Foundations · IRS 990 filings

Foundations in Winnetka, Illinois

51
foundations with a Winnetka address
$23.7M
grants paid, FY2023–FY2025
5
say they accept unsolicited
$5,005
median grant

Grantlas lists 51 private foundations that gave a Winnetka, Illinois address on their 990-PF, from filings for FY2023–FY2025. Together they paid out $23.7 million in grants in their latest filing year, and 5 of them (10%) say they accept unsolicited requests.

Not every foundation here is a Winnetka foundation. The city is the mailing address on the foundation’s tax filing, and when a bank or a law firm runs the trust that is the bank’s address, not the place it gives to. Check where a foundation gives before you write.

Top 25 of 51 foundations

Ranked by what they paid in grants in their latest filing, with the ones that accept unsolicited requests first.

Foundations in Winnetka, Illinois
Tinberg FoundationAccepts$6,250$1M$250–$450,000FY2025Locked: fit score and contacts
Golder Family FoundationAccepts$5,000$537,200$1,000–$75,000FY2025Locked: fit score and contacts
Eisen Family FoundationAccepts$10,000$256,000$5,000–$75,000FY2025Locked: fit score and contacts
The Frezados Masius RiegerAccepts$2,000$207,075$500–$55,000FY2025Locked: fit score and contacts
Ken & Susan Meyer Family FoundationAccepts$7,500$30,000$2,500–$7,500FY2024Locked: fit score and contacts
John D and Alexandra Nichols FamilyInvitation only$10,000$5.6M$100–$3.8MFY2025Locked: fit score and contacts
Bobbie and Stanton CookInvitation only$60,000$2.7M$5,000–$850,000FY2025Locked: fit score and contacts
The John C and Carolyn Noonan ParmerInvitation only$25,000$1.6M$5,000–$200,000FY2025Locked: fit score and contacts
Hurley Family FoundationInvitation only$11,061$1.5M$1,000–$1.5MFY2025Locked: fit score and contacts
Sargent Family FoundationInvitation only$10,000$1.5M$5,000–$350,000FY2024Locked: fit score and contacts
Paul Bechtner FoundationInvitation only$10,000$1.5M$1,000–$220,400FY2025Locked: fit score and contacts
Berlin Family FundInvitation only$5,000$1.2M$500–$1MFY2025Locked: fit score and contacts
Kemper Educational and Charitable FundInvitation only$1,500$661,850$100–$100,000FY2024Locked: fit score and contacts
Quercia FoundationInvitation only$570,000$570,000—FY2024Locked: fit score and contacts
Filip Family FoundationInvitation only$450,000$450,000—FY2024Locked: fit score and contacts
Glerum Family FoundationInvitation only$6,250$413,133$650–$200,000FY2025Locked: fit score and contacts
Gantz Family FoundationInvitation only$10,000$402,500$1,000–$115,000FY2025Locked: fit score and contacts
The Ramamurthy FoundationInvitation only$372,580$372,580—FY2025Locked: fit score and contacts
Corcoran Family FoundationInvitation only$2,750$335,531$205–$43,320FY2024Locked: fit score and contacts
Red Lodge FoundationInvitation only$5,000$321,249$27–$55,128FY2024Locked: fit score and contacts
The Hibel Family FoundationInvitation only$7,600$292,475$540–$75,000FY2025Locked: fit score and contacts
Jerome Stone Legacy FoundationInvitation only$2,100$287,528$100–$65,255FY2025Locked: fit score and contacts
Craig J Umans Family FoundationInvitation only$1,900$216,000$1,000–$145,000FY2025Locked: fit score and contacts
Loeb Family Foundation IncInvitation only$1,000$189,460$200–$30,000FY2025Locked: fit score and contacts
The Potter's Clay FoundationInvitation only$25,000$170,000$5,000–$30,000FY2025Locked: fit score and contacts
  • Median grant and grant range come from the 990-PF grant schedule; a dash means there is none to report.
  • “One grant” means a schedule with a single grant — no median, nothing to range over. “One amount” means several grants, all the same size.

26 more foundations — see all in Grantlas

Data from 990-PF filings, FY2023–FY2025. Updated November 8, 2026.