Private foundation · EIN 85-3902996 · Sandy Springs, Georgia · Philanthropy & grantmaking

Three Sibs 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: 17 grants paid, $323K total, median $7,500. 24% of grants stayed in Georgia.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
17
$323K
Median grant
$7,500
Stays in GA
24%
of grants
Deadline
—
Assets
$17M

Grants paid in 2025

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

RecipientPurposeAmount
Atlanta Botanical GardenAtlanta, GACapital campaign support$167K
Pro Publica IncNew York, NYGeneral operating support$25K
Abilis IncGreenwich, CTGeneral operating support$20K
Cox Employee Relief Fund IncAtlanta, GAGeneral operating support$20K
350 OrgBrooklyn, NYGeneral operating support$10K
Cape Cod Children's Place IncNorth Eastham, MAGeneral operating support$10K
Natural Resources Defense CouncilNew York, NYGeneral operating support$10K
Shepherd Center Foundation IncAtlanta, GASupport for the scholarship fund$10K
Endeavor Therapeutic Horsemanship IncMount Kisco, NYGeneral operating support$7,500
Greening Youth Foundation IncAtlanta, GAGeneral operating support$7,500
One Family MemphisMemphis, TNSupport for memphis rox$7,500
Bridge21 Park City CorpPark City, UTGeneral operating support$5,000
Coffee for Good IncGreenwich, CTGeneral operating support$5,000
Family Centers IncGreenwich, CTGeneral operating support$5,000
Good Beginnings of Central VermontMontpelier, VTGeneral operating support$5,000
Onward a Legacy FoundationCortez, COSupport for southwest community justice coalition$5,000
Boys & Girls Club of Greenwich IncGreenwich, CTGeneral operating support$3,500

By state: Georgia 4 · New York 4 · Connecticut 4 · Massachusetts 1 · Tennessee 1 · Utah 1

About this foundation

Three Sibs Foundation Inc is a private grantmaking foundation in Sandy Springs, Georgia, administered in care of Nancy K Rigby, tax-exempt since 2021. 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 Three Sibs 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 Three Sibs Foundation Inc give each year?

In tax year 2025 it paid $323K across 17 grants, a median of $7,500.

Where does Three Sibs Foundation Inc give?

Georgia (4 grants), New York (4 grants), Connecticut (4 grants) and elsewhere, per its latest filing.

More foundations near Sandy Springs that accept applications

All in Georgia
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Zalik Family Foundation Incsince 2018 Sandy Springs, GA $225K32 grants · 2025 $875Preselected only $37M
The Hanley Family Foundation Incsince 1987 Sandy Springs, GA $2.3M6 grants · 2024 $38KYes $36M
The Ruffwood Foundationsince 1997 Sandy Springs, GA $1.7M13 grants · 2025 $20KPreselected only $28M
Ann and Buck Woodruff Family Foundation Incsince 2022 Sandy Springs, GA $887K16 grants · 2025 $26KPreselected only $28M
K Squared Foundation Incsince 2014 Sandy Springs, GA $696K8 grants · 2025 $46KPreselected only $12M
Roderick Seward Flossie Ratcliff and Helen M Galloway Foundationsince 1995 Sandy Springs, GA $379K50 grants · 2024 $2,000Preselected only $7.4M
Pranan Foundation Incsince 2018 Sandy Springs, GA $274K37 grants · 2024 $7,500Preselected only $4.7M
Frank Family Foundation Incsince 1994 Sandy Springs, GA $419K49 grants · 2025 $2,000Preselected only $4.6M
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