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Grant funders / Delaware / Three Sisters Foundation

Three Sisters Foundation

Wilmington, Delaware  ·  EIN 900914803  ·  Private foundation

Based in Wilmington, Delaware, Three Sisters Foundation has awarded $18.5M across 29 grants in our index of public IRS filings, with giving recorded as recently as 2024. Its largest grant on record went to Massachusetts General Hospital. This profile covers its focus areas, top grant recipients, year-by-year giving, and how a nonprofit should approach it.

$1.2M
Annual giving (FY2020)
$28.6M
Total assets
29
Grants tracked
2024
Most recent grant

What Three Sisters Foundation funds

Three Sisters Foundation's giving carries a documented focus on health care, higher education.

Health CareHigher Education

Grant history

The largest grants Bespoke Grants has on record for Three Sisters Foundation, by amount:

RecipientLocationGrantYear
Massachusetts General Hospital
UNRESTRICTED
Boston, MA$10.0M2023
Urban School of San Francisco
UNRESTRICTED
San Francisco, CA$1.0M2018
University of Chicago
UNRESTRICTED
Chicago, IL$1.0M2022
International Rescue Committee
UNRESTRICTED
New York, NY$1.0M2023
International Rescue Committee
UNRESTRICTED
New York, NY$800K2022
International Rescue Committee
UNRESTRICTED
New York, NY$680K2020
Urban School of San Francisco
UNRESTRICTED
San Francisco, CA$515K2017
University of Chicago
UNRESTRICTED
Chicago, IL$500K2023
International Rescue Committee
UNRESTRICTED
New York, NY$350K2018
University of Chicago
UNRESTRICTED
Chicago, IL$320K2020
International Rescue Committee
UNRESTRICTED
New York, NY$300K2017
Hamilton College
UNRESTRICTED
Clinton, NY$250K2017
University of Chicago
UNRESTRICTED
Chicago, IL$200K2017
University of Chicago
UNRESTRICTED
Chicago, IL$200K2018
Vanguard Charitable Endowment Progr
UNRESTRICTED
Warwick, RI$200K2024

Three Sisters Foundation giving by year

Total grants Bespoke Grants has indexed for each filing year:

2017$1.3M
2018$1.6M
2020$1.2M
2022$2.0M
2023$12.0M
2024$330K

How to apply for funding from Three Sisters Foundation

Three Sisters Foundation's public IRS filing does not spell out a formal application process. Foundations of this size often give primarily to organizations they already know, so a concise letter of inquiry or a warm introduction is usually the best first contact — not a full proposal.

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Frequently asked questions about Three Sisters Foundation

Does Three Sisters Foundation accept grant applications?
Three Sisters Foundation's public filing does not specify an application process. A brief letter of inquiry or a warm introduction is usually the best first step with a private foundation of this size.
What does Three Sisters Foundation fund?
Three Sisters Foundation's grants focus on health care. Recent recipients include Massachusetts General Hospital, Urban School of San Francisco, University of Chicago. Its full grant history is listed above.
How much does Three Sisters Foundation give in grants?
Three Sisters Foundation reported $1.2M in grants in its most recent IRS filing (FY2020). Across all years in our data it has awarded $18.5M over 29 grants.
Where is Three Sisters Foundation located?
Three Sisters Foundation is based in Wilmington, Delaware. Its IRS employer identification number (EIN) is 900914803.
How can I find foundations similar to Three Sisters Foundation?
Bespoke Grants matches your nonprofit against 225,000+ foundations like Three Sisters Foundation, ranking each by how well it fits your mission, location, and budget — with the reasoning shown. It is free to search.

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Foundations similar to Three Sisters Foundation

Other Delaware grantmakers with overlapping priorities:

About this profile. This page is built from Three Sisters Foundation's public IRS Form 990-PF and 990 filings, indexed by Bespoke Grants alongside 13M+ grants from 225,000+ U.S. foundations. Grant figures reflect filings available to date; IRS data publishes on a 1–2 year lag. Bespoke Grants is not affiliated with Three Sisters Foundation. Always confirm current giving priorities and application procedures with the foundation directly before applying.