Herriot Tabuteau vs Mark Zuckerberg
Real-time net worth, career, and company comparison — updated June 2026.

Wealth at a Glance
Net worth gap: $205.6B — equivalent to 99% of Mark's total wealth.
Tale of the Tape
Career Highlights
Herriot Tabuteau
- 2012Founded Axsome TherapeuticsEstablished a biopharmaceutical company focused on treatments for central nervous system disorders.
- 2015Axsome Therapeutics IPOTook Axsome public, raising funds for research and development.
- 2020AXS-05 Breakthrough Therapy DesignationAXS-05, a drug for Alzheimer's disease agitation, received Breakthrough Therapy designation from the FDA.
- 2022Auvelity FDA ApprovalAuvelity, a rapid-acting antidepressant, received FDA approval.
- 2025Symbravo FDA ApprovalSymbravo for the treatment of migraines with or without auras, received FDA approval.
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 | Herriot | Mark | Leader |
|---|---|---|---|
| 2021 | $0.465B | — | — |
| 2022 | — | $65B | — |
| 2023 | — | $170B | — |
| 2024 | $1.5B | $224.1B | Mark |
| 2025 | $1.5B | $222B | Mark |
| 2026 | $2.059B | $207.68B | Mark |
The Verdict: Mark Zuckerberg vs Herriot Tabuteau
As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Herriot Tabuteau follows at $2.059B — a gap of $205.6B.
The two leaders come from distinct industries — Healthcare for Herriot Tabuteau 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.
Herriot Tabuteau is 57 years old versus 41 for Mark Zuckerberg, a difference of 16 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