Hedge Fund - MHR Fund Management

Mark Rachesky Bio, Returns, AUM, Net Worth

Based in New York, MHR Fund Management specializes in alternative assets including private capital, private debt, and hedge funds. Led by Mark H. Rachesky, the firm excels in sourcing and navigating diverse market cycles. MHR employs a relationship-focused strategy to uncover complex investment opportunities beyond traditional avenues, investing across debt, equity, structured loans, and assets to enhance value through collaborative partnerships with portfolio companies.

Mark Rachesky is the Founder and Chief Investment Officer of MHR Fund Management LLC, a New York-based investment firm established in 1996. Managing approximately $5 billion in assets, MHR adopts a private equity approach, specializing in distressed and undervalued middle-market companies and assets spanning diverse industries. With over two decades of hands-on investment experience, Rachesky focuses on creating enduring value through business turnarounds and growth initiatives in collaboration with management teams. Rachesky serves as Chairman of the Board of Directors for prominent entities such as Lionsgate Entertainment, a leading U.S. film and television content creator, as well as Loral Space & Communications, Inc., and Telesat Canada, a major global satellite company. Before founding MHR, Rachesky served as the sole Managing Director of Icahn Holdings Corporation, acting as Carl C. Icahn’s primary investment advisor. Prior to this, he spent three years as an investment advisor affiliated with the Robert M. Bass Group. Rachesky is also actively involved in biotechnology investments, dedicating substantial capital to advance novel treatments for unmet medical needs. Educated in both finance and medicine, Rachesky holds an MBA from Stanford University School of Business, an MD from Stanford University School of Medicine, and a BS in Molecular Aspects of Cancer from the University of Pennsylvania. He contributes his expertise as a trustee or board member for various professional and philanthropic organizations, including the Mount Sinai Children’s Center Foundation and Columbia University Medical Center.

MHR Fund Management is a hedge fund managing discretionary assets totaling $5,343,310,835, according to their Form ADV filed on March 2024. Serving 13 clients, their latest 13F filing for Q1 2024 reported $1,034,955,022 in managed 13F securities, with a top ten holdings concentration of 100%. The firm's largest holding is in Iovance Biotherapeutics Inc., with 23,997,103 shares held.

Mark Rachesky
Fund Profile
Filing Period:
Fund Name: MHR Fund Management
Manager Mark Rachesky
Portfolio Value $1,034,955,022
Change This QTR +1.13%
Filing Period:
Last update:
No. Security Ticker Shares Value Activity % Port History
1. IOVA 23,997,103 $355,637,066 +21% 34.36%
2. LGF.B 20,127,661 $200,270,227 19.35%
3. TSAT 18,035,092 $153,658,984 14.84%
4. LGF.B 15,105,523 $140,632,419 13.58%
5. TWI 8,005,000 $99,742,300 9.63%
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