The Harold Hamm Foundation

Foundation · Grantmaker Oklahoma City, OK EIN: 46-1256191

The Harold Hamm Foundation is a private, non-operating foundation established in Oklahoma in 2013 and based in Oklahoma City. It is designated as a 501(c)(3) organization and classified as a corporate foundation. The foundation is supported by Harold G. Hamm and focuses on philanthropic giving in the areas of health and education.

Key facts about The Harold Hamm Foundation

EIN: 46-1256191
Latest 990 filing: Form 990-PF, 2025
Annual giving (2025): $4,538,807
Grants made (2025): 10
Average grant: $453,881
Median grant: $5,000
New grantees (estimate): 60% first-time grantees (6 of 10, 2025)
Primary geography: Oklahoma (88% of itemized 2025 grant dollars)
How to apply: The foundation accepts letters stating what funds will be used for. Full details ↓

Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Harold Hamm Foundation funds

By grant dollars, the top recipient states for The Harold Hamm Foundation's 10 itemized 2025 grants were Oklahoma (88%) and Virginia (12%). The most frequent recipient cities were Oklahoma City, OK (3 grants), Norman, OK (2 grants) and Alexandria, VA (2 grants). 100% of grants with a stated purpose were for general or operating support.

Is The Harold Hamm Foundation open to new grantees?

60%

first-time grantees, 2025

In 2025, 6 of 10 grantees (60%) were first-time recipients. First grants averaged $754K; repeat grants $4K. How we count

Medians: $18K first-time, $3K repeat.

40% of 2025 grantees were also funded in 2024. Method
Giving fell 88% from 2022 to 2025. Method

Estimate from itemized IRS Form 990-PF grant lists (2021–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with The Harold Hamm Foundation

How to evaluate The Harold Hamm Foundation as a funder
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Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$4.5M

+72.5% YoY

Grant Count

-41.2% YoY

Avg Grant Size

$454K

+193.3% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The Harold Hamm Foundation supports nonprofit organizations with emphasis on factors that contribute to success in life, including:

Health — including medical research
Education — including scholarships and student support
Community services — including homeless services and family services

The foundation has demonstrated particular interest in supporting organizations in Oklahoma, with a concentration of grantmaking in Oklahoma City.

Grantmaking

Notable recent grants include:

Grant Range

** $100 to $25 million

Average Grant

** $122,000 (recent years)

Review Cycle

and formal RFP processes are not detailed in available sources.

How to Apply

The foundation accepts letters stating what funds will be used for. Specific application deadlines and formal RFP processes are not detailed in available sources.

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Geographic Focus

Where this funder awards grants

The Harold Hamm Foundation primarily supports organizations in Oklahoma, with grantmaking concentrated in:

Oklahoma (primary focus)
Oklahoma City (emphasis area)
North Dakota
Virginia

Approximately 87% of all grants support organizations in these three states, though grantmaking reaches organizations across six states total.

Grant Distribution by State

Oklahoma $4.0M (88%)

Virginia $537K (12%)

Share of all 10 itemized 2025 grant dollars.

States

California North Dakota New Hampshire Oklahoma Oregon Virginia Wisconsin

Cities

Oklahoma CityNormanAlexandriaEnidEdmondNichols HillWalnut CreekNichols HillsStillwaterArlingtonBismarckBrownsvilleLexingtonMillfordOwassoRacineShawnee

Financial History

Multi-year comparison from IRS filings

As of 2024:

Total Assets: $11.1 million
Annual Revenue: $162,896
Annual Expenses: $2.08 million
Total Liabilities: $0
Giving Rate: 21.9%

Historical Asset Growth:

2012: $3,000
2023: $18 million (per one source) / $11.1 million (per another)
2024: $11.1 million

Investment Income: The foundation's revenue is primarily derived from investment income and dividends rather than contributions.

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2025	2024	2023
Total Assets	—	—	—
Revenue	—	—	—
Expenses	—	—	—
Qualifying Distributions	—	—	—
Net Investment Income	—	—	—
Distributable Amount	—	—	—

Data update history

When this profile's IRS filing data changed on Grantable

September 25, 2026 Updated Form 990-PF for fiscal year 2024 (received by the IRS April 3, 2026)
September 25, 2026 IRS filings on file for fiscal years 2021–2025

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Grant Size Distribution

73 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest recipients include Ou Foundation ($3,988,990), America First Policy Institute ($497,467), Horatio Alger Association ($30,000).

Recipient	Purpose	Amount
OU FOUNDATION Norman, OK	GENERAL SUPPORT	$3,988,990
AMERICA FIRST POLICY INSTITUTE Arlington, VA	GENERAL SUPPORT	$497,467
HORATIO ALGER ASSOCIATION Alexandria, VA	GENERAL SUPPORT	$30,000
PENFED FOUNDATION Alexandria, VA	GENERAL SUPPORT	$10,000
INFANT CRISIS SERVICES INC Oklahoma City, OK	GENERAL SUPPORT	$5,000
YWCA OKLAHOMA CITY Oklahoma City, OK	GENERAL SUPPORT	$5,000
OKLAHOMA HALL OF FAME Oklahoma City, OK	GENERAL SUPPORT	$1,000
SOONERS HELPING SOONERS INC Norman, OK	GENERAL SUPPORT	$1,000
ENID PUBLIC SCHOOL FOUNDATION Enid, OK	GENERAL SUPPORT	$250
NICHOLA HILLS PARKS INC Nichols Hills, OK	GENERAL SUPPORT	$100

Leadership & Key People

Leadership team and compensation from IRS filings

Harold G. Hamm — President (2 hours per week, no compensation)
Shelly Lambertz — Secretary (2 hours per week, no compensation)

The foundation is governed by two officers and trustees.

Compensation Overview

No officer or director reported compensation in the available filings.

From 2025 IRS filing

Name	Title	Hours	Compensation
Harold G Hamm	President	2	—
Shelly Lambertz	Secretary	2	—

Recent News & Activity

Recent developments and announcements

The Harold Hamm Foundation has made significant philanthropic commitments in recent years:

The Harold Hamm Foundation Donates $10M and Continental Resources

2018

**$34 million donation** to the Harold Hamm Diabetes Center at OU Medicine (2018)

**$50 million donation** to Oklahoma State University establishing the Hamm Institute for American Energy

Hamm Institute awards eight seed grants to advance energy ...

**$10 million donation** to University of Mary, with Continental Resources also contributing $2 million

$50 million donation to Oklahoma State University establishes the Hamm Institute

**Eight seed grants** awarded through the Hamm Institute to advance energy innovation at Oklahoma State University

Hamm Institute awards eight seed grants to advance energy ...

2022

The foundation has supported 29 unique organizations across its grantmaking history, with the highest grantmaking activity occurring in 2022 when $37.8 million was distributed across 16 grants.

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What does The Harold Hamm Foundation fund?

The Harold Hamm Foundation supports nonprofit organizations with emphasis on factors that contribute to success in life, including: • **Health** — including medical research • **Education** — including scholarships and student support • **Community services** — including homeless services and family services The foundation has demonstrated particular interest in supporting organizations in Oklahoma, with a concentration of grantmaking in Oklahoma City.

How do I apply for a grant from The Harold Hamm Foundation?

The foundation accepts letters stating what funds will be used for. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

Where does The Harold Hamm Foundation make grants?

The Harold Hamm Foundation primarily supports organizations in Oklahoma, with grantmaking concentrated in: • Oklahoma (primary focus) • Oklahoma City (emphasis area) • North Dakota • Virginia Approximately 87% of all grants support organizations in these three states, though grantmaking reaches organizations across six states total.