Brett R

Brett Rosenbaum is a Portfolio Manager at Adage Capital Management LP, a prominent hedge fund based in Boston, Massachusetts, where he has worked since 2010. In his role, Brett primarily manages investments in public and private technology companies, with a specific focus on semiconductors, hardware, and communications equipment. He is recognized for successfully running Adage's semiconductor portfolio for over a decade and also leads investments in emerging tech sectors involving both established and venture-stage companies.

Prior to joining Adage, Brett served as an Equity Research Analyst at Massachusetts Financial Services Co. from 2006 to 2010 and held analyst positions at Carlson Capital LP and Armadillo Capital LP. His deep experience in equity research and portfolio management is complemented by strong analytical skills across diverse market cycles.

Brett holds an MBA from The University of Chicago (Booth School of Business) and an undergraduate degree from Trinity College in Connecticut. His expertise in technology sector investing—especially in semiconductors—has made him a respected figure in the investment community, noted for his keen market insights and contribution to the performance of one of the world’s leading institutional hedge funds.