Vanguard Group Inc. Has $100.79 Million Stock Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH)

Vanguard Group Inc. increased its stake in shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH – Free Report) by 0.1% in the 4th quarter, HoldingsChannel reports. The institutional investor owned 2,714,628 shares of the company’s stock after acquiring an additional 3,155 shares during the quarter. Vanguard Group Inc. owned 0.06% of Amphastar Pharmaceuticals worth $100,794,000 as of […]