Arthur Dantchik
Trading, investments · Gladwyne, Pennsylvania
Net worth
$19.5B
Today
$00.00%Past month
$00.00%As of Nov 11, 2026, 1:50 PM EST
Arthur Dantchik is a cofounder of Susquehanna International Group, one of Wall Street's largest and most successful trading firms. Dantchik roomed with Jeff Yass, his billionaire cofounder and best friend from Queens' Bayside High School, at SUNY Binghamton in the late 1970s. Before cofounding Susquehanna in 1987, Dantchik moved with Yass to Las Vegas to become professional gamblers. A managing director, Dantchik helps recruit and train traders using poker tournaments; Susquehanna's traders have won 3 World Series of Poker bracelets. Susquehanna has invested in hundreds of private companies globally, including TikTok parent ByteDance, its most valuable holding based on Forbes reporting.
Net worth over time
Principal holdings
1 positions| Company | Industry | Share | Value |
|---|---|---|---|
Private holdings | Finance & Investments | 100.0% | $19.5B |
Also known for
- Dantchik oversaw Susquehanna's venture investment team in China, when it became one of the first firms to back ByteDance founder Zhang Yiming in 2012.