The Heartstone Foundation
The Heartstone Foundation is a private foundation, based in Brookline, MA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $13.7M in total assets. In 2025, it awarded 6 grants totaling $874K. Net investment income was $772K.
Key facts about The Heartstone Foundation
In short: The Heartstone Foundation gave $874K across 6 grants in 2025 (avg $146K), mostly in New York. Source: 2025 IRS Form 990-PF.
- EIN
- 20-6197750
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $873,911
- Grants made (2025)
- 6
- Average grant
- $145,652
- Median grant
- $87,500
- Total assets
- $13,694,880
- Primary geography
- New York (57% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$13.7M
-1.2% YoY
Annual Giving
$874K
-23.0% YoY
Grant Count
6
+50.0% YoY
Avg Grant Size
$146K
-48.7% YoY
Under IRS private-foundation payout rules, The Heartstone Foundation reported a distributable amount of $922K for 2025 — the minimum it must pay out in qualifying distributions.
How The Heartstone Foundation gives
- Giving held roughly steady from 2022 to 2025 (−9%). Method
- In 2025 it paid out 96% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Ready to take the next step with The Heartstone Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $795K (2020) to $1.1M (2024). In 2025 it made 6 grants totaling $874K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was American Friends of Magen David Adom ($500K). Together the top 6 received $874K.
Grant Size Distribution
17 grants across all recorded years
The most common grant size was in the $100–250K range: 6 grants of 17 (35%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| American Friends of Magen David Adom New York, NY | General Charitable Support | $500,000 |
| Concord Academy Concord, MA | General Charitable Support | $100,000 |
| The Belmont School Deerfield, MA | General Charitable Support | $90,000 |
| Eagle Foundation of Massachusetts Hardwick, MA | General Charitable Support | $85,000 |
| Fidelity Charitable Cincinnati, OH | General Charitable Support | $69,601 |
| Temple Ohabei Shalom Brookline, MA | General Charitable Support | $29,310 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $13,694,880 | $13,864,238 | $13,725,618 |
| Revenue | $814,961 | $1,524,324 | $831,254 |
| Expenses | $984,319 | $1,385,704 | $1,040,564 |
| Qualifying Distributions | $881,458 | $1,143,919 | $506,625 |
| Net Investment Income | $772,445 | $979,631 | $797,315 |
| Distributable Amount | $922,304 | $883,411 | $811,187 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 14, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS October 26, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 2, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 9, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)
Leadership & Key People
Officers and directors from IRS filings
The Heartstone Foundation is led by Julie Swartz, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Julie Swartz
Trustee
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Heartstone Foundation
How much does The Heartstone Foundation give each year?
The Heartstone Foundation gave $874K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.1M across 4 grants.
What is The Heartstone Foundation's typical grant size?
The Heartstone Foundation's median grant in 2025 was $87,500, and its average grant was $145,652, across 6 grants on its 2025 IRS Form 990-PF.
Where does The Heartstone Foundation give grants?
The Heartstone Foundation gives mostly in New York: 57% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Massachusetts (35%) and Ohio (8%).
Does The Heartstone Foundation give general operating support?
Yes: 100% of The Heartstone Foundation's 2025 grants with a stated purpose (6 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Heartstone Foundation's largest grantees?
The Heartstone Foundation's largest 2025 grantees include American Friends of Magen David Adom ($500,000), Concord Academy ($100,000) and The Belmont School ($90,000), according to its 2025 IRS Form 990-PF. Together they received 79% of its itemized 2025 grant dollars.
How large is The Heartstone Foundation?
The Heartstone Foundation reported $13.7M in total assets on its 2025 IRS Form 990-PF. It paid out $881K in qualifying distributions that year, against a required minimum of $922K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
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 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Here's the math on researching The Heartstone Foundation by hand.
Explore Open Grants
Browse active grant opportunities in The Heartstone Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Cleveland H Dodge Foundation Inc
New York, NY
The Cleveland H. Dodge Foundation funds community services and education, especially early-childhood, teacher-development, and out-of-school programs serving under-resourced youth. Its 2024 grants ranged from $50 to $142,857, with a median of $1,000, and it generally supports organizations in the New York City metropolitan area. It accepts Letters of Inquiry at any time; organizations must register online before submitting.
Assets
$72.4M
Grants
293
Total Given
$2.1M
The Stolper Family Foundation
Austin, TX
The Stolper Family Foundation supports a broad range of charitable organizations, including churches, education, food assistance, animal welfare, arts, and community services. In 2024, it made 48 grants totaling $115,403; grants ranged from $17 to $30,000, with a median of $1,006, and most funding went to Texas. It contributes only to preselected organizations and does not accept unsolicited requests.
Assets
$949K
Grants
48
Total Given
$115K
The Chicago Community Trust
Chicago, IL
The Chicago Community Trust funds nonprofits addressing economic mobility, wealth gaps, and urgent community needs, with priorities including homeownership, small businesses, education, quality jobs, and investment in underinvested communities. Its 2025 itemized grants had a median of $26,500, though awards vary widely; grants generally benefit Chicago-region residents, and the Trust directs applicants to open opportunities but does not state whether it accepts unsolicited requests.
Assets
$7.1B
Grants
4,316
Total Given
$1.2B
Boston Foundation Inc
Boston, MA
The Boston Foundation funds equity-focused work in child well-being, economic opportunity, community wealth, and community leadership, primarily in Greater Boston. Its 2025 grants had a median of $25,000, while specific programs offer awards from up to $15,000 to $50,000; it accepts applications through some competitive initiatives, but whether it accepts unsolicited requests generally is not stated.
Assets
$2.1B
Grants
2,375
Total Given
$228.4M
Eastern Bank Foundation
Wakefield, MA
Eastern Bank Foundation funds systemic efforts to advance economic inclusion and mobility, including small-business equity, early childhood development, affordable housing, and workforce development. Its programs range from $1,000–$10,000 for Community Donations, up to $15,000 for CITC Grants, and $50,000–$150,000 for Impact Grants; it supports organizations primarily in Massachusetts, New Hampshire, and Rhode Island. The foundation accepts online applications, with no specific submission deadlines stated.
Assets
$266.7M
Grants
1,786
Total Given
$19.0M
Barr Foundation
Boston, MA
Barr Foundation funds arts and creativity, climate, education, and related initiatives, primarily supporting organizations and leaders in New England. Its 2024 grants ranged from $100 to $3.275 million, with a median of $80,000. It welcomes inquiries through program pages and occasionally issues open requests for proposals; most grants go to returning partners.
Assets
$1.9B
Grants
903
Total Given
$123.2M
Liberty Mutual Foundation Inc
Boston, MA
Liberty Mutual Foundation funds nonprofits working on basic needs such as food and shelter, education and workforce development, and climate and community infrastructure, primarily in the Boston area, with grants also made in other states. Its 2024 grants had a median of $35,000 and ranged from $2,500 to $11 million; it accepts online applications on a rolling basis, with no stated deadlines.
Assets
$46.1M
Grants
706
Total Given
$50.6M
Cummings Foundation Grants Inc (Fka Oneworld Boston Inc)
Woburn, MA
The foundation supports nonprofits focused on human services, education, healthcare, fairness and justice, and environmental causes, primarily in greater Boston and eastern Massachusetts, with limited support for Rwanda’s recovery. Its 2024 grants ranged from $1,000 to $3.5 million, with a median of $35,000; it accepts letters of inquiry through an online portal for its local grant program.
Assets
$258.2M
Grants
658
Total Given
$38.2M
American Tower Corporation Foundation
Boston, MA
Assets
$15.4M
Grants
632
Total Given
$1.7M
Good Sports Inc
Braintree, MA
Good Sports provides free sports equipment, footwear, and apparel to established schools and community organizations running ongoing youth sports and physical-activity programs in high-need communities; it serves all 50 states and Puerto Rico. In 2025, grants ranged from $5,004 to $229,133, with a median of $12,781. Youth programs and schools can apply through its community-organization application process.
Assets
$13.8M
Grants
619
Total Given
$11.2M
The Stephen Phillips Memorial
Boston, MA
The Stephen Phillips Memorial funds need- and merit-based scholarships for bachelor’s students, generally awarding $3,000–$17,000 (with typical annual awards of $6,000–$10,000). Applicants must be permanent residents of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, or Vermont, but may attend college anywhere in the United States. Students apply through the online portal; the profile does not state whether unsolicited requests are accepted.
Assets
$41.6M
Grants
520
Total Given
$5.1M
More Funders in Massachusetts
The Heartstone Foundation down — hundreds of funders to go?