Harold Hamm & family vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated May 2026.

Wealth at a Glance
Net worth gap: $187.6B — equivalent to 90% of Mark's total wealth.
Tale of the Tape
Career Highlights
Harold Hamm & family
- 1967Founded Shelly Dean Oil CompanyHarold Hamm founded Shelly Dean Oil Company, which later became Continental Resources.
- 1990Renamed to Continental ResourcesShelly Dean Oil Company rebranded to Continental Resources.
- 2007Continental Resources IPOContinental Resources went public on the NYSE.
- 2022Continental Resources goes privateContinental Resources was acquired by Omega Acquisition, Inc., an entity wholly owned by Hamm.
Mark Zuckerberg
- 2004Founded FacebookCo-founded Facebook while at Harvard University.
- 2008Became a BillionaireBecame a billionaire at age 23.
- 2012Facebook IPOTook Facebook public, making it one of the largest IPOs in history.
- 2021Meta RebrandingFacebook rebranded to Meta Platforms, Inc., focusing on the metaverse.
Net Worth History
| Year | Harold | Mark | Leader |
|---|---|---|---|
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $16B | $224.1B | Mark |
| 2025 | $16B | $222B | Mark |
| 2026 | $20.1B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Harold Hamm & family
As of May 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Harold Hamm & family follows at $20.1B — a gap of $187.6B.
The two leaders come from distinct industries — Energy for Harold Hamm & family and Technology for Mark Zuckerberg. Comparing them is therefore a comparison of different underlying asset types, growth rates, and risk profiles rather than a simple head-to-head within the same market.
Harold Hamm & family is 80 years old versus 41 for Mark Zuckerberg, a difference of 39 years. Age context matters in wealth comparisons: a younger billionaire at the same net worth has had less time to accumulate — and in many cases represents a higher compound annual growth rate on their wealth.
Net worth figures are estimates calculated from public shareholding disclosures, stock price data, and reported asset values. See our full methodology.
Explore Full Profiles

Net worth estimates updated daily from public financial disclosures. Methodology · Report an error