The current institutional shareholding score of Marketaxess Holdings Inc is 10.00, ranking 1 out of 122 in the Investment Banking & Investment Services industry. The latest institutional shareholding proportion is 105.07%, representing a quarter-over-quarter increase of 5.35%. The largest institutional shareholder is ETHSX, holding a total of 395.45K shares, representing 0.89% of shares outstanding, with 2004.02% increase in holdings.