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Heartstone Foundation

Grantmaking foundation in Brookline, Massachusetts · EIN 20-6197750

Grants itemized on the 990
$870KTax year 2025
Grants made
6Tax year 2025
Total assets
$14MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Giving by year

$570K2019
$800K2020
$830K2021
$960K2022
$1M2023
$1.1M2024
$870K2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
American Friends of Magen David Adom$500K2025
Concord Academy$100K2025
The Belmont School$90K2025
Eagle Foundation of Massachusetts$85K2025
Fidelity Charitable$70K2025

Amounts are rounded. The full grantee list (6 grants in 2025) is available with a free account.

See the full profile. All grants with amounts and years, board and officers, contact details, giving patterns and your organization's fit score are available with a free GrantAuthority account.

Similar foundations in Massachusetts

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.