its grants, mainly education.