Data / Foundation grants / Hamill Family Foundation
Hamill Family Foundation: 132 grants to organizations, $50.2 million (tax year ended December 2024)
Hamill Family Foundation, a private foundation in Chicago, IL, paid 132 grants to organizations totaling $50,188,807 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 17, 2025. The largest was $10,862,968 to Hamill Charitable Trust - NT 03-18125 in Chicago, IL for transfer of assets to successor private foundation(see attachment d).
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- EIN
- 366096808
- Based in
- Chicago, IL
- Assets
- $0
- Grants paid
- $50,188,807
- Tax year ended
- December 2024
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 17, 2025, IRS object ID 202543219349104359. It reported $50,188,807 in grants paid; 132 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Hamill Charitable Trust - NT 03-18125 | Chicago, IL | Transfer of Assets to Successor Private Foundation(See Attachment D) | $10,862,968 | apps.irs.gov | |
| The Corwith Fund - NT 03-18125 | Chicago, IL | Transfer of Assets to Successor Private Foundation(see Attachment A) | $10,862,941 | apps.irs.gov | |
| Carwythen Charitable Trust - NT 03-18125 | Chicago, IL | Transfer of Assets to Successor Private Foundation(See Attachment E) | $10,862,038 | apps.irs.gov | |
| Openlands | Chicago, IL | Nature for AllEndowment | $2,400,000 | apps.irs.gov | |
| Carwythen Charitable Trust - NT 03-03604 | Chicago, IL | Transfer of Assets to Successor Private Foundation(See Attachment F) | $1,986,052 | apps.irs.gov | |
| Hamill Charitable Trust - NT 03-03604 | Chicago, IL | Transfer of Assets to Successor Private Foundation(See Attachment C) | $1,986,052 | apps.irs.gov | |
| The Corwith Fund - NT 03-03604 | Chicago, IL | Transfer of Assets to Successor Private Foundation(see Attachment B) | $1,986,052 | apps.irs.gov | |
| Environmental Law & Policy Center | Chicago, IL | Conservationof Natural Resourcesand Habitat Protection | $1,050,000 | apps.irs.gov | |
| The Conservation Foundation | Naperville, IL | Unrestricted | Environment | $1,000,000 | apps.irs.gov |
| Morton Arboretum | Lisle, IL | Hamill Family FoundationSecond CenturyChallenge | Environment | $668,000 | apps.irs.gov |
| Jo Daviess Conservation Foundation | Elizabeth, IL | Big Sky NatureReserve Fund | Environment | $643,911 | apps.irs.gov |
| Carwythen Charitable Trust - NT 03-18125 - Cash | Chicago, IL | Transfer of Cash to Successor Private Foundation | $376,677 | apps.irs.gov | |
| The Corwith Fund - NT 03-18125 - Cash | Chicago, IL | Transfer of Cash to Successor Private Foundation | $375,758 | apps.irs.gov | |
| Hamill Charitable Trust - NT 03-18125 - Cash | Chicago, IL | Transfer of Cash to Successor Private Foundation | $375,431 | apps.irs.gov | |
| The Corwith Fund | Chicago, IL | Transfer of LP interest in Cornelius Capital Partners LPto Successor Private Foundation | Philanthropy, voluntarism and grantmaking foundations | $340,912 | apps.irs.gov |
| Carwythen Charitable Trust | Chicago, IL | Transfer of LP interest in Cornelius Capital Partners LPto Successor Private Foundation | Philanthropy, voluntarism and grantmaking foundations | $340,909 | apps.irs.gov |
| Hamill Charitable Trust | Chicago, IL | Transfer of LP interest in Cornelius Capital Partners LPto Successor Private Foundation | $340,909 | apps.irs.gov | |
| Fidelity Investments Charitable Gift Fund | Boston, MA | Unrestricted | $322,965 | apps.irs.gov | |
| Carwythen Charitable Trust - Acct 8438 | Chicago, IL | Transfer of Cash to Successor Private Foundation | $278,315 | apps.irs.gov | |
| Hamill Charitable Trust - Acct 8438 | Chicago, IL | Transfer of Cash to Successor Private Foundation | $278,315 | apps.irs.gov | |
| The Corwith Fund - Acct 8438 | Chicago, IL | Transfer of Cash to Successor Private Foundation | $278,315 | apps.irs.gov | |
| Natural Land Institute | Rockford, IL | Lands OwnedStewardshipEndowment Fund | Environment | $250,000 | apps.irs.gov |
| Teton Regional Land Trust | Driggs, ID | Legacy of LandCampaign | Environment | $250,000 | apps.irs.gov |
| Jo Daviess Conservation Foundation | Elizabeth, IL | Strategic Inititatives, Education andOutreach Program | Environment | $225,000 | apps.irs.gov |
| Field Museum of Natural History | Chicago, IL | Keller Science CtrYouth ConservationAction Programs | Arts, culture and humanities | $166,000 | apps.irs.gov |
| Chicago Zoological Society | Brookfield, IL | Hamill FamilyNature Plaza | Animal-related | $157,994 | apps.irs.gov |
| The International Crane Foundation | Baraboo, WI | Whooping CraneConservation | Animal-related | $150,000 | apps.irs.gov |
| Carwythen Charitable Trust | Chicago, IL | Transfer of LP interest in HCS Family Fund LPto Successor Private Foundation | Philanthropy, voluntarism and grantmaking foundations | $139,431 | apps.irs.gov |
| Hamill Charitable Trust | Chicago, IL | Transfer of LP interest in HCS Family Fund LPto Successor Private Foundation | $139,431 | apps.irs.gov | |
| The Corwith Fund | Chicago, IL | Transfer of LP interest in HCS Family Fund LPto Successor Private Foundation | Philanthropy, voluntarism and grantmaking foundations | $139,431 | apps.irs.gov |
| Carwythen Charitable Trust - NT 03-03604 - Cash | Chicago, IL | Transfer of Cash to Successor Private Foundation | $130,000 | apps.irs.gov | |
| Hamill Charitable Trust - NT 03-03604 - Cash | Chicago, IL | Transfer of Cash to Successor Private Foundation | $130,000 | apps.irs.gov | |
| The Corwith Fund - NT 03-03604 - Cash | Chicago, IL | Transfer of Cash to Successor Private Foundation | $130,000 | apps.irs.gov | |
| Prairie State Conservation Coalition | Springfield, IL | OffsetAdministrativeCosts | $75,000 | apps.irs.gov | |
| Jo Daviess Conservation Foundation | Elizabeth, IL | Unrestricted | Environment | $51,000 | apps.irs.gov |
| American Horse Trials Foundation Inc | Southwick, MA | Unrestricted | Recreation and sports | $35,000 | apps.irs.gov |
| Chicago Zoological Society | Brookfield, IL | Unrestricted | Animal-related | $25,000 | apps.irs.gov |
| Hotchkiss School | Lakeville, CT | Unrestricted | Education | $25,000 | apps.irs.gov |
| Nature Conservancy of Illinois | Chicago, IL | Unrestricted | $25,000 | apps.irs.gov | |
| Openlands | Chicago, IL | ConservingLand for All | $25,000 | apps.irs.gov | |
| Naples Botanical Garden | Naples, FL | Unrestricted | Environment | $15,000 | apps.irs.gov |
| The Nature Conservancy of Adirondack | Keene, NY | Unrestricted | $13,000 | apps.irs.gov | |
| Barrington Area Conservation Trust | Barrington, IL | Unrestricted | Environment | $12,500 | apps.irs.gov |
| Barrington Area Community Foundation | Barrington, IL | Unrestricted | Philanthropy, voluntarism and grantmaking foundations | $10,000 | apps.irs.gov |
| Barrington Area Conservation Trust | Barrington, IL | Unrestricted | Environment | $10,000 | apps.irs.gov |
| Cofan Survival Fund | Oak Park, IL | Unrestricted | Environment | $10,000 | apps.irs.gov |
| Field Museum of Natural History | Chicago, IL | Unrestricted | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Jo Daviess Conservation Foundation | Elizabeth, IL | Unrestricted | Environment | $10,000 | apps.irs.gov |
| Morton Arboretum | Lisle, IL | Unrestricted | Environment | $10,000 | apps.irs.gov |
| Natural Resources Defense Council | New York, NY | Unrestricted | Environment | $10,000 | apps.irs.gov |
| Teton Regional Land Trust | Driggs, ID | Legacy of LandCampaign | Environment | $10,000 | apps.irs.gov |
| The Bhutan Foundation | Washington, DC | Unrestricted | $10,000 | apps.irs.gov | |
| The Conservation Foundation | Naperville, IL | Unrestricted | Environment | $10,000 | apps.irs.gov |
| Fox River Valley Hound Heritage Foundation | Barrington, IL | Unrestricted | Arts, culture and humanities | $9,000 | apps.irs.gov |
| United States Pony Club Inc | Lexington, KY | Unrestricted | $7,000 | apps.irs.gov | |
| Barrington Area Community Foundation | Barrington, IL | Unrestricted | Philanthropy, voluntarism and grantmaking foundations | $5,000 | apps.irs.gov |
| Chicago Zoological Society | Brookfield, IL | VeterinaryServices Program | Animal-related | $5,000 | apps.irs.gov |
| Citizens for Conservation | Barrington, IL | Acquisition ofHill N DalePreserve | Environment | $5,000 | apps.irs.gov |
| Colorado Rocky Mountain School | Carbondale, CO | Unrestricted | Education | $5,000 | apps.irs.gov |
| Defenders of Wildlife | Washington, DC | Unrestricted | Animal-related | $5,000 | apps.irs.gov |
| Equine Land Conservation Resource | Lexington, KY | Unrestricted | Environment | $5,000 | apps.irs.gov |
| Equine Land Conservation Resource | Lexington, KY | Unrestricted | Environment | $5,000 | apps.irs.gov |
| Fox River Valley Pony Club | Barrington, IL | Unrestricted | $5,000 | apps.irs.gov | |
| Friends of Nachusa Grasslands | Franklin Grove, IL | Unrestricted | Environment | $5,000 | apps.irs.gov |
| Land Trust Alliance | Washington, DC | Unrestricted | Environment | $5,000 | apps.irs.gov |
| Nature Bridge | Sausalito, CA | Unrestricted | $5,000 | apps.irs.gov | |
| Openlands | Chicago, IL | Nature for All | $5,000 | apps.irs.gov | |
| The Conservation Foundation | Naperville, IL | Unrestricted | Environment | $5,000 | apps.irs.gov |
| The Nature Conservancy of Idaho | Arlington, VA | Unrestricted | $5,000 | apps.irs.gov | |
| Tompkins Conservation | San Francisco, CA | Unrestricted | Environment | $5,000 | apps.irs.gov |
| Us Equestrian Team Foundation | Gladstone, NJ | Unrestricted | $5,000 | apps.irs.gov | |
| Chicago Zoological Society | Brookfield, IL | Unrestricted | Animal-related | $4,500 | apps.irs.gov |
| Land Trust Alliance | Washington, DC | Unrestricted | Environment | $2,500 | apps.irs.gov |
| Monterey Bay Aquarium | Monterey, CA | Unrestricted | $2,500 | apps.irs.gov | |
| Openlands | Chicago, IL | Unrestricted | $2,500 | apps.irs.gov | |
| Adirondack Council | Elizabethtown, NY | Unrestricted | Environment | $1,000 | apps.irs.gov |
| African Wildlife Foundation | Washington, DC | Unrestricted | Animal-related | $1,000 | apps.irs.gov |
| American Bird Conservancy | The Plains, VA | Unrestricted | $1,000 | apps.irs.gov | |
| American Farmland Trust | Washington, DC | Unrestricted | Food, agriculture and nutrition | $1,000 | apps.irs.gov |
| American Rivers Inc | Washington, DC | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Balanced Rock Foundation | El Portal, CA | Unrestricted | Education | $1,000 | apps.irs.gov |
| Barrington Area Conservation Trust | Barrington, IL | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Bowdoin College | Brunswick, ME | Unrestricted | Education | $1,000 | apps.irs.gov |
| Brown University | Providence, RI | Unrestricted | $1,000 | apps.irs.gov | |
| Camp Chippewa Foundation | Maple Grove, MN | Unrestricted | Youth development | $1,000 | apps.irs.gov |
| Center for Plant Conservation | Escondido, CA | Unrestricted | $1,000 | apps.irs.gov | |
| Chicago Horticultural Society | Glencoe, IL | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Choate Rosemary Hall | Wallingford, CT | Unrestricted | $1,000 | apps.irs.gov | |
| Earthjustice Legal Defense Fund | San Francisco, CA | Unrestricted | $1,000 | apps.irs.gov | |
| Environmental Defense Fund | Washington, DC | Unrestricted | $1,000 | apps.irs.gov | |
| Environmental Law & Policy Center | Chicago, IL | Unrestricted | $1,000 | apps.irs.gov | |
| Friends of the Cornell Lab of Ornithology | Ithasca, NY | Unrestricted | $1,000 | apps.irs.gov | |
| Friends of the Forest Preserves | Chicago, IL | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Friends of the Teton River | Driggs, ID | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Galena-Jo Daviess Co Historical Society | Galena, IL | Unrestricted | $1,000 | apps.irs.gov | |
| Garfield Heritage Society | Lafox, IL | Unrestricted | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Garfield Heritage Society | Lafox, IL | Unrestricted | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Gathering Waters | Madison, WI | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Grand Teton National Park Foundation | Moose, WY | Unrestricted | Philanthropy, voluntarism and grantmaking foundations | $1,000 | apps.irs.gov |
| Greater Yellowstone Coalition | Bozeman, MT | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Hooved Animal Rescue & Protection Society | Barrington, IL | Unrestricted | Animal-related | $1,000 | apps.irs.gov |
| Hooved Animal Rescue & Protection Society | Barrington, IL | Unrestricted | Animal-related | $1,000 | apps.irs.gov |
| Illinois Audubon Society | Springfield, IL | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Illinois Prairie Path | Wheaton, IL | Unrestricted | $1,000 | apps.irs.gov | |
| Jackson Hole Land Trust | Jackson, WY | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Land Conservancy of McHenry County | Woodstock, IL | Unrestricted | $1,000 | apps.irs.gov | |
| National Parks Conservation Association | Washington, DC | ConservationFellowship | Environment | $1,000 | apps.irs.gov |
| Natural Land Institute | Rockford, IL | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Northern Forest Canoe Trail | Waitsfield, VT | Unrestricted | Arts, culture and humanities | $1,000 | apps.irs.gov |
| Prairie State Conservation Coalition | Springfield, IL | Unrestricted | $1,000 | apps.irs.gov | |
| Preservation Foundation of Lake County | Libertyville, IL | Unrestricted | $1,000 | apps.irs.gov | |
| Preservation Partners of Fox Valley | St Charles, IL | Unrestricted | $1,000 | apps.irs.gov | |
| Rails To Trails Conservancy | Washington, DC | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Sierra Club Foundation | Oakland, CA | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Student Conservation Association | Charlestown, NH | Unrestricted | $1,000 | apps.irs.gov | |
| The International Crane Foundation | Baraboo, WI | Unrestricted | Animal-related | $1,000 | apps.irs.gov |
| The Masters School | Dobbs Ferry, NY | Unrestricted | $1,000 | apps.irs.gov | |
| The Wetlands Initiative | Chicago, IL | Unrestricted | Environment | $1,000 | apps.irs.gov |
| The Wilderness Society | Washington, DC | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Trust for Public Land | San Francisco, CA | Unrestricted | Environment | $1,000 | apps.irs.gov |
| United States Pony Club Inc | Lexington, KY | Unrestricted | $1,000 | apps.irs.gov | |
| Upper Valley Land Trust | Hanover, NH | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Us Equestrian Team Foundation | Gladstone, NJ | Unrestricted | $1,000 | apps.irs.gov | |
| Vermont Land Trust | Montpelier, VT | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Voyageurs National Park Association | Minneapolis, MN | Unrestricted | $1,000 | apps.irs.gov | |
| Wayne Historical Preservation Society | Wayne, IL | Unrestricted | Arts, culture and humanities | $1,000 | apps.irs.gov |
| World Learning | Brattleboro, VT | Unrestricted | International, foreign affairs and national security | $1,000 | apps.irs.gov |
| World Learning Inc | Brattleboro, VT | Unrestricted | International, foreign affairs and national security | $1,000 | apps.irs.gov |
| World Wildlife Fund | Washington, DC | Unrestricted | Environment | $1,000 | apps.irs.gov |
| Yosemite Conservancy | San Francisco, CA | Unrestricted | $1,000 | apps.irs.gov | |
| Barrington Area Historical Society | Barrington, IL | Unrestricted | $250 | apps.irs.gov | |
| Illinois Prairie Path | Wheaton, IL | Unrestricted | $250 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Environment | $3,242,911 |
| Philanthropy, voluntarism and grantmaking foundations | $976,683 |
| Animal-related | $351,494 |
| Arts, culture and humanities | $189,000 |
| Recreation and sports | $35,000 |
| Education | $32,000 |
| International, foreign affairs and national security | $2,000 |
| Food, agriculture and nutrition | $1,000 |
States funded
| Recipient state | Granted |
|---|---|
| Illinois | $49,253,842 |
| Massachusetts | $357,965 |
| Idaho | $261,000 |
| Wisconsin | $152,000 |
| District of Columbia | $30,500 |
| Connecticut | $26,000 |
| New York | $26,000 |
| California | $18,500 |
Also on SpecStream
- Who funds environment in Illinois
- Who funds philanthropy, voluntarism and grantmaking foundations in Illinois
- Who funds environment in Idaho
- Who funds animal-related in Illinois
- Who funds arts, culture and humanities in Illinois
- Who funds animal-related in Wisconsin
Updated November 17, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.