WORLD'S THIRD WEALTHIEST
Mark Zuckerberg
Founder, Chairman & CEO, Meta Platforms
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Mark Zuckerberg co-founded Facebook in his Harvard dorm room in 2004. He serves as Chairman and CEO of Meta Platforms, which owns Facebook, Instagram, and WhatsApp, and is investing heavily in augmented and virtual reality through Reality Labs.
Wealth in Context
Figures calculated from current net worth estimate
Mark Zuckerberg's net worth equals 54 years of all U.S. federal mental health research funding
Mark Zuckerberg's net worth could cover one year's school costs for every man, woman, and child in Pennsylvania
Mark Zuckerberg's net worth could build 4,114 new public schools
Source: National Clearinghouse for Educational Facilities, 2023
Holdings Breakdown
| Company | Ticker | Shares | Price | Value |
|---|---|---|---|---|
Meta Platforms, Inc. Meta 2024 Proxy Statement (DEF 14A) / SEC Form 4 | META | 354.6M | $574.48 | $203.7B |
Private Holdings & Other Assets Forbes 2025 Billionaires List | estimated | $2B | ||
About holdings: Includes Kauai, Hawaii ranch (approximately 1,400 acres) and other real estate. Chan Zuckerberg Initiative is a philanthropic LLC and is not counted as personal wealth.
June 1, 2024
Net Worth Over Time
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Historical values reflect current known holdings applied to historical market prices. Actual net worth may have differed due to share transactions over time.
Philanthropic Impact
Based on public foundation records, press releases, and giving pledges
Total known giving
$4.7 billion
documented public giving only
Foundation
Chan Zuckerberg Initiative
Giving Pledge signatory — committed to give the majority of their wealth to philanthropy. 99% of Meta shares pledged over their lifetimes
How this is calculated
Mark Zuckerberg's public stock holdings are sourced from SEC Form 4 filings and annual proxy statements. Net worth is calculated as (shares held × current market price) + private wealth estimate. The private wealth estimate is sourced from Forbes 2025 Billionaires List and is updated periodically — it does not change with market movements. Full methodology →