Funding search · EIN 363712587 · Chicago, IL
Sirius Fund
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 290
- grants reported
- $4.1M
- total given
- 2022–2024
- filing years
- $2,500
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Shedd Aquarium4 grants · $330,000
- Sun Valley Music Festival4 grants · $323,500
- Rush University Medical Center4 grants · $302,690
- The Advocates4 grants · $300,000
- Merit School of Music6 grants · $291,125
- National Forest Foundation4 grants · $275,000
- Childrens Advocacy of North and Northwest Cook County4 grants · $216,340
- The Community Library3 grants · $175,000
- North Shore Country Day School4 grants · $126,670
- Boulder Community Health Foundation3 grants · $120,000
Giving over time
Grant history
The 100 largest of 290 grants.
- $212,000
Sun Valley Music Festival · Sun Valley, ID · 2022
To support charitable purpose
- $125,000
National Forest Foundation · Missoula, MT · 2023
To support charitable purpose
- $125,000
The Advocates · Hailey, ID · 2023
To support charitable purpose
- $110,000
Shedd Aquarium · Chicago, IL · 2023
To support charitable purpose
- $110,000
Shedd Aquarium · Chicago, IL · 2022
To support charitable purpose
- $108,000
Merit School of Music · Chicago, IL · 2024
To support charitable purpose
- $104,670
North Shore Country Day School · Winnetka, IL · 2022
To support charitable purpose
- $100,190
Rush University Medical Center · Chicago, IL · 2023
To support charitable purpose
- $100,000
National Forest Foundation · Missoula, MT · 2024
To support charitable purpose
- $100,000
Rush University Medical Center · Chicago, IL · 2024
To support charitable purpose
- $100,000
Shedd Aquarium · Chicago, IL · 2024
To support charitable purpose
- $100,000
The Advocates · Hailey, ID · 2024
To support charitable purpose
- $100,000
Rush University Medical Center · Chicago, IL · 2022
To support charitable purpose
- $85,000
Childrens Advocacy of North and Northwest Cook County · Hoffman Estates, IL · 2022
To support charitable purpose
- $75,000
Loyola University Chicago - Gift Processing · Carol Stream, IL · 2024
To support charitable purpose
- $75,000
The Community Library · Ketchum, ID · 2024
To support charitable purpose
- $75,000
The Community Library · Ketchum, ID · 2023
To support charitable purpose
- $72,100
Merit School of Music · Chicago, IL · 2023
To support charitable purpose
- $62,500
Sun Valley Music Festival · Sun Valley, ID · 2024
To support charitable purpose
- $60,000
Childrens Advocacy of North and Northwest Cook County · Hoffman Estates, IL · 2023
To support charitable purpose
- $51,000
Merit School of Music · Chicago, IL · 2022
To support charitable purpose
- $50,000
Merit School of Music · Chicago, IL · 2024
To support charitable purpose
- $50,000
Rosalind Franklin University (Attn Wendy Rheault) · North Chicago, IL · 2024
To support charitable purpose
- $50,000
St Luke'S Wood River Foundation · Ketchum, ID · 2024
To support charitable purpose
- $50,000
Boulder Community Health Foundation · Boulder, CO · 2023
To support charitable purpose
- $50,000
Chicago Community Sculling · Chicago, IL · 2023
To support charitable purpose
- $50,000
Loyola University Chicago · Carol Stream, IL · 2023
To support charitable purpose
- $50,000
Wood River Land Trust · Hailey, ID · 2023
To support charitable purpose
- $50,000
Boulder Community Health Foundation · Boulder, CO · 2022
To support charitable purpose
- $50,000
The Advocates · Hailey, ID · 2022
To support charitable purpose
- $40,000
Childrens Advocacy of North and Northwest Cook County · Hoffman Estates, IL · 2024
To support charitable purpose
- $31,340
Childrens Advocacy of North and Northwest Cook County · Hoffman Estates, IL · 2024
To support charitable purpose
- $30,000
Semester at Sea · Fort Collins, CO · 2024
To support charitable purpose
- $30,000
Marine Biological Laboratory · Woods Hole, MA · 2023
To support charitable purpose
- $30,000
Semester at Sea · Fort Collins, CO · 2023
To support charitable purpose
- $30,000
Semester at Sea · Fort Collins, CO · 2022
To support charitable purpose
- $25,050
Nch Center for Philanthropy · Naples, FL · 2023
To support charitable purpose
- $25,000
Chicago Community Sculling · Chicago, IL · 2024
To support charitable purpose
- $25,000
Loyola University Chicago - Gift Processing · Carol Stream, IL · 2024
To support charitable purpose
- $25,000
National Forest Foundation · Missoula, MT · 2024
To support charitable purpose
- $25,000
Nature Conservancy - Idaho · Hailey, ID · 2024
To support charitable purpose
- $25,000
Nch Center for Philanthropy · Naples, FL · 2024
To support charitable purpose
- $25,000
The Advocates · Hailey, ID · 2024
To support charitable purpose
- $25,000
The Hunger Coalition · Bellevue, ID · 2024
To support charitable purpose
- $25,000
Wonderbound · Denver, CO · 2024
To support charitable purpose
- $25,000
Wood River Land Trust · Hailey, ID · 2024
To support charitable purpose
- $25,000
Nature Conservancy - Idaho · Hailey, ID · 2023
To support charitable purpose
- $25,000
Rosalind Franklin University · North Chicago, IL · 2023
To support charitable purpose
- $25,000
St Luke'S Wood River Foundation · Ketchum, ID · 2023
To support charitable purpose
- $25,000
The Hunger Coalition · Bellevue, ID · 2023
To support charitable purpose
- $25,000
Erikson Institute · Chicago, IL · 2022
To support charitable purpose
- $25,000
National Forest Foundation · Missoula, MT · 2022
To support charitable purpose
- $25,000
Nature Conservancy - Idaho · Hailey, ID · 2022
To support charitable purpose
- $25,000
Nature Conservancy - Idaho (Stalker Creek Pledge) · Hailey, ID · 2022
To support charitable purpose
- $25,000
Nch Center for Philanthropy · Naples, FL · 2022
To support charitable purpose
- $25,000
St Luke'S Wood River Foundation · Ketchum, ID · 2022
To support charitable purpose
- $25,000
The Community Library · Ketchum, ID · 2022
To support charitable purpose
- $25,000
Wood River Land Trust · Hailey, ID · 2022
To support charitable purpose
- $24,500
Sun Valley Music Festival · Sun Valley, ID · 2024
To support charitable purpose
- $24,500
Sun Valley Music Festival · Sun Valley, ID · 2023
To support charitable purpose
- $20,000
Boulder Community Health Foundation · Boulder, CO · 2024
To support charitable purpose
- $20,000
The Naples Players · Naples, FL · 2024
To support charitable purpose
- $15,000
Wonderbound · Denver, CO · 2023
To support charitable purpose
- $12,000
North Shore Country Day School · Winnetka, IL · 2024
To support charitable purpose
- $12,000
Grant Park Music Festival · Chicago, IL · 2023
To support charitable purpose
- $10,100
Cystic Fibrosis · Bethesda, MD · 2023
To support charitable purpose
- $10,100
Cystic Fibrosis · Bethesda, MD · 2022
To support charitable purpose
- $10,000
Art Institute of Chicago · Chicago, IL · 2024
To support charitable purpose
- $10,000
Artis Naples · Naples, FL · 2024
To support charitable purpose
- $10,000
Community Food Share · Louisville, CO · 2024
To support charitable purpose
- $10,000
Cystic Fibrosis · Bethesda, MD · 2024
To support charitable purpose
- $10,000
Greater Chicago Food Depository · Chicago, IL · 2024
To support charitable purpose
- $10,000
Harry Chapin Food Bank · Fort Myers, FL · 2024
To support charitable purpose
- $10,000
Joffrey Ballet · Chicago, IL · 2024
To support charitable purpose
- $10,000
Lafayette College · Easton, PA · 2024
To support charitable purpose
- $10,000
Merit School of Music · Chicago, IL · 2024
To support charitable purpose
- $10,000
Millenium Park Foundation · Chicago, IL · 2024
To support charitable purpose
- $10,000
Shedd Aquarium · Chicago, IL · 2024
To support charitable purpose
- $10,000
The Center for Enriched Learning · Riverwoods, IL · 2024
To support charitable purpose
- $10,000
Art Institute of Chicago · Chicago, IL · 2023
To support charitable purpose
- $10,000
Artis Naples · Naples, FL · 2023
To support charitable purpose
- $10,000
Better Government Association · Chicago, IL · 2023
To support charitable purpose
- $10,000
Chicago Botanic Garden · Gencoe, IL · 2023
To support charitable purpose
- $10,000
Community Food Share · Louisville, CO · 2023
To support charitable purpose
- $10,000
Greater Chicago Food Depository · Chicago, IL · 2023
To support charitable purpose
- $10,000
Harry Chapin Food Bank · Fort Myers, FL · 2023
To support charitable purpose
- $10,000
Millenium Park Foundation · Chicago, IL · 2023
To support charitable purpose
- $10,000
Artis Naples · Naples, FL · 2022
To support charitable purpose
- $10,000
Chicago Botanic Garden · Gencoe, IL · 2022
To support charitable purpose
- $10,000
Community Food Share · Louisville, CO · 2022
To support charitable purpose
- $10,000
Greater Chicago Food Depository · Chicago, IL · 2022
To support charitable purpose
- $10,000
Harry Chapin Food Bank · Fort Myers, FL · 2022
To support charitable purpose
- $10,000
Millenium Park Foundation · Chicago, IL · 2022
To support charitable purpose
- $10,000
Ravinia Festival · Highland Park, IL · 2022
To support charitable purpose
- $10,000
The Hunger Coalition · Bellevue, ID · 2022
To support charitable purpose
- $8,500
Max McGraw Wildlife Foundation · Dundee, IL · 2023
To support charitable purpose
- $8,500
Max McGraw Wildlife Foundation · Dundee, IL · 2022
To support charitable purpose
- $8,350
Ravinia Festival · Highland Park, IL · 2023
To support charitable purpose
- $7,500
Max McGraw Wildlife Foundation · Dundee, IL · 2024
To support charitable purpose
- $7,500
Ravinia Festival · Highland Park, IL · 2024
To support charitable purpose
Who else funds this kind of work
Same state
- John D and Catherine T MacArthur Foundation (Consolidated)7,100 grants · $1.67B
- The Chicago Community Trust14,939 grants · $5.82B
- The Big Ten Conference60 grants · $3.91B
Similar purposes
- The Todd Brock Family Foundation48 grants · $6.2M
- Nash Charity Foundation188 grants · $5.8M
- Jenny Johnson Family Foundation195 grants · $7.7M
Similar grant size
- Enterprise Holdings Foundation30,880 grants · $360.4M
- State Employees Credit Union Foundation7,131 grants · $63.0M
- Publix Super Markets Charities6,333 grants · $108.7M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.