The current institutional shareholding score of Interactive Brokers Group Inc is 7.00, ranking 35 out of 122 in the Investment Banking & Investment Services industry. The latest institutional shareholding proportion is 89.73%, representing a quarter-over-quarter increase of 1.36%. The largest institutional shareholder is Ron Baron, holding a total of 3.35M shares, representing 0.91% of shares outstanding, with 0.17% increase in holdings.