| SC 13G/A | 2018-02-08 | VANGUARD GROUP INC | CME GROUP INC. | 24,090,982 | 7.1% | EDGAR |
| SC 13G/A | 2018-01-29 | BlackRock Inc. | CME GROUP INC. | 26,871,311 | 7.9% | EDGAR |
| SC 13G/A | 2017-02-13 | Capital World Investors | CME GROUP INC. | 32,410,640 | 9.5% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | CME GROUP INC. | 21,426,152 | 6.3% | EDGAR |
| SC 13G | 2017-02-09 | STATE STREET CORP | CME GROUP INC. | - | 5.3% | EDGAR |
| SC 13G/A | 2017-01-23 | BlackRock Inc. | CME GROUP INC. | 30,622,190 | 9.0% | EDGAR |
| SC 13G/A | 2016-02-12 | Capital World Investors | CME GROUP INC. | 33,703,658 | 9.9% | EDGAR |
| SC 13G | 2016-02-11 | VANGUARD GROUP INC | CME GROUP INC. | 19,025,727 | 5.6% | EDGAR |
| SC 13G/A | 2016-02-10 | BlackRock Inc. | CME GROUP INC. | 25,593,256 | 7.6% | EDGAR |
| SC 13D/A | 2015-09-15 | BM&FBOVESPA S.A. - Securities, Commodities & Futures Exchange | CME GROUP INC. | 13,582,176 | 4.0% | EDGAR |
| SC 13G/A | 2015-02-13 | Capital World Investors | CME GROUP INC. | 38,496,140 | 11.4% | EDGAR |
| SC 13G | 2015-02-06 | BlackRock Inc. | CME GROUP INC. | 19,841,229 | 5.9% | EDGAR |
| SC 13D | 2014-08-11 | CME GROUP INC. | GFI Group Inc. | 48,209,304 | 38.1% | EDGAR |
| SC 13G/A | 2014-02-13 | Capital World Investors | CME GROUP INC. | 40,433,480 | 12.1% | EDGAR |
| SC 13G | 2013-01-09 | Capital World Investors | CME GROUP INC. | 35,386,210 | 10.6% | EDGAR |
| SC 13G/A | 2012-08-09 | BlackRock Inc. | CME GROUP INC. | 14,665,909 | 4.4% | EDGAR |
| SC 13G/A | 2012-02-13 | BlackRock Inc. | CME GROUP INC. | 3,210,360 | 5.9% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | CME GROUP INC. | 2,600,168 | 3.9% | EDGAR |
| SC 13G/A | 2011-02-03 | BlackRock Inc. | CME GROUP INC. | 3,307,838 | 6.1% | EDGAR |
| SC 13D | 2010-07-26 | BM&FBOVESPA S.A. - Securities, Commodities & Futures Exchange | CME GROUP INC. | 3,395,544 | 5.0% | EDGAR |