Foundations · IRS 990 filings

Foundations in Lake Forest, Illinois

74
foundations with a Lake Forest address
$124.6M
grants paid, FY2023–FY2025
10
say they accept unsolicited
$10,000
median grant

Grantlas lists 74 private foundations that gave a Lake Forest, Illinois address on their 990-PF, from filings for FY2023–FY2025. Together they paid out $124.6 million in grants in their latest filing year, and 10 of them (14%) say they accept unsolicited requests.

Not every foundation here is a Lake Forest 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 74 foundations

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

Foundations in Lake Forest, Illinois
The Virginia A Groot FoundationAccepts$30,000$12.9M$5,000–$12.6MFY2024Locked: fit score and contacts
Mary and Ralph Gesualdo FamilyAccepts$16,000$2.1M$15–$625,000FY2025Locked: fit score and contacts
Butler Family FoundationAccepts$14,716$1.8M$3,000–$451,650FY2025Locked: fit score and contacts
James & Madeleine McMullan Family FoundationAccepts$5,000$1.6M$205–$535,000FY2025Locked: fit score and contacts
Fred B Snite FoundationAccepts$25,195$1.1M$10,000–$125,000FY2024Locked: fit score and contacts
Grant Hospital of ChicagoAccepts$30,000$978,000$15,000–$60,000FY2025Locked: fit score and contacts
The Frye FoundationAccepts$16,000$862,588$8,000–$820,908FY2025Locked: fit score and contacts
David D & Mary F Grumhaus FundAccepts$1,000$223,531$100–$28,514FY2024Locked: fit score and contacts
Irene M & Milton R Weed FoundationAccepts$15,000$100,000$5,000–$35,000FY2024Locked: fit score and contacts
Michael Moore Family FoundationAccepts$6,250$12,500$1,500–$10,000FY2025Locked: fit score and contacts
John and Kathleen Schreiber FoundationInvitation only$262,500$32.4M$15,000–$3MFY2024Locked: fit score and contacts
The Grainger Foundation IncInvitation only$21.1M$21.8M$20.4M–$21.8MFY2025Locked: fit score and contacts
Hedberg Foundation IncInvitation only$3M$8.3M$2.3M–$3MFY2024Locked: fit score and contacts
Ed Uihlein Family FoundationInvitation only$10,000$7.4M$250–$1MFY2024Locked: fit score and contacts
Knight Impact PartnersInvitation only$50,000$5.1M$1,500–$1MFY2024Locked: fit score and contacts
United Airlines Pilots RetirementInvitation only$432,673$4.3M$12,000–$2.2MFY2024Locked: fit score and contacts
Amy Falls and Hartley Rogers FoundationInvitation only$1.5M$2.8M$169,000–$2.8MFY2025Locked: fit score and contacts
The Buchanan Family FoundationInvitation only$10,000$2.5M$1,000–$100,000FY2025Locked: fit score and contacts
National Recreation FoundationInvitation only$20,000$2.4M$1,000–$160,000FY2025Locked: fit score and contacts
William H & Lois J McEssy FoundationInvitation only$250,000$2.1M$5,000–$550,000FY2024Locked: fit score and contacts
Trustmark FoundationInvitation only$2,500$1.8M$28–$177,500FY2025Locked: fit score and contacts
Walter C Dissen Charitable TrustInvitation only$12,301$1.3M$50–$484,000FY2024Locked: fit score and contacts
Crain-Maling FoundationInvitation only$5,000$1.2M$100–$165,000FY2024Locked: fit score and contacts
Sachs Family FoundationInvitation only$17,500$824,239$3,000–$166,666FY2024Locked: fit score and contacts
Reichert FoundationInvitation only$10,000$774,000$1,250–$74,000FY2025Locked: 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.

49 more foundations — see all in Grantlas

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