Susquehanna International Group
Susquehanna International Group (SIG) is a privately held global trading and technology firm founded in 1987. It specializes in quantitative trading, market making, and venture capital, leveraging game theory and decision science. With over 3,000 employees, SIG operates across North America, Europe, and Asia.
Address: 401 City Avenue, Bala Cynwyd, PA 19004
Phone: (610) 617-2600
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Two Cofounders From Montgomery County Rank Among World’s Wealthiest
Two Montgomery County businessmen have landed on the Forbes 2026 World’s Billionaires List with a combined fortune of around $84 billion, writes Ryan Mulligan for…
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Montco Trading Giant Steps Into New Betting Frontier
Bala Cynwyd-based Susquehanna International Group is stepping into one of Wall Street’s fastest-growing arenas: prediction markets, writes Samuel O’Brient for Business Insider. Prediction markets have…
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Gladwyne Residents React to Jeff Yass–Backed Redevelopment Vision
Pennsylvania’s richest man, Jeff Yass, backs a plan to revitalize much of Gladwyne’s downtown, writes Denali Sagner for The Philadelphia Inquirer. The proposal was unveiled…
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Bala Cynwyd Billionaire Jeff Yass Donates $100 Million to University Dedicated to Free Speech
Jeff Yass, co-founder of Susquehanna International Group, is once again making headlines, this time in higher education, writes Jessica Priest for The Texas Tribune. The…
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TikTok Trial Puts Bala Cynwyd’s Susquehanna International Group in the Spotlight
A high-stakes trial is underway in Norristown that could impact billions tied to TikTok, and Susquehanna International Group is at the center of it, writes…
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Jeff Yass, the Haverford Billionaire, Is Pennsylvania’s Richest Man
Jeff Yass, a Haverford entrepreneur and co-founder of Susquehanna International Group, with a net worth of $59 billion, is the richest man in Pennsylvania, according…
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Montgomery County Moguls Among Forbes’ Newest Billionaires
Montgomery County is home to several of the newest billionaires featured on Forbes’ 2025 list of the world’s richest people, writes Ryan Mulligan for the…
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Bala Cynwyd’s Jeffrey Yass Advocates to Keep TikTok in the US
Jeffrey Yass, the Bala Cynwyd billionaire investor and megadonor for the Republican party, plays a crucial role in the ongoing TikTok saga, writes Dan Milmo…
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Will Jeff Yass Get Trump to Keep his Word on TikTok?
With a U.S. TikTok ban looming, some speculate that Donald Trump’s return to the presidency might offer the app a lifeline, writes Chloe Berger for…
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Here’s How Jeff Yass’ Bala Cynwyd Firm Makes Money From Trump’s Truth Social
Bala Cynwyd billionaire Jeff Yass’ company Susquehanna International Group (SIG) is making money from Donald Trump’s Truth Social network, writes Joseph N. DiStefano for The…
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Bala Cynwyd Billionaire Jeff Yass Donates Millions to Texas Governor Re-election Campaign
Jeff Yass, co-founder of Susquehanna International Group based in Bala Cynwyd and one of the richest men in the world according to Forbes, last week…
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Forbes: These Billionaires All Have Ties to Philadelphia
The nation’s richest individuals collectively lost about $500 billion last year, but the elite are worth $4.5 trillion, writes Rob LaFranco and Chase Peterson-Withorn for…
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WSJ: A Bala Cynwyd Billionaire Has Been Instrumental in Stalling TikTok Ban
Jeff Yass, a Bala Cynwyd billionaire, has been building a network of support for TikTok, the Chinese video hosting service, in the United States, writes…
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Phillies Slugger Pat Burrell’s Former Center City Penthouse Hits Market Again, Price Drops By Over a Million
A penthouse in Center City previously owned by former Philadelphia Phillies slugger Pat Burrell is once again up for sale at another reduced price, writes…
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Coatesville Heiress Makes Forbes List of America’s Wealthiest People
Along with seven other billionaires, Coatesville resident Mary Alice Dorrance Malone is one of the wealthiest in the Philadelphia area who made the Forbes 400…
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Bala Cynwyd Businessman — the State’s Richest Person — Pays a Lower Tax Rate Than Most Americans
Jeff Yass, the head of Bala Cynwyd’s Susquehanna International Group, recorded an average annual income of $1.3 billion a year from 2013 to 2018, but…
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Several Locals Among the Forbes 400 Richest Americans
The latest Forbes 400, the list of the richest people in America, is out, and several Philadelphia-area residents made the cut this year. Ryan Mulligan…
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Forbes: Gambling Instincts Helped Bala Cynwyd’s Jeff Yass Create a Global Trading Powerhouse
Bala Cynwyd’s Jeff Yass has managed to parlay his past in professional poker and horse-race handicapping into a whopping $12 billion fortune with his gambling…
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