Sio Capital Management, LLC is a New York-based investment management firm focused on a global, healthcare-centric portfolio aimed at delivering attractive returns to investors.
Michael Castor is the Founder, Portfolio Manager, and Managing Director of Sio Capital Management. Before establishing Sio Capital, he worked as a Research Analyst at AllianceBernstein. Michael Castor earned his medical degree from The Ohio State University College of Medicine.
Sio Capital Management manages a hedge fund with 7 clients and discretionary assets under management (AUM) of $1,405,889,917 (Form ADV from 2024-03-26). Their last reported 13F filing for Q1 2024 included $335,844,749 in managed 13F securities, with a top 10 holdings concentration of 58.57%. The firm's largest holding is Labcorp Holdings Inc., with 225,902 shares.