Susquehanna International Group

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Susquehanna International Group Of Companies
Founded 1987
Headquarters Bala Cynwyd, PA USA, with offices also in Boston, Chicago, Dublin, Los Angeles, New York, Philadelphia, San Francisco, Shanghai, Stamford and Sydney.
Key People Jeffrey S. Yass, Founder and Managing Director
Employees More than 1,500 employees worldwide
Products Trading and market making, private equity and institutional services

Susquehanna International Group, LLP and its affiliated entities are often referred to as the Susquehanna International Group of companies or SIG. The Susquehanna International Group of companies was founded in 1987 and is composed of several legally distinct trading and investment related entities under common control, including Susquehanna Financial Group, LLLP, Susquehanna Investment Group, Susquehanna Capital Group, SIG Brokerage LP and Susquehanna Fixed Income, LP.[1]

SIG has offices in Bala Cynwyd, Boston, Chicago, Dublin, Los Angeles, New York, Philadelphia, San Francisco, Shanghai, Stamford and Sydney.

SIG has several affiliated entities around the world focused on private equity investments in the financial, technology, enterprise infrastructure, and technology-enabled business services sectors. Company teams have experience in expansion stage investing, as well as working with portfolio companies to increase shareholder value.[2]

The company recruits and trains traders using poker tournaments to sharpen their decision-making skills. Its traders have won three World Series of Poker bracelets.[3]


The six co-founders of Susquehanna met in the late 1970s at SUNY Binghamton where they gathered to play poker. One of the six, Jeff Yass, thought that poker provided excellent training for the kind of probability-based decisions need in markets. Yass, along with Steve Bloom, Eric Brooks, Arthur Dantchik, Andrew Frost, and Joel Greenberg, founded the firm in May 1987, naming it after the river that runs from upstate New York through Pennsylvania.[4] The company survived the 1987 stock market crash, and even thrived, growing into a firm of 100 employees bringing in about $30 million, in 1988.

The company used its game-theory expertise to take advantage of the exploding popularity of options in the 1970s and '80s and took an early interest in trading State Street's SPY instruments, based on the S&P 500 index.

Thanks to an option bet that would pay out if stocks went down, Susquehanna was one of the few firms that made money on Black Monday, the stock market crash on Oct. 19, 1987. [5]

Products and Services[edit]

For institutional investors, SIG offers brokerage in listed and NASDAQ stocks, ETFs, options, program trading and American Depositary Receipts (ADRs), as well as differentiated equity research. For corporate clients, SIG offers traditional investment banking services.

It ranks among the largest U.S. traders of ETFs and is a major U.S. options trader.[6]

SIG's market making operation in more than 6,000 stocks makes it among the nation's largest option market makers, a leading sector index options trading firm and one of the largest liquidity providers in ETFs. SIG offers domestic and international market making, specialist and electronic trading operations at exchanges including the Chicago Board Options Exchange.[7]

In late 2017, Susquehanna set up a unit at its Dublin office called Nellie Analytics to wager on sports including basketball, American football, soccer and tennis. The business advertised to hire quantitative analysts and computer technicians.[8]

Key People[edit]