Hedge Fund - Sio Capital

Michael Castor Bio, Returns, AUM, Net Worth

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.

Michael Castor
Fund Profile
Filing Period:
Fund Name: Sio Capital
Manager Michael Castor
Portfolio Value $355,411,105
Change This QTR +1.41%
Filing Period:
Last update:
No. Security Ticker Shares Value Activity % Port History
1.
Icon Plc
195,500 $40,998,305 NEW 11.53%
2. MMS 381,423 $28,473,227 +146% 8.01%
3. CI 98,003 $27,062,548 +270% 7.61%
4.
Labcorp Holdings Inc
113,293 $25,980,351 -35% 7.3%
5. SNY 387,000 $18,665,010 NEW 5.25%
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