Jeff Yass Timeline
Jeff Yass co-founded SIG in 1987, SIG bought into ByteDance in 2012 and his fortune reached $77.8 billion by 2026 14.
Full nameJeffrey Steven Yass
NationalityUnited States
Known forCo-founder of Susquehanna International Group; early ByteDance investor
1958: born in Queens
Jeff Yass is born 1.
- 1958 · BORNBorn in Queens, New York
- 1987 · FOUNDEDCo-founds Susquehanna International Group with five Binghamton friends
- 2001 · ROLEJoins the Cato Institute's executive advisory council
- 2012 · MILESTONESIG buys a stake in ByteDance
- 2024 · MILESTONEForbes puts his net worth at $27.6 billion
- 2026 · MILESTONERanked 27th with $77.79 billion
1987: Susquehanna
He and five Binghamton friends co-found SIG 1.
2001: Cato Institute
He joins its executive advisory council 6.
2012: ByteDance
SIG buys a stake in ByteDance before TikTok exists 4.
2024: $27.6 billion
Forbes puts him at $27.6 billion in April 1.
2026: $77.8 billion
He ranks 27th on Forbes' real-time list 2.
Frequently asked questions
In 2012, according to Business2Community.
Sources✓ Verified 14 Nov 2026
1 Wikipedia, Jeff Yass, 1 Sep 2026, Dates
2 Business2Community, Jeff Yass net worth, 1 Jan 1970, ByteDance 2012
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