Principals

Principal Net Worth

$18.0B

Data Flags

Net worth $16B per Forbes (Jan 2026); Continental Resources went private Oct 2022; Giving Pledge 2010 founding class confirmed; team verified via LinkedIn

Harold Hamm Foundation

UnknownHigh Confidence

Last verified: Jan 17, 2026

Details

Source File: research/organizations/harold-hamm-foundation.md
UID: fo-harold-hamm-foundation

Also Known As

**Continental Resources**: Primary business entity (now private)**Harold Hamm Foundation**: Philanthropic vehicle**CLR** (ticker symbol, pre-2022): Former NYSE listing for Continental Resources

Principals (7)

Harold HammOWNS

$18B

Sue Ann ArnallArnall Family FoundationOWNS

Hilary HammContinental ResourcesOWNS

Shelly LambertzContinental ResourcesOWNS

Jane Hamm-OWNS

Tom Hamm-OWNS

Tiffany Hamm-OWNS

Known Associates (3)

Continental Resources executives

: Long-standing relationships with energy industry leaders

Energy industry leaders

: Relationships across oil & gas sector

Oklahoma business community

: Deep ties to state's business and political establishment

Relationship Strength

Loading relationships...

Changelog

2026-01-17Added Verification Status section (High confidence - net worth $16B per Forbes Jan 2026; Giving Pledge 2010 founding class)
2025-12-11Initial research file created for Harold Hamm / Harold Hamm Foundation
2025-12-26Added comprehensive team: Continental Resources executives (Shelly Lambertz Executive Chairman Aug 2025, Doug Lawler CEO, John Hart CFO, Jim Webb General Counsel with LinkedIn), Hamm family members in business (Hilary Hamm Director Federal Affairs), Hamm Institute for American Energy leadership. Company went private Oct 2022 ($4.3B).