The Heartstone Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BROOKLINE, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $13.9M in total assets. In 2024, it awarded 4 grants totaling $1.1M. Net investment income was $980K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$13.9M
+1.0% YoY
Annual Giving
$1.1M
+13.5% YoY
Grant Count
4
+100.0% YoY
Avg Grant Size
$284K
-43.3% YoY
Under IRS private-foundation payout rules, The Heartstone Foundation reported a distributable amount of $883K for 2024 — the minimum it must pay out in qualifying distributions.
About The Heartstone Foundation
Based on IRS filings
The Heartstone Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BROOKLINE, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $13.9M in total assets. In 2024, it awarded 4 grants totaling $1.1M. Net investment income was $980K.
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 | $13,864,238 | $13,725,618 | $13,954,706 |
| Revenue | $1,524,324 | $831,254 | $87,071 |
| Expenses | $1,385,704 | $1,040,564 | $1,056,501 |
| Qualifying Distributions | $1,143,919 | $506,625 | $966,923 |
| Net Investment Income | $979,631 | $797,315 | $285,340 |
| Distributable Amount | $883,411 | $811,187 | $842,003 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2024
Grant Size Distribution
13 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Fidelity Charitable ($737,216), Temple Ohabhei Shalom ($212,503), Concord Academy ($100,000).
| Recipient | Purpose | Amount |
|---|---|---|
| TEMPLE OHABHEI SHALOM BROOKLINE, MA | GENERAL CHARITABLE SUPPORT | $212,503 |
| CONCORD ACADEMY CONCORD, MA | GENERAL CHARITABLE SUPPORT | $100,000 |
| THE BEMENT SCHOOL DEERFIELD, MA | GENERAL CHARITABLE SUPPORT | $85,000 |
| FIDELITY CHARITABLE CINCINNATI, OH | GENERAL CHARITABLE SUPPORT | $737,216 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JULIE SWARTZ | TRUSTEE | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Heartstone Foundation?
The Heartstone Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in BROOKLINE, MA. It holds $13.9M in total assets as of 2024.
How large is The Heartstone Foundation?
As of 2024, The Heartstone Foundation holds $13.9M in total assets with $1.5M in annual revenue. It awarded 4 grants totaling $1.1M in 2024.
Where does The Heartstone Foundation operate?
The Heartstone Foundation has awarded grants in Massachusetts, New York, Ohio.
What size grants does The Heartstone Foundation award?
In 2024, The Heartstone Foundation awarded 4 grants totaling $1.1M — an average of about $284K per grant, based on its IRS Form 990 filings.
How much is The Heartstone Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Heartstone Foundation reported a distributable amount of $883K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Heartstone Foundation's EIN?
The Heartstone Foundation's EIN (Employer Identification Number) is 20-6197750. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Heartstone 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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