Mark Zuckerberg vs William Ackman: who is richer?
Mark Zuckerberg is richer, with a net worth of $209.7 billion versus William Ackman's $13 billion — a gap of $196.7 billion, or 16 times as much (as of November 7, 2026).
Mark Zuckerberg
Source of wealth: Facebook
$209.7B
William Ackman
Source of wealth: Hedge funds
$13B
Made since you opened this page: $0.00
Side-by-side
| Mark Zuckerberg | William Ackman | |
|---|---|---|
| Net worth | $209.7B | $13B |
| World rank | #5 | #234 |
| Makes per second | −$124 | $75.12 |
| Makes per day | −$10.69M | $6.49M |
| Today | +$1.72B | +$199.3M |
| Source of wealth | Hedge funds | |
| Age | 42 | 60 |
| Country | United States | United States |
Net worth by year
| Year | Mark Zuckerberg | William Ackman |
|---|---|---|
| 2026 | $222B | $9.1B |
| 2025 | $216B | $9.2B |
| 2024 | $177B | $4.3B |
| 2023 | $64.4B | $3.4B |
| 2022 | $67.3B | $3B |
| 2021 | $97B | $2.8B |
| 2020 | $54.7B | $1.4B |
| 2019 | $62.3B | $1.1B |
| 2018 | $71B | $1.1B |
| 2017 | $56B | $1.4B |
| 2016 | $44.6B | $2B |
| 2015 | $33.4B | $2.5B |
Frequently asked questions
Who is richer, Mark Zuckerberg or William Ackman?
Mark Zuckerberg is richer, worth $209.7 billion compared with William Ackman's $13 billion. The difference is $196.7 billion.
Who makes more per second, Mark Zuckerberg or William Ackman?
William Ackman makes more: about $75.12 per second versus −$124. Per day that's $6.49M vs −$10.69M.
How many times richer is Mark Zuckerberg than William Ackman?
Mark Zuckerberg has about 16 times William Ackman's net worth.