Grants paid by The Harold Hamm Foundation
EIN 46-1256191 · Oklahoma City, OK · Form 990-PF, Part XV · NTEE T21
The Harold Hamm Foundation of Oklahoma City, OK (EIN 46-1256191) reported 89 grants paid totaling $51,037,501 to 45 recipients in tax years 2021–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$51,037,501
89 grants
Recipients
45
distinct organizations
Tax years
2021–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2021 | 14 | $1,749,101 | — |
| 2022 | 16 | $37,833,024 | — |
| 2023 | 16 | $2,212,129 | — |
| 2024 | 33 | $4,704,440 | — |
| 2025 | 10 | $4,538,807 | — |
Top recipients
The 45 recipients receiving the most from The Harold Hamm Foundation, by grants paid, out of 45 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Oklahoma State University Foundation 73-6097060 | B | Stillwater, OK | 1 | $25,000,174 | 2022 |
| University of Mary 45-0273403 | B | Bismarck, ND | 1 | $10,200,453 | 2022 |
| University of Ok Foundation 73-6091755 | C | Norman, OK | 8 | $8,631,646 | 2024 |
| Ou Foundation | U | Norman, OK | 1 | $3,988,990 | 2025 |
| National Cowboy Hall of Fame | U | Oklahoma City, OK | 2 | $1,748,662 | 2024 |
| America First Policy Institute | U | Arlington, VA | 1 | $497,467 | 2025 |
| Friends of the Mansion 73-1469104 | B | Oklahoma City, OK | 4 | $333,332 | 2024 |
| Institute for Citizen Focused Service Inc 86-2967724 | D | Alexandria, VA | 1 | $125,000 | 2022 |
| Horatio Alger Found Distinguished Americans Inc 13-1669975 | D | Alexandria, VA | 3 | $100,000 | 2023 |
| Clr Community Fd | U | Oklahoma City, OK | 2 | $50,000 | 2024 |
| Jesus House 73-1173687 | B | Oklahoma City, OK | 2 | $50,000 | 2024 |
| Animal Rescue Foundation | U | Walnut Creek, CA | 3 | $44,567 | 2023 |
| Horatio Alger Association | U | Alexandria, VA | 1 | $30,000 | 2025 |
| Penfed Foundation | U | Alexandria, VA | 3 | $30,000 | 2025 |
| General Assembly and Church of the 1st Born | U | Brownsville, OR | 1 | $25,000 | 2023 |
| YWCA Okc | U | Oklahoma City, OK | 3 | $20,000 | 2023 |
| Infant Crisis Services Inc 73-1378766 | B | Oklahoma City, OK | 4 | $20,000 | 2025 |
| Integris Foundation -Arcadia | U | Oklahoma City, OK | 3 | $15,000 | 2023 |
| Osu Foundation | U | Stillwater, OK | 2 | $10,000 | 2024 |
| Stropes Foundation 87-3039455 | D | Racine, WI | 1 | $10,000 | 2024 |
| Stropes Foudation | U | Racine, WI | 1 | $10,000 | 2024 |
| Ronald Mcdonald House 73-1313892 | D | Edmond, OK | 2 | $10,000 | 2024 |
| Lexington Public Schools | U | Lexington, OK | 2 | $7,210 | 2024 |
| Positive Tomorrows 73-1393438 | C | Oklahoma City, OK | 3 | $7,000 | 2023 |
| Nichols Hills Parks 73-1172961 | B | Nichols Hill, OK | 5 | $6,850 | 2024 |
| Denny Price Family YWCA 73-0599309 | D | Enid, OK | 4 | $6,000 | 2024 |
| Enid Higher Education 73-1621042 | D | Enid, OK | 1 | $6,000 | 2021 |
| Ronald Mcdonald House Charities Okc 73-1103242 | C | Edmond, OK | 1 | $5,000 | 2021 |
| Ronald Mcdonald House Charities | U | Edmond, OK | 1 | $5,000 | 2023 |
| Oklahoma Baptist Homes for Children 73-1435473 | C | Owasso, OK | 1 | $5,000 | 2022 |
| YWCA Oklahoma City | U | Oklahoma City, OK | 1 | $5,000 | 2025 |
| Uco Foundationoklahoma a Schools | U | Edmond, OK | 1 | $5,000 | 2022 |
| Scott and Kim Verplank Fd 26-1528890 | C | Norman, OK | 1 | $5,000 | 2024 |
| The Homeless Alliance 11-3718005 | B | Oklahoma City, OK | 1 | $5,000 | 2021 |
| Enid First United Methodist Church 73-0579260 | C | Enid, OK | 1 | $5,000 | 2022 |
| Oklahoma Hall of Fame 73-0784696 | B | Oklahoma City, OK | 4 | $4,000 | 2025 |
| Sooners Helping Sooners Inc 46-5648696 | C | Norman, OK | 3 | $3,000 | 2025 |
| Regional Food Bank 42-1589809 | C | Oklahoma City, OK | 1 | $2,500 | 2021 |
| A Chance to Change 73-1116884 | C | Oklahoma City, OK | 1 | $2,500 | 2021 |
| Oklahoma Community Foundation | U | Oklahoma City, OK | 1 | $1,000 | 2021 |
| Enid Public Schools | U | Enid, OK | 2 | $500 | 2024 |
| Enid Public School Foundation | U | Enid, OK | 1 | $250 | 2025 |
| Disabled Veterans National Foundation | U | Millford, NH | 1 | $200 | 2023 |
| Shs Band Boosters | U | Shawnee, OK | 1 | $100 | 2022 |
| Nichola Hills Parks Inc | U | Nichols Hills, OK | 1 | $100 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 89 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Ou Foundation Norman, OK | U | $3,988,990 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | America First Policy Institute Arlington, VA | U | $497,467 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Horatio Alger Association Alexandria, VA | U | $30,000 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Penfed Foundation Alexandria, VA | U | $10,000 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | YWCA Oklahoma City Oklahoma City, OK | U | $5,000 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Infant Crisis Services Inc Oklahoma City, OK | B | $5,000 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Sooners Helping Sooners Inc Norman, OK | C | $1,000 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Oklahoma Hall of Fame Oklahoma City, OK | B | $1,000 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Enid Public School Foundation Enid, OK | U | $250 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2025 | Nichola Hills Parks Inc Nichols Hills, OK | U | $100 | paid | GENERAL SUPPORT | 202630439349100013 |
| 2024 | University of Oklahoma Fd Norman, OK | C | $1,424,600 | paid | FUNDING OF VARIOUS DIABETES RESEARCH | 202640939349100314 |
| 2024 | University of Oklahoma Fd Norman, OK | C | $1,174,602 | paid | FUNDING OF VARIOUSDIABETES RESEARCH | 202442199349100214 |
| 2024 | National Cowboy Hall of Fame Oklahoma City, OK | U | $1,025,505 | paid | EDUCATIONAL PROGRAMING | 202640939349100314 |
| 2024 | National Cowboy Hall of Fame Oklahoma City, OK | U | $723,157 | paid | EDUCATIONAL PROGMING | 202442199349100214 |
| 2024 | Friends of the Mason Oklahoma City, OK | C | $83,333 | paid | SUPPORT 1ST FAMILY RESIDENCE CAMPAIGN | 202640939349100314 |
| 2024 | Friends of the Mason Oklahoma City, OK | C | $83,333 | paid | SUPPORT 1ST FAMILY RESIDENCE CAMPAIGN | 202442199349100214 |
| 2024 | Jesus House Oklahoma City, OK | B | $25,000 | paid | FEEDING AND SHELTER HOMELESS | 202442199349100214 |
| 2024 | Jesus House Oklahoma City, OK | B | $25,000 | paid | FEEDING AND SHELTER HOMELESS | 202640939349100314 |
| 2024 | Clr Community Fd Oklahoma City, OK | U | $25,000 | paid | CREATING HEALTHIER COMMUNITIES | 202640939349100314 |
| 2024 | Clr Community Fd Oklahoma City, OK | U | $25,000 | paid | CREATING HEALTIERCOMMUNITIES | 202442199349100214 |
| 2024 | Stropes Foudation Racine, WI | U | $10,000 | paid | SUPPORTS SCHOLARSHIPSEDUCATION ETC.STUDENTS ED | 202442199349100214 |
| 2024 | Stropes Foundation Racine, WI | D | $10,000 | paid | SUPPORTS SCHOLARSHIPS EDUCATION ETC. STUDENTS ED | 202640939349100314 |
| 2024 | Penfed Foundation Alexandria, VA | U | $10,000 | paid | HELPING PEOPLE | 202442199349100214 |
| 2024 | Penfed Foundation Alexandria, VA | U | $10,000 | paid | HELPING PEOPLE | 202640939349100314 |
| 2024 | Ronald Mcdonald House Edmond, OK | D | $5,000 | paid | HELPING CRIACALLY ILLCHILDRENHELPING ILL | 202442199349100214 |
| 2024 | Osu Foundation Stillwater, OK | U | $5,000 | paid | TUITION FOR STUDENTS | 202640939349100314 |
| 2024 | Ronald Mcdonald House Edmond, OK | D | $5,000 | paid | HELPING CRITICALLY ILL CHILDREN | 202640939349100314 |
| 2024 | Scott and Kim Verplank Fd Norman, OK | C | $5,000 | paid | HELPING PEOPLE INT. CHILDREN | 202640939349100314 |
| 2024 | Osu Foundation Stillwater, OK | U | $5,000 | paid | TUITION FORSTUDENTS | 202442199349100214 |
| 2024 | Infant Crisis Services Oklahoma City, OK | B | $5,000 | paid | CHILDHOOD HUNGER | 202442199349100214 |
| 2024 | Infant Crisis Services Oklahoma City, OK | B | $5,000 | paid | CHILDHOOD HUNGER | 202640939349100314 |
| 2024 | Lexington Public Schools Lexington, OK | U | $3,605 | paid | HELPING CHILDRE SCHOLORSHIPS ETC | 202442199349100214 |
| 2024 | Lexington Public Schools Lexington, OK | U | $3,605 | paid | HELPING CHILDREN, SCHOLARSHIPS, ETC. | 202640939349100314 |
| 2024 | Denny Price Family YWCA Enid, OK | D | $1,500 | paid | BACK A YOUTH | 202640939349100314 |
| 2024 | Denny Price Family YWCA Enid, OK | D | $1,500 | paid | Back a Youth | 202442199349100214 |
| 2024 | Sooners Helping Sooners Norman, OK | C | $1,000 | paid | HELPING STUDENTS | 202640939349100314 |
| 2024 | Oklahoma Hall of Fame Oklahoma City, OK | B | $1,000 | paid | FREE EDUCATIONAL PROGRAMS | 202640939349100314 |
| 2024 | Oklahoma Hall of Fame Oklahoma City, OK | B | $1,000 | paid | FREE EDUCATIONALPROGRAMS | 202442199349100214 |
| 2024 | Sooners Helping Sooners Norman, OK | C | $1,000 | paid | HELPING STUDENTSAND CHILDREN | 202442199349100214 |
| 2024 | Enid Public Schools Enid, OK | U | $250 | paid | HELPING STUDENTSAND CHILDRENAND TEACHERS | 202442199349100214 |
| 2024 | Enid Public Schools Enid, OK | U | $250 | paid | HELPING STUDENTS AND CHILDREN AND TEACHERS | 202640939349100314 |
| 2024 | Nichols Hills Park Nichols Hills, OK | C | $100 | paid | IMPROVING PARKS | 202442199349100214 |
| 2024 | Nichols Hills Park Nichols Hills, OK | C | $100 | paid | IMPROVING PARKS | 202640939349100314 |
| 2023 | University of Ok Foundation Norman, OK | C | $1,967,596 | paid | FUNDING OF VARIOUS RESEARCHEXPENDABLE FUNDS FOR DIABETES | 202322199349100062 |
| 2023 | Friends of the Mansion Oklahoma City, OK | B | $83,333 | paid | donation to supportthe 1st family residence capital campaign | 202322199349100062 |
| 2023 | Horatio Alger Assoc for Distinguished Americans Alexandria, VA | C | $60,000 | paid | Giving club supportfor educational programs | 202322199349100062 |
| 2023 | University of Oklahoma Foundation Norman, OK | B | $25,000 | paid | donation for Mewbournecollege of Earth and Energyleadership, excellence in education | 202322199349100062 |
| 2023 | General Assembly and Church of the 1st Born Brownsville, OR | U | $25,000 | paid | donation to the church's relief fund | 202322199349100062 |
| 2023 | Horatio Alger Assoc for Distinguished Americans Alexandria, VA | C | $20,000 | paid | Giving club support for educational programs | 202322199349100062 |
| 2023 | Animal Rescue Foundation Walnut Creek, CA | U | $10,000 | paid | TRAINING OF ANIMALSTO HELP VETERANS | 202322199349100062 |
| 2023 | Integris Foundation -Arcadia Oklahoma City, OK | U | $5,000 | paid | TO IMPROVE THE HEALTH OF THE COM- MUNITY WITH ADDICTION RECOVERY | 202322199349100062 |
| 2023 | YWCA Okc Oklahoma City, OK | U | $5,000 | paid | PURPLE SASH GALADONATION TO HELP COMBAT VIOLENCE IN THE HOME | 202322199349100062 |
| 2023 | Ronald Mcdonald House Charities Edmond, OK | U | $5,000 | paid | To help families with accomendationsand food for families while caring for their children who have cancer | 202322199349100062 |
| 2023 | Denny Price Family YWCA Enid, OK | D | $1,500 | paid | Back a Youth | 202322199349100062 |
| 2023 | Denny Price Family YWCA Enid, OK | D | $1,500 | paid | Back a Youth | 202322199349100062 |
| 2023 | Oklahoma Hall of Fame Oklahoma City, OK | B | $1,000 | paid | Donation to help withfree educational programs | 202322199349100062 |
| 2023 | Positive Tomorrows Oklahoma City, OK | C | $1,000 | paid | ONE WEEK OF INSTRUCTIONFOR AN ENTIRE CLASSOMFOR HOMELESS CHILDREN | 202322199349100062 |
| 2023 | Nichols Hills Parks Nichols Hill, OK | B | $1,000 | paid | DONATION TO HELP WITHTHE PARKS MAINTANCE | 202322199349100062 |
| 2023 | Disabled Veterans National Foundation Millford, NH | U | $200 | paid | helpd Disabled Vets | 202322199349100062 |
| 2022 | Oklahoma State University Foundation Stillwater, OK | B | $25,000,174 | paid | CREATION OF HAMM INSTITUTE AMERICAN ENERGY | 202232219349100618 |
| 2022 | University of Mary Bismarck, ND | B | $10,200,453 | paid | TO CONTRIBUTE TOHAMM SCHOOL OF ENGINEERING | 202232219349100618 |
| 2022 | University of Ok Foundation Norman, OK | C | $1,878,122 | paid | FUNDING OF VARIOUS RESEARCHEXPENDABLE FUNDS FOR DIABETES | 202232219349100618 |
| 2022 | University of Ok Foundation Norman, OK | C | $572,675 | paid | FUNDING OF VARIOUS RESEARCHEXPENDABLE FUNDS FOR DIABETES | 202232219349100618 |
| 2022 | Institute for Citizen Focused Service Inc Alexandria, VA | D | $125,000 | paid | WORKING TO IMPROVE PUBLICSECTOR SERVICES TO CITIZENS | 202232219349100618 |
| 2022 | YWCA Okc Oklahoma City, OK | U | $10,000 | paid | PURPLE SASH GALADONATION TO HELP COMBAT VIOLENCE IN THE HOME | 202232219349100618 |
| 2022 | Animal Rescue Foundation Walnut Creek, CA | U | $10,000 | paid | TRAINING OF ANIMALSTO HELP VETERANS | 202232219349100618 |
| 2022 | Nichols Hills Parks Nichols Hill, OK | B | $5,500 | paid | DONATION TO HELP WITHTHE PARKS MAINTANCE | 202232219349100618 |
| 2022 | Integris Foundation -Arcadia Oklahoma City, OK | U | $5,000 | paid | TO IMPROVE THE HEALTH OF THE COM- MUNITY WITH ADDICTION RECOVERY | 202232219349100618 |
| 2022 | Positive Tomorrows Oklahoma City, OK | C | $5,000 | paid | TO PAY FOR ONE SEMSTERFOR A HOMELESS CHILD | 202232219349100618 |
| 2022 | Uco Foundationoklahoma a Schools Edmond, OK | U | $5,000 | paid | STAFF DEVELOPMENT FOR TEACHERS | 202232219349100618 |
| 2022 | Oklahoma Baptist Homes for Children Owasso, OK | C | $5,000 | paid | PROVIDING HOMESFOR NEEDY FAMILIES,CHILDREN MOTHERS TO BE | 202232219349100618 |
| 2022 | Infant Crisis Center Oklahoma City, OK | D | $5,000 | paid | HELP SUPPLY INFANTS AND TODDLERSWITH FOOD,FORMULA, DIAPERSIN NEED | 202232219349100618 |
| 2022 | Enid First United Methodist Church Enid, OK | C | $5,000 | paid | PLAYGROUND FOR LEARNINGTREE MISSION | 202232219349100618 |
| 2022 | Positive Tomorrows Oklahoma City, OK | C | $1,000 | paid | ONE WEEK OF INSTRUCTIONFOR AN ENTIRE CLASSOMFOR HOMELESS CHILDREN | 202232219349100618 |
| 2022 | Shs Band Boosters Shawnee, OK | U | $100 | paid | SUPPORT SHS BAND | 202232219349100618 |
| 2021 | University of Ok Foundation Norman, OK | C | $882,251 | paid | FUNDING OF VARIOUS RESEARCHEXPENDABLE FUNDS FOR DIABETES | 202142809349100604 |
| 2021 | University of Ok Foundation Norman, OK | C | $706,800 | paid | FUNDING OF VARIOUS RESEARCHEXPENDABLE FUNDS FOR DIABETES | 202142809349100604 |
| 2021 | Friends of the Mansion Oklahoma City, OK | B | $83,333 | paid | TO HELP WITH FAMILYRESIDENCE CAMPAIGN | 202142809349100604 |
| 2021 | Animal Rescue Foundation Walnut Creek, CA | U | $24,567 | paid | TRAINING OF ANIMALSTO HELP VETERANS | 202142809349100604 |
| 2021 | Horatio Alger Found Distinguished Americans Inc Alexandria, VA | D | $20,000 | paid | TO HELP WITH SCHOLARSHIPSFOR STUDENTS OF EXCELLANCE | 202142809349100604 |
| 2021 | Enid Higher Education Enid, OK | D | $6,000 | paid | TO HELP FUND SCHOLARSHIPSTHRU HIGHER EDUCATION | 202142809349100604 |
| 2021 | The Homeless Alliance Oklahoma City, OK | B | $5,000 | paid | TO HELP FAMILIESWHO ARE HOMELESS | 202142809349100604 |
| 2021 | Ronald Mcdonald House Charities Okc Edmond, OK | C | $5,000 | paid | TO HELP FAMILIES WITHACCOMEDATIONS AND FOOD WHO ARE CARING FOR CHILDREN CANCER PATIENTS | 202142809349100604 |
| 2021 | Integris Foundation -Arcadia Oklahoma City, OK | U | $5,000 | paid | TO IMPROVE THE HEALTH OF THE COM- MUNITY WITH ADDICTION RECOVERY | 202142809349100604 |
| 2021 | YWCA Okc Oklahoma City, OK | U | $5,000 | paid | PURPLE SASH GALADONATION TO HELP COMBAT VIOLENCE IN THE HOME | 202142809349100604 |
| 2021 | Regional Food Bank Oklahoma City, OK | C | $2,500 | paid | DONATION TO HELP FAMILIESWITH MEALS | 202142809349100604 |
| 2021 | A Chance to Change Oklahoma City, OK | C | $2,500 | paid | HELP FAMILIES AND INDIVDUALSAFFECTED BY ADDICTION | 202142809349100604 |
| 2021 | Oklahoma Community Foundation Oklahoma City, OK | U | $1,000 | paid | TO HELP SET UP SCHOLARSHIP FUND | 202142809349100604 |
| 2021 | Nichols Hills Parks Nichols Hill, OK | B | $150 | paid | DONATION TO HELP WITH PARKSAFTER ICE STORM | 202142809349100604 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-03-31 | not stated | 2024v5.5 | 202630439349100013 |
| 990PF | 2024 | 2024-03-31 | not stated | 2023v5.1 | 202442199349100214 |
| 990PF | 2024 | 2024-03-31 | not stated | 2023v6.0 | 202640939349100314 |
| 990PF | 2023 | 2023-03-31 | not stated | 2022v5.0 | 202322199349100062 |
| 990PF | 2022 | 2022-03-31 | not stated | 2021v4.1 | 202232219349100618 |
| 990PF | 2021 | 2021-03-31 | not stated | 2020v4.1 | 202142809349100604 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/461256191.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.