William Ackman vs Elon Musk
Real-time net worth, career, and company comparison — updated May 2026.


Wealth at a Glance
Net worth gap: $798.7B — equivalent to 99% of Elon's total wealth.
Tale of the Tape
Net Worth History
| Year | William | Elon | Leader |
|---|---|---|---|
| 2022 | — | $146B | — |
| 2023 | $4.3B | $235.5B | Elon |
| 2024 | $9.1B | $839.6B | Elon |
| 2025 | $9.1B | $839B | Elon |
| 2026 | $8.948B | $807.656B | Elon |
Career Highlights
William Ackman
- 1992Co-founded Gotham PartnersCo-founded Gotham Partners Management Co., LLC, an investment advisory firm.
- 2004Founded Pershing Square Capital ManagementFounded Pershing Square Capital Management, an investment management company.
- 2014Pershing Square Holdings IPOPershing Square Holdings went public on Euronext Amsterdam.
- 2020Profited from Shorting the Bond MarketProfited approximately $2.6 billion by shorting the bond market during the COVID-19 downturn.
Elon Musk
- 1995Co-founded Zip2Co-founded Zip2, an online city guide for newspapers.
- 1999Co-founded X.comCo-founded X.com, which later became PayPal.
- 2002Founded SpaceXFounded Space Exploration Technologies Corp. (SpaceX).
- 2004Became Chairman of TeslaLed the first funding round for Tesla and became its Chairman.
- 2008Became CEO of TeslaBecame CEO of Tesla Motors.
The Verdict: Elon Musk vs William Ackman
As of May 2026, Elon Musk leads this comparison with a net worth of $807.656B, placing at #1 in the global rankings. William Ackman follows at $8.948B — a gap of $798.7B.
The two leaders come from distinct industries — Finance & Investments for William Ackman and Technology for Elon Musk. 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.
William Ackman is 59 years old versus 54 for Elon Musk, a difference of 5 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.
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Net worth estimates updated daily from public financial disclosures. Methodology · Report an error