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O’Brien Investment Group (OBIG) is a Chicago based alternative investment management firm.  The firm has a team of seven professional with extensive experience in quantitative trading, research, operations and risk management. OBIG is backed by the O’Brien family office with over 100 years of futures trading and execution experience. The firm offers two Funds: OBIG Quantitative Global Macro Fund, LP and the OBIG Pecus Digital Asset, Fund, LP.

the team


Having identified the best service providers to help bolster our offerings, including fund administrators, legal counsel, and auditors, OBIG’s enhanced infrastructure helps eliminate key man risks and provides reliable business continuity across all facets of O’Brien Investment Group operations. The O’Brien Investment Group has built a robust team with significant experience in research, programming, trading, operations and management. As part of a growing and scalable infrastructure OBIG’s in-house research team is comprised of financial and quantitative analysts from top-tier institutions who continuously monitor and optimize internally-developed strategies. With a proven approach rooted in research, stability and performance, we confidently invest in our own infrastructure; Each of OBIG’s strategies are backed by the firm’s own capital.
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