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 $252,176,785
Change This QTR +0.68%
Filing Period:
Last update:
No. Security Ticker Shares Value Activity % Port History
1.
Labcorp Holdings Inc
173,293 $38,727,520 -30% 15.35%
2. ISRG 59,000 $28,984,930 NEW 11.49%
3. TEVA 1,349,274 $24,313,917 NEW 9.64%
4. MMS 155,142 $14,453,029 NEW 5.73%
5. ZBH 127,511 $13,764,812 -18% 5.45%
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