Private foundation · EIN 20-6197750 · Brookline, Massachusetts · Philanthropy & grantmaking

Heartstone Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 6 grants paid, $874K total, median $88K. 67% of grants stayed in Massachusetts.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
6
$874K
Median grant
$88K
Stays in MA
67%
of grants
Deadline
—
Assets
$14M

Grants paid in 2025

6 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
American Friends of Magen David AdomNew York, NYGeneral charitable support$500K
Concord AcademyConcord, MAGeneral charitable support$100K
The Belmont SchoolDeerfield, MAGeneral charitable support$90K
Eagle Foundation of MassachusettsHardwick, MAGeneral charitable support$85K
Fidelity CharitableCincinnati, OHGeneral charitable support$70K
Temple Ohabei ShalomBrookline, MAGeneral charitable support$29K

By state: New York 1 · Massachusetts 4 · Ohio 1

About this foundation

Heartstone Foundation is a private grantmaking foundation in Brookline, Massachusetts, administered in care of Deloitte Tax P Crafton, tax-exempt since 2004. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Heartstone Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Heartstone Foundation give each year?

In tax year 2025 it paid $874K across 6 grants, a median of $88K.

Where does Heartstone Foundation give?

New York (1 grants), Massachusetts (4 grants), Ohio (1 grants), per its latest filing.

More foundations near Brookline that accept applications

All in Massachusetts
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Goldberg & Kaiser Family Foundationsince 2016 Brookline, MA $191K35 grants · 2025 $1,000Yes $4.7M
Michael S Rudyak Memorial Fundsince 2009 Brookline, MA $192K8 grants · 2025 $6,500Yes $3.9M
Susan F Schiro and Peter J Manus Foundationsince 1993 Brookline, MA $299K8 grants · 2024 $50KYes $3.2M
Email me matching grants