| SC 13G/A | 2020-02-14 | Bares Capital Management, Inc. | Interactive Brokers Group, Inc. | 7,470,522 | 9.7% | EDGAR |
| SC 13G/A | 2020-02-13 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Interactive Brokers Group, Inc. | 5,812,645 | 7.6% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | Interactive Brokers Group, Inc. | 5,698,664 | 7.4% | EDGAR |
| SC 13G/A | 2020-02-05 | BlackRock Inc. | Interactive Brokers Group, Inc. | 6,735,624 | 8.8% | EDGAR |
| SC 13G/A | 2020-01-16 | BAILLIE GIFFORD & CO | Interactive Brokers Group, Inc. | 7,239,630 | 9.4% | EDGAR |
| SC 13D | 2019-05-20 | Interactive Brokers Group, Inc. | UP Fintech Holding Ltd | 150,760,322 | 7.6% | EDGAR |
| SC 13G/A | 2019-02-14 | Bares Capital Management, Inc. | Interactive Brokers Group, Inc. | 6,929,471 | 9.2% | EDGAR |
| SC 13G/A | 2019-02-13 | VANGUARD GROUP INC | Interactive Brokers Group, Inc. | 4,743,561 | 6.3% | EDGAR |
| SC 13G | 2019-02-12 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | Interactive Brokers Group, Inc. | 566,525,175 | 7.5% | EDGAR |
| SC 13G/A | 2019-02-04 | BlackRock Inc. | Interactive Brokers Group, Inc. | 6,507,223 | 8.7% | EDGAR |
| SC 13G/A | 2019-01-11 | BAILLIE GIFFORD & CO | Interactive Brokers Group, Inc. | 6,814,747 | 9.1% | EDGAR |
| SC 13D/A | 2018-07-31 | IBG Holdings LLC | Interactive Brokers Group, Inc. | 1,537,727 | 82.2% | EDGAR |
| SC 13G/A | 2018-02-14 | LEE QUINCY J | Interactive Brokers Group, Inc. | 2,590,262 | 3.6% | EDGAR |
| SC 13G | 2018-02-14 | Bares Capital Management, Inc. | Interactive Brokers Group, Inc. | 4,842,582 | 6.8% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | Interactive Brokers Group, Inc. | 6,499,352 | 9.1% | EDGAR |
| SC 13G/A | 2018-01-26 | BAILLIE GIFFORD & CO | Interactive Brokers Group, Inc. | 6,017,670 | 8.4% | EDGAR |
| SC 13G/A | 2018-01-25 | BlackRock Inc. | Interactive Brokers Group, Inc. | 5,770,807 | 8.1% | EDGAR |
| SC 13G/A | 2017-11-09 | BlackRock Inc. | Interactive Brokers Group, Inc. | 7,212,956 | 10.1% | EDGAR |
| SC 13D/A | 2017-08-01 | IBG Holdings LLC | Interactive Brokers Group, Inc. | 2,301,060 | 83.2% | EDGAR |
| SC 13G/A | 2017-02-14 | Kylin Management LLC | Interactive Brokers Group, Inc. | 0 | 0.0% | EDGAR |