| 1 | MASON CAPITAL MANAGEMENT LLC | 15,563,568 | $428.6M | 76.32% | Share |
| 2 | EdgePoint Investment Group Inc. | 6,888,785 | $189.8M | 1.56% | Share |
| 3 | ROYAL BANK OF CANADA | 6,409,707 | $176.0M | 0.03% | Share |
| 4 | Beutel, Goodman & Co Ltd. | 5,837,138 | $161.0M | 0.99% | Share |
| 5 | Turtle Creek Asset Management Inc. | 5,642,052 | $155.4M | 6.84% | Share |
| 6 | FAIRFAX FINANCIAL HOLDINGS LTD/ CAN | 2,486,400 | $68.3M | 3.28% | Share |
| 7 | Connor, Clark & Lunn Investment Management Ltd. | 2,485,638 | $68.0M | 0.18% | Share |
| 8 | VANGUARD GROUP INC | 2,339,481 | $64.4M | 0.00% | Share |
| 9 | FMR LLC | 2,087,535 | $57.0M | 0.00% | Share |
| 10 | BANK OF MONTREAL /CAN/ | 2,030,641 | $55.0M | 0.02% | Share |
| 11 | ACK Asset Management LLC | 1,846,196 | $50.8M | 6.38% | Share |
| 12 | Hill City Capital, LP | 1,649,857 | $45.4M | 1.72% | Share |
| 13 | Alberta Investment Management Corp | 1,340,265 | $36.0M | 0.12% | Share |
| 14 | Scheer, Rowlett & Associates Investment Management Ltd. | 1,226,450 | $33.8M | 2.32% | Share |
| 15 | ROYAL BANK OF CANADA | 1,127,532 | $31.0M | 0.01% | Share |
| 16 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1,141,835 | $31.0M | 0.05% | Share |
| 17 | Clearbridge Investments, LLC | 1,111,485 | $30.0M | 0.02% | Share |
| 18 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 815,031 | $30.0M | 0.26% | Share |
| 19 | Marathon Asset Management Ltd | 1,097,711 | $30.0M | 1.15% | Share |
| 20 | NORGES BANK | 1,079,090 | $29.0M | 0.00% | Share |
| 21 | TD Waterhouse Canada Inc. | 966,349 | $26.5M | 0.16% | Share |
| 22 | Invesco Ltd. | 931,200 | $25.6M | 0.00% | Share |
| 23 | PRINCIPAL FINANCIAL GROUP INC | 878,240 | $24.2M | 0.01% | Share |
| 24 | JANUS HENDERSON GROUP PLC | 840,932 | $23.0M | 0.01% | Share |
| 25 | 1832 Asset Management L.P. | 818,559 | $22.0M | 0.02% | Share |
| 26 | MACKENZIE FINANCIAL CORP | 758,980 | $21.0M | 0.02% | Share |
| 27 | VANGUARD GROUP INC | 741,992 | $20.4M | 0.00% | Share |
| 28 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 753,492 | $20.0M | 0.03% | Share |
| 29 | TD ASSET MANAGEMENT INC | 739,994 | $20.0M | 0.02% | Share |
| 30 | BANK OF MONTREAL /CAN/ | 695,507 | $19.0M | 0.01% | Share |
| 31 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 558,675 | $15.4M | 0.00% | Share |
| 32 | Legal & General Group Plc | 528,298 | $14.0M | 0.00% | Share |
| 33 | BANK OF AMERICA CORP /DE/ | 490,998 | $13.0M | 0.00% | Share |
| 34 | BANK OF AMERICA CORP /DE/ | 466,860 | $12.0M | 0.00% | Share |
| 35 | TD ASSET MANAGEMENT INC | 453,214 | $12.0M | 0.01% | Share |
| 36 | AGF MANAGEMENT LTD | 400,140 | $11.0M | 0.05% | Share |
| 37 | NATIONAL BANK OF CANADA /FI/ | 373,605 | $10.0M | 0.01% | Share |
| 38 | CIBC WORLD MARKET INC. | 354,069 | $9.0M | 0.01% | Share |
| 39 | Invesco Ltd. | 320,201 | $8.8M | 0.00% | Share |
| 40 | BANK OF MONTREAL /CAN/ | 296,203 | $8.0M | 0.00% | Share |
| 41 | Front Street Capital Management, Inc. | 286,994 | $7.9M | 1.12% | Share |
| 42 | Van Berkom & Associates Inc. | 269,136 | $7.4M | 0.21% | Share |
| 43 | MONTRUSCO BOLTON INVESTMENTS INC. | 254,681 | $7.0M | 0.09% | Share |
| 44 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 287,829 | $7.0M | 0.02% | Share |
| 45 | VANGUARD GROUP INC | 239,536 | $6.6M | 0.00% | Share |
| 46 | UBS Group AG | 219,874 | $6.1M | 0.00% | Share |
| 47 | GOLDMAN SACHS GROUP INC | 253,511 | $6.0M | 0.00% | Share |
| 48 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 236,332 | $6.0M | 0.00% | Share |
| 49 | Dixon Mitchell Investment Counsel Inc. | 211,025 | $5.8M | 0.19% | Share |
| 50 | LOUISBOURG INVESTMENTS INC. | 207,130 | $5.7M | 1.14% | Share |