Infinium Capital Management was a proprietary trading firm headquartered in Chicago, Illinois, founded in 2002. The firm engaged in algorithmic and high-frequency trading across various asset classes in North American and European markets. Infinium was known for its technology-driven approach to trading. However, due to challenging market conditions and sustained financial losses, Infinium Capital Management ceased its trading operations and wound down its business in July 2014. This page provides a historical overview of the company.
Served as the central hub for all trading operations, risk management, technology development, research, and administrative functions during its operational years.
Likely featured advanced trading floors, robust IT infrastructure necessary for high-frequency trading, and collaborative workspaces. Specific architectural details for proprietary firms are often not highly publicized.
As a proprietary trading firm, the work culture was characterized as intense, fast-paced, highly analytical, and results-driven. There was a strong emphasis on quantitative skills, technological innovation, and rapid decision-making.
The Chicago headquarters was critical as the command center for its global trading strategies, technological infrastructure, and talent pool, underpinning its operations in the competitive high-frequency trading landscape before its closure.
During its operational years, Infinium Capital Management maintained a global presence primarily focused on North American and European financial markets. Its functions included proprietary trading, algorithmic strategy development, market making, and risk management, supported by its offices in Chicago, London, and New York. The firm required robust, low-latency technology infrastructure to support its high-frequency trading activities across these regions.
440 S LaSalle St, Suite 2000
Chicago
Illinois
USA
Address: Specific historical street address not readily available. Formerly located in London's financial district.
To engage in proprietary trading activities across European exchanges and asset classes, capitalizing on regional market opportunities.
Address: Specific historical street address not readily available. Formerly located in New York's financial district.
To execute trading strategies and provide direct market access for U.S.-based financial markets and instruments.
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As of April 2025, Infinium Capital Management' leadership includes:
Infinium Capital Management has been backed by several prominent investors over the years, including:
Not applicable for the last 12 months as Infinium Capital Management ceased trading operations in July 2014. Any significant executive changes occurred prior to or around its closure. No new hires or exits in the traditional sense have occurred since.
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As Infinium Capital Management ceased operations in 2014, these email formats are historical estimations based on common industry practices. Emails using these formats are no longer active.
[first_initial][last]@infiniumcapital.com (example: jsmith@infiniumcapital.com)
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csmith@infiniumcapital.com (example based on estimated historical format)
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Reuters • July 1, 2014
Infinium Capital Management, a Chicago-based proprietary trading firm, announced it would be winding down its operations. The decision was attributed to challenging market conditions and financial losses....more
Crain's Chicago Business • June 30, 2014
Proprietary trading firm Infinium Capital Management is ceasing operations after experiencing significant losses. The firm, once a prominent player in Chicago's trading scene, employed around 200 people at its peak....more
Bloomberg • February 5, 2015
Following its closure, reports emerged that creditors of Infinium Capital Management were expected to recover a small fraction of their claims, highlighting the financial difficulties that led to the firm's demise....more
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