Private foundation · EIN 47-5601594 · Longboat Key, Florida · Philanthropy & grantmaking

Stone Foundation Inc

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: 9 grants paid, $680K total, median $40K. 44% of grants stayed in Florida.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
9
$680K
Median grant
$40K
Stays in FL
44%
of grants
Deadline
—
Assets
$11M

Grants paid in 2025

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

RecipientPurposeAmount
Fidf-Friends of the Israel Def ForcNew York, NYIsrael defense forces across the USA$164K
The Friendship CircleWest Bloomfield, MITraining for students art lifetownfarber soul ct$150K
All Faiths Food BankSarasota, FLRun fresh sprout food truckback packvet pantry$120K
Jewish FederationBloomfield Hills, MICamp Program$75K
Selby GardenSarasota, FLSolar panel entry pond garden conservation & wat$40K
Aviva Senior LivingSarasota, FLGeneral Fund$40K
Paws With a CauseWayland, MITrain dogs for Police School$36K
Ringling College of Art DesignSarasota, FLStudent professional fundcrossing the finish line$30K
Regents of University of MichiganAnn Arbor, MIMedical research in autoimmune$25K

By state: Michigan 4 · Florida 4 · New York 1

About this foundation

Stone Foundation Inc is a private grantmaking foundation in Longboat Key, Florida, administered in care of Marcia Klein, tax-exempt since 2016. 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 Stone Foundation Inc 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 Stone Foundation Inc give each year?

In tax year 2025 it paid $680K across 9 grants, a median of $40K.

Where does Stone Foundation Inc give?

Michigan (4 grants), Florida (4 grants), New York (1 grants), per its latest filing.

More foundations near Longboat Key

All in Florida
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Arnold Simonsen Family Charitable Foundation Incsince 2008 Longboat Key, FL $1.1M47 grants · 2024 $5,000Preselected only $18M
Robert E Dods Family Foundation Incsince 2002 Longboat Key, FL $600K66 grants · 2025 $2,500Preselected only $13M
Purjes Foundationsince 2000 Longboat Key, FL $1.3M16 grants · 2025 $400Preselected only $12M
The Karafin Family Foundationsince 2015 Longboat Key, FL $517K15 grants · 2025 $1,000Preselected only $11M
Mirner Family Foundationsince 2016 Longboat Key, FL $763K5 grants · 2025 $100KPreselected only $9.7M
McGrath Family Foundation Incsince 2023 Longboat Key, FL $464K9 grants · 2025 $50KPreselected only $7.0M
The Charles & Christine Shivery Foundationsince 2001 Longboat Key, FL $518K16 grants · 2025 $7,500Preselected only $5.9M
Daley Family Foundationsince 2014 Longboat Key, FL $98K17 grants · 2025 $2,200Preselected only $5.6M
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