Companies · 1 holder Net worths as of Sep 24, 2026
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Who owns Susquehanna International?

1 of the world’s richest people holds Susquehanna International in our tracked profiles.

Billionaire holders

  1. Jeff Yass#27 · $77.8B
    Co-founder, managing director…Susquehanna International Group (SIG), Bala Cynwyd, PA - private trading/market-making and investment firm co-founded 1987 · ~75% (per ProPublica, as of 2018) · as of 2018
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    Entry
    Susquehanna International Group (SIG), Bala Cynwyd, PA - private trading/market-making and investment firm co-founded 1987
    Role
    Co-founder, managing director, controlling owner
    Stake
    ~75% (per ProPublica, as of 2018)
    Stake as of
    2018
    source ↗

Each row is a sourced entry from that person’s profile. Stakes are as of the date shown, not today.

Recent SEC filings

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Recent moves

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