| SC 13G/A | 2018-02-14 | CREDIT SUISSE AG/ | ADVISORY BOARD CO | 0 | 0.0% | EDGAR |
| SC 13D/A | 2017-08-30 | ELLIOTT ASSOCIATES, L.P. | ADVISORY BOARD CO | 521,898 | 1.3% | EDGAR |
| SC 13D/A | 2017-03-03 | ELLIOTT ASSOCIATES, L.P. | ADVISORY BOARD CO | 649,898 | 1.6% | EDGAR |
| SC 13G/A | 2017-02-14 | TPG Group Holdings (SBS) Advisors, Inc. | ADVISORY BOARD CO | 1,840,581 | 4.6% | EDGAR |
| SC 13G | 2017-02-14 | CREDIT SUISSE AG/ | ADVISORY BOARD CO | 2,244,178 | 5.6% | EDGAR |
| SC 13G | 2017-02-14 | CREDIT SUISSE AG/ | ADVISORY BOARD CO | 2,244,178 | 5.6% | EDGAR |
| SC 13G/A | 2017-02-13 | ADVISORY BOARD CO | Evolent Health, Inc. | 9,336,855 | 16.2% | EDGAR |
| SC 13G/A | 2017-02-13 | TimesSquare Capital Management, LLC | ADVISORY BOARD CO | 2,751,137 | 6.9% | EDGAR |
| SC 13G | 2017-02-13 | JANUS CAPITAL MANAGEMENT LLC | ADVISORY BOARD CO | 2,471,724 | 6.2% | EDGAR |
| SC 13D/A | 2017-02-09 | ELLIOTT ASSOCIATES, L.P. | ADVISORY BOARD CO | 521,898 | 1.3% | EDGAR |
| SC 13G/A | 2017-02-09 | VANGUARD GROUP INC | ADVISORY BOARD CO | 3,039,807 | 7.6% | EDGAR |
| SC 13G/A | 2017-02-06 | PRICE T ROWE ASSOCIATES INC /MD/ | ADVISORY BOARD CO | 449,238 | 1.1% | EDGAR |
| SC 13G/A | 2017-01-24 | RIVERBRIDGE PARTNERS LLC | ADVISORY BOARD CO | 1,843,696 | 4.6% | EDGAR |
| SC 13G/A | 2017-01-19 | BlackRock Inc. | ADVISORY BOARD CO | 2,486,960 | 6.2% | EDGAR |
| SC 13D | 2017-01-12 | ELLIOTT ASSOCIATES, L.P. | ADVISORY BOARD CO | 316,321 | 0.8% | EDGAR |
| SC 13G | 2016-06-20 | TPG Group Holdings (SBS) Advisors, Inc. | ADVISORY BOARD CO | 2,100,478 | 5.1% | EDGAR |
| SC 13G | 2016-05-27 | ADVISORY BOARD CO | Evolent Health, Inc. | 11,591,096 | 24.3% | EDGAR |
| SC 13G/A | 2016-02-11 | PRICE T ROWE ASSOCIATES INC /MD/ | ADVISORY BOARD CO | 3,891,404 | 9.2% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | ADVISORY BOARD CO | 2,876,558 | 6.9% | EDGAR |
| SC 13G/A | 2016-02-10 | TimesSquare Capital Management, LLC | ADVISORY BOARD CO | 2,462,362 | 5.9% | EDGAR |