Forbes estimates Mark Zuckerberg’s net worth at $246.5B (real-time, 10 Oct 2026, #6 in the world). Most of it is his Meta shares: Meta’s latest filing lists 639,347 Class A and 341,823,978 Class B shares, 99.8% of Meta’s Class B stock and 60.8% of the total voting power. It is an outside estimate that moves with the share price, not a disclosed figure.
Correction (10 Oct 2026): this page previously showed undated or unsourced net-worth figures. We replaced them with one dated, named estimate and the holdings disclosed in filings, and we now tag every input as filing, reported or estimate.
How we source: figures on this page come from the company’s own filings (SEC 10-K, 10-Q, prospectus and earnings releases, or its annual report), with the period stated next to each number; outside estimates appear only labelled, with their source and date. Last refreshed October 2026. Our methodology.
The most widely cited figure is Forbes’s: $246.5B on 10 Oct 2026, #6 in the world. It is an outside estimate, not a figure Zuckerberg or any company has disclosed.
Other outlets publish different figures, and each changes with share prices. Use one source consistently, and always note its date.
How the fortune was built
Mark Zuckerberg’s fortune comes from Meta. The timeline below tags each step: SEC filing when it comes from a filing, Reported when it comes from Forbes’s profile.
Mark Zuckerberg: the fortune and its milestones Estimate
Before the chart: 2004 Starts Facebook at Harvard ยท 2012 Takes Facebook public ยท 2015 Pledges 99% of his Meta stake
The renaming signalled a metaverse focus; the company has since refocused on AI (Forbes).
Apr 2026SEC filing
Control confirmed in the proxy
Meta’s proxy lists 341.8 million Class B shares (99.8% of the class) and 60.8% of the total voting power.
What drives the number
Every estimate of Zuckerberg’s wealth is the same model: his Meta shares, times Meta’s share price, plus other assets (property, cash from share sales). The share count is public, so most of the movement comes from the share price.
Using one consistent source, Forbes’s annual World’s Billionaires lists, the estimate moved from $56.0B (Mar 2017) to $222.0B (Mar 2026). Because most of it is Meta stock, the line largely tracks the share price.
Estimated net worth over time Estimate
Mar 2017
$56.0B
Mar 2018
$71.0B
Mar 2019
$62.3B
Apr 2020
$54.7B
Apr 2021
$97.0B
Apr 2022
$67.3B
Apr 2023
$64.4B
Apr 2024
$177.0B
Apr 2025
$216.0B
Mar 2026
$222.0B
10 Oct 2026
$246.5B
Annual World’s Billionaires list estimates (Forbes); gold bar = real-time estimate on 10 Oct 2026. All figures are estimates by the same outlet, so they are comparable with each other, not with other outlets’ numbers.
Both lines indexed to 100 at the Mar 2017 list. Net worth: Forbes list estimates and real-time estimate. Share price: month-end close in each list’s month, split-adjusted (Yahoo Finance); latest point: close on 9 Oct 2026. Index levels, not dollars; the gap shows what else moved the estimate (share sales, gifts, other assets).
โThe value of private holdings, cash or property.
โShares sold or given away outside the filing dates.
What he does now
He remains Meta’s chairman and CEO. Through his Class B shares he holds 60.8% of the voting power, so he controls the board and the company’s direction, including its shift to AI.
The Business Engineer view
What Zuckerberg’s fortune really measures
His share count is filed, so the estimate mostly tracks Meta’s share price. For founders with filed stakes, the share count is public and only the price moves; the estimate is then close to a measurement.
Read any net-worth figure with three questions: who estimated it, on what date, and at what share price. For the company behind the fortune, see Meta on FourWeekMBA.
Frequently asked questions
What is Mark Zuckerberg's net worth?
Forbes estimates Mark Zuckerberg’s net worth at $246.5B (real-time, 10 Oct 2026, #6 in the world).
How did Mark Zuckerberg make his money?
Mainly through Meta. Starts Facebook at Harvard: Launched at 19 so students could match names with classmates’ photos (Forbes). Takes Facebook public: Facebook lists in May 2012; Forbes says he now owns about 13% of the company’s stock.
How much of Meta does Zuckerberg own?
Meta’s latest filing lists 639,347 Class A and 341,823,978 Class B shares, 99.8% of Meta’s Class B stock and 60.8% of the total voting power (Meta 2026 proxy statement (filed 16 Apr 2026)).
Why do Mark Zuckerberg net worth figures differ?
Each outlet multiplies an estimated share count by the share price on a given day and adds its own estimate of other assets, so figures differ by source and by date.
Gennaro Cuofano is a CRO and tech executive who has worked in AI since late 2015, starting with bringing NLP, natural-language generation, voice and chatbot products to the marketing industry. His background is in law and finance: he holds a Master's degree in Law and an International MBA with an emphasis on corporate finance (LUISS Business School and the University of San Diego, 2012), and worked as a financial analyst at a real-estate investment firm in San Diego and as an assistant controller. His work focuses on business model strategy, business engineering and, more broadly, structural analysis: how companies make money, read from their own filings. He created FourWeekMBA and leads research there and at The Business Engineer, his newsletter on AI and business strategy, with over 95,000 subscribers and more than 1,000 published analyses. His writing has also appeared on Entrepreneur (for example, How to Digitize a Family Business in Europe) and HackerNoon. Find him on LinkedIn and Substack. See how we source.
Scroll to Top
Discover more from FourWeekMBA
Subscribe now to keep reading and get access to the full archive.
