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Mason Capital Management LLC
Mason Capital Management LLC is a New York-based hedge fund manager established in 2000. The firm specializes in event-driven investment strategies and primarily serves institutional investors. As of 2025, Mason Capital Management reports around 14 employees and maintains a concentrated, actively managed portfolio.
Investment Strategy
Mason Capital Management LLC pursues event-driven strategies, focusing on investing in corporate transactions such as mergers, spinoffs, and restructuring events. The firm manages a concentrated portfolio with high conviction positions and adapts its strategies to capitalize on inefficiencies in the market tied to specific corporate actions. The firm is known for its deep-dive research and active stance in catalyst-driven situations.
Latest 13F Filing Activity
Mason Capital Management LLC filed their most recent 13F report on Jun 30, 2025 disclosing 3 equity positions with a total 13F market value of $512M. The fund increased holdings in Ats Corporation, Clear Channel Outdoor HLDGS, Cohen Circle Acquisition Corp.. Mason Capital Management LLC reduced exposure to Paramount Global, Cohen Circle Acquisition Corp., Clear Channel Outdoor HLDGS among others.
Top Holdings
Equity Positions (3)
Industry Allocation
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