Net Worth Comparison

Stephen Mandel Jr vs Mark Zuckerberg

Real-time net worth, career, and company comparison — updated June 2026.

Stephen Mandel Jr

Stephen Mandel Jr

Net Worth
$4.963B
+0.00% today
Mark Zuckerberg
Wealthier

Mark Zuckerberg

Net Worth
$207.68B
+$202.7B more than Stephen
+0.40% today

Wealth at a Glance

Stephen Mandel Jr$4.963B
Mark Zuckerberg$207.68B

Net worth gap: $202.7B — equivalent to 98% of Mark's total wealth.

Tale of the Tape

Stephen Mandel Jr
Mark Zuckerberg
$4.963B
Net Worth
$207.68B
#855
Global Rank
#6
70
Age
41
UNITED STATES
Country
UNITED STATES
Hedge funds
Source of Wealth
Facebook
Finance & Investments
Industry
Technology
Dartmouth College (BA), Harvard University (MBA)
Education
Harvard University (dropped out)
Annual Salary
$0.0M

Career Highlights

Stephen Mandel Jr

  1. 1982
    Senior Consultant
    Began career at Mars & Co.
  2. 1984
    Consumer-Retail Analyst
    Joined Goldman Sachs.
  3. 1990
    Managing Director
    Worked at Tiger Management.
  4. 1997
    Founder
    Founded Lone Pine Capital.
  5. 2019
    Transitioned from Managing Investments
    Stepped back from day-to-day investment management at Lone Pine Capital, remaining a managing director.

Mark Zuckerberg

  1. 2004
    Founded Facebook
    Co-founded Facebook while at Harvard University.
  2. 2008
    Became a Billionaire
    Became a billionaire at age 23.
  3. 2012
    Facebook IPO
    Took Facebook public, making it one of the largest IPOs in history.
  4. 2021
    Meta Rebranding
    Facebook rebranded to Meta Platforms, Inc., focusing on the metaverse.

Net Worth History

YearStephenMarkLeader
2022$3.9B$65BMark
2023$3.9B$170BMark
2024$2.5B$224.1BMark
2025$5B$222BMark
2026$4.963B$207.68BMark

The Verdict: Mark Zuckerberg vs Stephen Mandel Jr

As of June 2026, Mark Zuckerberg leads this comparison with a net worth of $207.68B, placing at #6 in the global rankings. Stephen Mandel Jr follows at $4.963B — a gap of $202.7B.

The two leaders come from distinct industries — Finance & Investments for Stephen Mandel Jr 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.

Stephen Mandel Jr is 70 years old versus 41 for Mark Zuckerberg, a difference of 29 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.