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Net Worth Comparison

William Stone vs Elon Musk

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

William Stone

William Stone

CEO, Software
Net Worth
$3.103B
+1.14% today
Elon Musk
Wealthier

Elon Musk

CEO, Tesla, Inc.
Net Worth
$807.656B
+$804.6B more than William
+1.18% today

Wealth at a Glance

William Stone$3.103B
Elon Musk$807.656B

Net worth gap: $804.6B — equivalent to 100% of Elon's total wealth.

Tale of the Tape

William Stone
Elon Musk
$3.103B
Net Worth
$807.656B
#1362
Global Rank
#1
70
Age
54
UNITED STATES
Country
UNITED STATES
Software
Source of Wealth
Tesla, SpaceX
Technology
Industry
Technology
Bachelor of Business Administration from Marquette University in 1977
Education
University of Pennsylvania (BA, BS)

Career Highlights

William Stone

  1. 1977
    Began Career
    Began his career at KPMG, a financial services consultancy and accounting firm.
  2. 1986
    Founded SS&C Technologies
    Founded SS&C Technologies.
  3. 1996
    SS&C IPO
    Led SS&C Technologies through its initial public offering (IPO).
  4. 2005
    SS&C went private
    Stone took SS&C private
  5. 2010
    Second IPO
    SS&C went public a second time.

Elon Musk

  1. 1995
    Co-founded Zip2
    Co-founded Zip2, an online city guide for newspapers.
  2. 1999
    Co-founded X.com
    Co-founded X.com, which later became PayPal.
  3. 2002
    Founded SpaceX
    Founded Space Exploration Technologies Corp. (SpaceX).
  4. 2004
    Became Chairman of Tesla
    Led the first funding round for Tesla and became its Chairman.
  5. 2008
    Became CEO of Tesla
    Became CEO of Tesla Motors.

Net Worth History

YearWilliamElonLeader
2022—$146B—
2023—$235.5B—
2024$3.4B$839.6BElon
2025$3.4B$839BElon
2026$3.103B$807.656BElon

The Verdict: Elon Musk vs William Stone

As of June 2026, Elon Musk leads this comparison with a net worth of $807.656B, placing at #1 in the global rankings. William Stone follows at $3.103B — a gap of $804.6B.

Both executives operate in the Technology sector, making this a direct peer comparison. Their wealth trajectories reflect the broader performance of that industry over time, though individual company strategy, equity ownership structure, and capital allocation decisions have driven meaningfully different outcomes.

William Stone is 70 years old versus 54 for Elon Musk, 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.

Explore Full Profiles

William Stone
William Stone
Full profile → net worth, bio, career history
Elon Musk
Elon Musk
Full profile → net worth, bio, career history

Net worth estimates updated daily from public financial disclosures. Methodology · Report an error