This healthcare fund was in the green for March despite the market plunge

Sio Partners was up 2.6% net for March, compared to the S&P 500's 12.4% decline for the month. The MSCI World Healthcare Index was down 3.9%, while the MSCI World Index was down 13.5%. Sio's long positions detracted 6.6% from its performance, while its shorts contributed 9.8%.

Q1 2020 hedge fund letters, conferences and more

Biggest contributor

In his April letter to investors, which was reviewed by ValueWalk, Sio Managing Member Michael Castor said the biggest contributor to the fund's March returns was its short in Surgery Partners. The company runs outpatient surgery centers where doctors conduct elective surgical procedures.

He noted...