Avidity Partners Management LP grew its stake in Acadia Healthcare Company, Inc. (NASDAQ:ACHC – Free Report) by 61.8% in the 4th quarter, HoldingsChannel.com reports. The institutional investor owned 1,156,692 shares of the company’s stock after buying an additional 441,692 shares during the quarter. Acadia Healthcare comprises 3.3% of Avidity Partners Management LP’s portfolio, making the […]