The current institutional shareholding score of Amgen Inc is 7.00, ranking 50 out of 155 in the Pharmaceuticals industry. The latest institutional shareholding proportion is 85.38%, representing a quarter-over-quarter increase of 0.22%. The largest institutional shareholder is ETHSX, holding a total of 4.76M shares, representing 0.85% of shares outstanding, with 1858.53% increase in holdings.