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Foundations in
Illinois

Explore 8,738 private foundations with combined assets of $323.8B.

8,738
Foundations
$323.8B
Total Assets

Top 50 by Assets

Largest foundations headquartered in Illinois

View All
#1

ADVOCATE HEALTH AND HOSPITALS CORP

OAK BROOK, IL
E
Assets
$23.8B
Giving
-
#2

MODERN WOODMEN OF AMERICA

ROCK ISLAND, IL
Assets
$18.2B
Giving
-
#3

Northwestern Memorial HealthCare

Chicago, IL
E
Assets
$16.8B
Giving
-
#4

University of Chicago

Chicago, IL
Assets
$15.8B
Giving
-
#5

JOHN D AND CATHERINE T MACARTHUR FOUNDATION

CHICAGO, IL
T
Assets
$9.3B
Giving
-
#6

Endeavor Health Clinical Operations

Arlington Heights, IL
E
Assets
$6.8B
Giving
$154.4M
#7

OSF HEALTHCARE SYSTEM

PEORIA, IL
E
Assets
$6.3B
Giving
-
#8

University of Chicago Medical Center

Chicago, IL
E
Assets
$5.3B
Giving
-
#9

Rush University Medical Center

Chicago, IL
E
Assets
$4.7B
Giving
-
#10

LOYOLA UNIVERSITY MEDICAL CENTER

MAYWOOD, IL
E
Assets
$4.6B
Giving
-
#11

ULSE INC

EVANSTON, IL
W
Assets
$4.5B
Giving
-
#12

Ann & Robert H Lurie Children's Hospital of Chicago

CHICAGO, IL
E
Assets
$3.7B
Giving
-
#13

University of Illinois Foundation

CHAMPAIGN, IL
B
Assets
$3.3B
Giving
-
#14

The Carle Foundation

URBANA, IL
E
Assets
$3.3B
Giving
-
#15

LOYOLA UNIVERSITY OF CHICAGO

CHICAGO, IL
B
Assets
$2.6B
Giving
-
#16

ADVOCATE AURORA HEALTH INC

OAK BROOK, IL
E
Assets
$2.2B
Giving
-
#17

IH MISSISSIPPI VALLEY CREDIT UNION

MOLINE, IL
Assets
$2.2B
Giving
-
#18

MEMORIAL HEALTH SYSTEM GROUP

SPRINGFIELD, IL
Assets
$2.0B
Giving
-
#19

Midwestern University

DOWNERS GROVE, IL
B
Assets
$1.9B
Giving
-
#20

GOTTLIEB COMMUNITY HEALTH SERVICES CORPORATION

MELROSE PARK, IL
E
Assets
$1.9B
Giving
-
#21

DEPAUL UNIVERSITY

CHICAGO, IL
B
Assets
$1.8B
Giving
-
#22

SCOTT CREDIT UNION

EDWARDSVILLE, IL
Assets
$1.7B
Giving
-
#23

ADVOCATE NORTH SIDE HEALTH NETWORK

OAK BROOK, IL
E
Assets
$1.7B
Giving
-
#24

Builders Vision Foundation

Chicago, IL
T
Assets
$1.7B
Giving
-
#25

Southern Illinois Hospital Services

Carbondale, IL
E
Assets
$1.5B
Giving
-
#26

GREAT LAKES CREDIT UNION

BANNOCKBURN, IL
Assets
$1.5B
Giving
-
#27

AMERICAN MEDICAL ASSOCIATION

CHICAGO, IL
Assets
$1.5B
Giving
-
#28

ARIE AND IDA CROWN MEMORIAL

CHICAGO, IL
Assets
$1.4B
Giving
-
#29

Rehabilitation Institute of Chicago

CHICAGO, IL
E
Assets
$1.3B
Giving
-
#30

THE JOYCE FOUNDATION

CHICAGO, IL
T
Assets
$1.3B
Giving
-
#31

BLUE CROSS BLUE SHIELD ASSOCIATION

CHICAGO, IL
E
Assets
$1.2B
Giving
-
#32

SwedishAmerican Hospital

Rockford, IL
E
Assets
$1.2B
Giving
$242K
#33

CATHOLIC ORDER OF FORESTERS

Naperville, IL
Assets
$1.2B
Giving
-
#34

SARAH BUSH LINCOLN HEALTH CENTER

MATTOON, IL
E
Assets
$1.2B
Giving
-
#35

UNDERWRITERS LABORATORIES INC

EVANSTON, IL
W
Assets
$1.1B
Giving
-
#36

THE BARACK OBAMA FOUNDATION

CHICAGO, IL
A
Assets
$1.1B
Giving
$4.7M
#37

Silver Cross Hospital and Medical Centers

New Lenox, IL
E
Assets
$1.1B
Giving
-
#38

National Association of Realtors

Chicago, IL
Assets
$1.1B
Giving
-
#39

ABBOTT LABORATORIES EMPLOYEES CREDIT UNION (ALEC)

GURNEE, IL
W
Assets
$1.0B
Giving
-
#40

MISERICORDIA HOME

CHICAGO, IL
P
Assets
$979.4M
Giving
-
#41

ELKS NATIONAL FOUNDATION INC

CHICAGO, IL
T
Assets
$954.1M
Giving
$26.1M
#42

FIELD MUSEUM OF NATURAL HISTORY

CHICAGO, IL
A
Assets
$932.9M
Giving
-
#43

BLESSING HOSPITAL

QUINCY, IL
E
Assets
$859.7M
Giving
-
#44

RIVERSIDE MEDICAL CENTER

KANKAKEE, IL
E
Assets
$833.5M
Giving
-
#45

JAVON BEA HOSPITAL

ROCKFORD, IL
E
Assets
$831.4M
Giving
-
#46

IFF

Chicago, IL
S
Assets
$828.3M
Giving
-
#47

ST GEORGE CORPORATION

BURR RIDGE, IL
E
Assets
$808.3M
Giving
-
#48

MATHER FOUNDATION

EVANSTON, IL
E
Assets
$807.6M
Giving
-
#49

SHEDD AQUARIUM SOCIETY

CHICAGO, IL
D
Assets
$780.1M
Giving
-
#50

AMERICAN COLLEGE OF SURGEONS

CHICAGO, IL
B
Assets
$773.0M
Giving
-
Search All 8,738 Illinois Foundations

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GrantLedger

Helping nonprofits find funding.

Grantwriting

  • Our service
  • How it works
  • FAQs
  • See if you’re eligible

Research & tools

  • The Ledger
  • Compensation Report
  • Search
  • Search pricing
  • Browse foundations
  • Browse by category

About

  • Our story
  • Past internship program
Contact

© 2026 LC Ventures Holdings LLC

Privacy PolicyTerms of Service