| SC 13G/A | 2018-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | Cboe Global Markets, Inc. | 14,037,419 | 12.3% | EDGAR |
| SC 13G/A | 2018-02-14 | RENAISSANCE TECHNOLOGIES LLC | Cboe Global Markets, Inc. | 4,520,000 | 4.0% | EDGAR |
| SC 13G/A | 2018-02-13 | FMR LLC | Cboe Global Markets, Inc. | 7,139,489 | 6.3% | EDGAR |
| SC 13G | 2018-02-01 | BlackRock Inc. | Cboe Global Markets, Inc. | 8,088,983 | 7.1% | EDGAR |
| SC 13G/A | 2018-01-10 | VANGUARD GROUP INC | Cboe Global Markets, Inc. | 11,347,583 | 10.0% | EDGAR |
| SC 13G/A | 2017-08-10 | FMR LLC | CBOE Holdings, Inc. | 11,484,229 | 10.2% | EDGAR |
| SC 13G/A | 2017-05-09 | BlackRock Inc. | CBOE Holdings, Inc. | 5,501,132 | 4.9% | EDGAR |
| SC 13G/A | 2017-02-14 | RENAISSANCE TECHNOLOGIES LLC | CBOE Holdings, Inc. | 4,386,100 | 5.4% | EDGAR |
| SC 13G | 2017-02-14 | FMR LLC | CBOE Holdings, Inc. | 6,222,312 | 7.7% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | CBOE Holdings, Inc. | 6,134,287 | 7.5% | EDGAR |
| SC 13G/A | 2017-02-07 | PRICE T ROWE ASSOCIATES INC /MD/ | CBOE Holdings, Inc. | 12,571,906 | 15.4% | EDGAR |
| SC 13G/A | 2017-01-23 | BlackRock Inc. | CBOE Holdings, Inc. | 6,285,694 | 7.7% | EDGAR |
| SC 13G/A | 2016-02-11 | PRICE T ROWE ASSOCIATES INC /MD/ | CBOE Holdings, Inc. | 9,678,068 | 11.7% | EDGAR |
| SC 13G | 2016-02-11 | RENAISSANCE TECHNOLOGIES LLC | CBOE Holdings, Inc. | 4,399,700 | 5.4% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | CBOE Holdings, Inc. | 5,647,285 | 6.8% | EDGAR |
| SC 13G/A | 2016-01-26 | BlackRock Inc. | CBOE Holdings, Inc. | 5,881,983 | 7.1% | EDGAR |
| SC 13G | 2015-02-20 | HERNDON CAPITAL MANAGEMENT LLC | CBOE Holdings, Inc. | 4,042,580 | 4.8% | EDGAR |
| SC 13G/A | 2015-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | CBOE Holdings, Inc. | 8,464,817 | 10.0% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | CBOE Holdings, Inc. | 5,138,255 | 6.1% | EDGAR |
| SC 13G/A | 2015-02-09 | PRICE T ROWE ASSOCIATES INC /MD/ | CBOE Holdings, Inc. | 8,420,877 | 9.9% | EDGAR |