GenTrust LLC raised its holdings in SPDR S&P Biotech ETF (NYSEARCA:XBI – Free Report) by 2.8% in the second quarter, HoldingsChannel reports. The institutional investor owned 497,805 shares of the exchange traded fund’s stock after acquiring an additional 13,515 shares during the quarter. SPDR S&P Biotech ETF makes up about 2.8% of GenTrust LLC’s holdings, […]