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BillionairesCompared

United StatesCo-founded it

Jeff Yass

Jeff Yass co-founded the trading firm Susquehanna International Group in 1987; his fortune is his stake in Susquehanna, which also holds a minority stake in ByteDance.

Forbes estimate
$77.8B
Forbes, 16 Sep 2026
Forbes rank
No. 30
16 Aug 2026
Stake in Susquehanna International Group
51%
Illustrated portrait of Jeff Yass
Net worth, Bloomberg
$88.2B
Bloomberg, 10 Oct 2026
Born
Year not stated
New York City, United States
Education
Bachelor's degree
BS, State University of New York at Binghamton
Giving Pledge
Not a signer

Where the fortune sits

Susquehanna International Group, a proprietary trading firm

Susquehanna International Group

options trading and market making, founded 1987

51%

Bloomberg's estimate: a March 2026 filing shows Philadelphia Trading Inc. (of which he is the sole principal) owning 50-75%; SIG's own 2016 disclosure names Philadelphia Trading as its indirect parent

March 2026 filing, as read by Bloomberg, undefined Mar 2026

Co-founder and managing director

Other holdings

ByteDance

Minority stake, size not stated, per Bloomberg

Where Jeff stands among 73

Everyone on the site, grouped by their answer. Jeff Yass is outlined.

How the fortune started

Founded it

Founded it 42

  • Elon Musk
  • Jeff Bezos
  • Larry Page
  • Michael Dell
  • Sergey Brin
  • Mark Zuckerberg
  • Jensen Huang
  • Larry Ellison
  • Amancio Ortega
  • Carlos Slim Helú
  • Bill Gates
  • Changpeng Zhao
  • Thomas Peterffy
  • Zhang Yiming
  • Michael Bloomberg
  • Gautam Adani
  • Jeff Yass
  • Zhong Shanshan
  • Masayoshi Son
  • Ken Griffin
  • Aliko Dangote
  • Li Ka-shing
  • Gianluigi Aponte
  • Robin Zeng
  • Ma Huateng
  • Stephen Schwarzman
  • Peter Thiel
  • Eduardo Saverin
  • Thomas Frist Jr.
  • Andreas von Bechtolsheim
  • Len Blavatnik
  • Pham Nhat Vuong
  • Shiv Nadar
  • Vagit Alekperov
  • David Tepper
  • Leonid Mikhelson
  • Israel Englander
  • Stan Kroenke
  • Steve Cohen
  • Jack Ma
  • Greg Brockman
  • Prince Alwaleed Bin Talal Alsaud

Inherited and grew it 12

  • Bernard Arnault
  • Mukesh Ambani
  • Charles Koch
  • Dieter Schwarz
  • Tadashi Yanai
  • Giovanni Ferrero
  • Abigail Johnson
  • Eyal Ofer
  • Lakshmi Mittal
  • Idan Ofer
  • Reinhold Würth
  • Rupert Murdoch

Built it up 8

  • Steve Ballmer
  • Warren Buffett
  • Eric Schmidt
  • Paolo Ardoino
  • Alexey Mordashov
  • Vladimir Potanin
  • Suleiman Kerimov
  • Vladimir Lisin

Inherited it 6

  • Rob Walton
  • Jim Walton
  • Alice Walton
  • Françoise Bettencourt Meyers
  • Jacqueline Mars
  • Jay Y. Lee

Through marriage 5

  • Julia Koch
  • Savitri Jindal
  • Melinda French Gates
  • Miriam Adelson
  • MacKenzie Scott

Industry

Finance

Finance 10

  • Warren Buffett
  • Thomas Peterffy
  • Jeff Yass
  • Ken Griffin
  • Stephen Schwarzman
  • Abigail Johnson
  • David Tepper
  • Israel Englander
  • Steve Cohen
  • Prince Alwaleed Bin Talal Alsaud

Technology 24

  • Elon Musk
  • Jeff Bezos
  • Larry Page
  • Michael Dell
  • Sergey Brin
  • Mark Zuckerberg
  • Jensen Huang
  • Larry Ellison
  • Steve Ballmer
  • Bill Gates
  • Zhang Yiming
  • Masayoshi Son
  • Robin Zeng
  • Ma Huateng
  • Peter Thiel
  • Eduardo Saverin
  • Eric Schmidt
  • Andreas von Bechtolsheim
  • Melinda French Gates
  • Shiv Nadar
  • MacKenzie Scott
  • Jay Y. Lee
  • Jack Ma
  • Greg Brockman

Several industries 9

  • Carlos Slim Helú
  • Julia Koch
  • Mukesh Ambani
  • Gautam Adani
  • Charles Koch
  • Aliko Dangote
  • Li Ka-shing
  • Pham Nhat Vuong
  • Reinhold Würth

Metals and mining 6

  • Savitri Jindal
  • Alexey Mordashov
  • Lakshmi Mittal
  • Vladimir Potanin
  • Suleiman Kerimov
  • Vladimir Lisin

Retail 4

  • Rob Walton
  • Jim Walton
  • Alice Walton
  • Dieter Schwarz

Fashion and beauty 4

  • Amancio Ortega
  • Bernard Arnault
  • Françoise Bettencourt Meyers
  • Tadashi Yanai

Media 3

  • Michael Bloomberg
  • Len Blavatnik
  • Rupert Murdoch

Food and drink 3

  • Zhong Shanshan
  • Jacqueline Mars
  • Giovanni Ferrero

Shipping 3

  • Gianluigi Aponte
  • Eyal Ofer
  • Idan Ofer

Crypto 2

  • Changpeng Zhao
  • Paolo Ardoino

Oil, gas and chemicals 2

  • Vagit Alekperov
  • Leonid Mikhelson

Healthcare 1

  • Thomas Frist Jr.

Casinos and resorts 1

  • Miriam Adelson

Property and sports 1

  • Stan Kroenke

Giving Pledge

Not a signer

Not a signer 61

  • Jeff Bezos
  • Larry Page
  • Michael Dell
  • Sergey Brin
  • Jensen Huang
  • Steve Ballmer
  • Rob Walton
  • Amancio Ortega
  • Jim Walton
  • Alice Walton
  • Carlos Slim Helú
  • Bernard Arnault
  • Changpeng Zhao
  • Thomas Peterffy
  • Zhang Yiming
  • Françoise Bettencourt Meyers
  • Julia Koch
  • Mukesh Ambani
  • Gautam Adani
  • Jeff Yass
  • Charles Koch
  • Zhong Shanshan
  • Masayoshi Son
  • Dieter Schwarz
  • Ken Griffin
  • Tadashi Yanai
  • Aliko Dangote
  • Jacqueline Mars
  • Li Ka-shing
  • Giovanni Ferrero
  • Gianluigi Aponte
  • Robin Zeng
  • Ma Huateng
  • Abigail Johnson
  • Peter Thiel
  • Eduardo Saverin
  • Savitri Jindal
  • Eric Schmidt
  • Paolo Ardoino
  • Thomas Frist Jr.
  • Alexey Mordashov
  • Andreas von Bechtolsheim
  • Eyal Ofer
  • Len Blavatnik
  • Pham Nhat Vuong
  • Miriam Adelson
  • Lakshmi Mittal
  • Shiv Nadar
  • Idan Ofer
  • Vagit Alekperov
  • David Tepper
  • Leonid Mikhelson
  • Israel Englander
  • Stan Kroenke
  • Reinhold Würth
  • Jay Y. Lee
  • Steve Cohen
  • Jack Ma
  • Suleiman Kerimov
  • Vladimir Lisin
  • Rupert Murdoch

Signed 11

  • Elon Musk
  • Mark Zuckerberg
  • Larry Ellison
  • Warren Buffett
  • Bill Gates
  • Michael Bloomberg
  • Stephen Schwarzman
  • Melinda French Gates
  • Vladimir Potanin
  • MacKenzie Scott
  • Prince Alwaleed Bin Talal Alsaud

Not stated 1

  • Greg Brockman

Education

Bachelor's degree

Bachelor's degree 27

  • Elon Musk
  • Jeff Bezos
  • Steve Ballmer
  • Jim Walton
  • Alice Walton
  • Carlos Slim Helú
  • Bernard Arnault
  • Changpeng Zhao
  • Zhang Yiming
  • Julia Koch
  • Mukesh Ambani
  • Jeff Yass
  • Masayoshi Son
  • Ken Griffin
  • Tadashi Yanai
  • Aliko Dangote
  • Jacqueline Mars
  • Ma Huateng
  • Eduardo Saverin
  • Lakshmi Mittal
  • Shiv Nadar
  • Idan Ofer
  • Israel Englander
  • MacKenzie Scott
  • Steve Cohen
  • Jack Ma
  • Rupert Murdoch

Graduate degree 24

  • Larry Page
  • Sergey Brin
  • Jensen Huang
  • Warren Buffett
  • Rob Walton
  • Michael Bloomberg
  • Charles Koch
  • Robin Zeng
  • Stephen Schwarzman
  • Abigail Johnson
  • Peter Thiel
  • Eric Schmidt
  • Thomas Frist Jr.
  • Alexey Mordashov
  • Andreas von Bechtolsheim
  • Len Blavatnik
  • Melinda French Gates
  • Miriam Adelson
  • Vagit Alekperov
  • David Tepper
  • Stan Kroenke
  • Suleiman Kerimov
  • Vladimir Lisin
  • Prince Alwaleed Bin Talal Alsaud

Left university without a degree 6

  • Michael Dell
  • Mark Zuckerberg
  • Larry Ellison
  • Bill Gates
  • Thomas Peterffy
  • Greg Brockman

No university 5

  • Amancio Ortega
  • Zhong Shanshan
  • Li Ka-shing
  • Savitri Jindal
  • Reinhold Würth

Not stated 11

  • Françoise Bettencourt Meyers
  • Gautam Adani
  • Dieter Schwarz
  • Giovanni Ferrero
  • Gianluigi Aponte
  • Paolo Ardoino
  • Eyal Ofer
  • Pham Nhat Vuong
  • Vladimir Potanin
  • Leonid Mikhelson
  • Jay Y. Lee

Role today

Runs the company

Runs the company 32

  • Elon Musk
  • Jeff Bezos
  • Michael Dell
  • Mark Zuckerberg
  • Jensen Huang
  • Larry Ellison
  • Bernard Arnault
  • Mukesh Ambani
  • Jeff Yass
  • Charles Koch
  • Zhong Shanshan
  • Masayoshi Son
  • Ken Griffin
  • Tadashi Yanai
  • Aliko Dangote
  • Giovanni Ferrero
  • Gianluigi Aponte
  • Robin Zeng
  • Ma Huateng
  • Stephen Schwarzman
  • Abigail Johnson
  • Eduardo Saverin
  • Eric Schmidt
  • Paolo Ardoino
  • Lakshmi Mittal
  • Vladimir Potanin
  • David Tepper
  • Leonid Mikhelson
  • Israel Englander
  • Jay Y. Lee
  • Steve Cohen
  • Greg Brockman

Chair, board or owner 25

  • Larry Page
  • Sergey Brin
  • Warren Buffett
  • Amancio Ortega
  • Jim Walton
  • Carlos Slim Helú
  • Thomas Peterffy
  • Michael Bloomberg
  • Françoise Bettencourt Meyers
  • Julia Koch
  • Gautam Adani
  • Dieter Schwarz
  • Peter Thiel
  • Savitri Jindal
  • Alexey Mordashov
  • Eyal Ofer
  • Len Blavatnik
  • Pham Nhat Vuong
  • Miriam Adelson
  • Idan Ofer
  • Stan Kroenke
  • Reinhold Würth
  • Suleiman Kerimov
  • Vladimir Lisin
  • Prince Alwaleed Bin Talal Alsaud

Founder, no executive role 8

  • Bill Gates
  • Changpeng Zhao
  • Zhang Yiming
  • Thomas Frist Jr.
  • Andreas von Bechtolsheim
  • Shiv Nadar
  • Vagit Alekperov
  • Jack Ma

No role 4

  • Steve Ballmer
  • Alice Walton
  • Melinda French Gates
  • MacKenzie Scott

Retired 4

  • Rob Walton
  • Jacqueline Mars
  • Li Ka-shing
  • Rupert Murdoch

The person

Born
Year not statedNew York City, United States
Citizenship
United States
Lives in
Haverford, Pennsylvania, United States
Education
Bachelor's degreeBS, State University of New York at Binghamton
Parents
Son of two accountants

What they give

Giving Pledge
Not a signer
Foundation
Yass Foundation for Education (Yass Prize)Janine and Jeff Yass founded the Yass Prize, run with the Center for Education Reform since 2021
Lifetime giving
Not stated

Role and record

Role now
Runs the companyCo-founder and managing director of Susquehanna International Group
Successor
Not stated
Public office
None found
Legal record
  • 1982, Philadelphia Stock ExchangeSettled an exchange disciplinary matter over a position-limit violation (Rule 1001) with a $1,000 fine, listed as disclosure 1 of 5 on his FINRA BrokerCheck report.

Compare Jeff with

VS

Charles Koch vs Jeff Yass

Koch, Inc. and Susquehanna International Group

VS

Gautam Adani vs Jeff Yass

Adani Group (Adani Enterprises) and Susquehanna International Group

VS

Jeff Yass vs Mukesh Ambani

Susquehanna International Group and Reliance Industries

VS

Jeff Yass vs Julia Koch

Susquehanna International Group and Koch, Inc.