| Corvex Management LP | 19,813,963 | $287.7m | 8.8% |
| BlackRock, Inc. | 15,985,608 | $232.1m | 0.0% |
| FMR LLC | 9,822,941 | $142.6m | 0.0% |
| Alberta Investment Management Corp | 5,500,000 | $79.9m | 0.4% |
| Greenstone Partners & Co., LLC | 5,094,356 | $74.0m | 17.1% |
| ROYAL BANK OF CANADA | 4,989,582 | $72.4m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,971,162 | $72.2m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4,477,660 | $65.0m | 0.0% |
| STATE STREET CORP | 4,337,120 | $63.0m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 4,282,449 | $62.2m | 0.0% |
| Park West Asset Management LLC | 3,037,983 | $44.1m | 3.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,911,277 | $42.3m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 2,612,432 | $37.9m | 0.0% |
| Broad Bay Capital Management, LP | 2,310,000 | $33.5m | 3.1% |
| Ancora Advisors LLC | 2,093,530 | $30.4m | 0.6% |
| Stanley Capital Management, LLC | 2,041,107 | $29.6m | 3.9% |
| GOLDMAN SACHS GROUP INC | 1,999,805 | $29.0m | 0.0% |
| BOONE CAPITAL MANAGEMENT LLC | 1,900,140 | $27.6m | 6.5% |
| JANE STREET GROUP, LLC | 1,511,762 | $22.0m | 0.0% |
| Jefferies Financial Group Inc. | 1,181,475 | $17.2m | 0.1% |
| Invesco Ltd. | 1,151,287 | $16.7m | 0.0% |
| NORTHERN TRUST CORP | 1,139,811 | $16.6m | 0.0% |
| MORGAN STANLEY | 1,109,557 | $16.1m | 0.0% |
| BANK OF AMERICA CORP /DE/ | 1,091,062 | $15.8m | 0.0% |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1,025,411 | $14.9m | 0.0% |