Tekla Capital Management Llc decreased its stake in Gw Pharmaceuticals Plc (GWPH) by 39.02% based on its latest 2018Q3 regulatory filing with the SEC. Tekla Capital Management Llc sold 27,899 shares as the company’s stock declined 12.87% with the market. The institutional investor held 43,598 shares of the major pharmaceuticals company at the end of 2018Q3, valued at $7.53 million, down from 71,497 at the end of the previous reported quarter. Tekla Capital Management Llc who had been investing in Gw Pharmaceuticals Plc for a number of months, seems to be less bullish one the $4.52 billion market cap company. The stock decreased 3.18% or $4.59 during the last trading session, reaching $139.65. About 217,083 shares traded. GW Pharmaceuticals plc (NASDAQ:GWPH) has declined 1.75% since February 7, 2018 and is downtrending. It