The current institutional shareholding score of Affiliated Managers Group Inc is 10.00, ranking 1 out of 122 in the Investment Banking & Investment Services industry. The latest institutional shareholding proportion is 96.97%, representing a quarter-over-quarter decrease of 5.96%. The largest institutional shareholder is ETHSX, holding a total of 1.45M shares, representing 6.08% of shares outstanding, with 6079900.00% increase in holdings.