The institutional investor owned 108,300 shares of the medical research company’s stock after purchasing an additional 11,821 shares during the period. Anfield Capital Management LLC raised its stake in Amgen by 1,000.0% in the fourth quarter. Dogwood Wealth Management LLC grew its stake in shares of Amgen by 275.0% during the fourth quarter. Tower View Wealth Management LLC increased its holdings in shares of Amgen by 331.6% during the first quarter. Institutional investors and hedge funds own 76.50% of the company’s stock.