| General Motors Holdings LLC | 12,500,000 | $18.8m | 23.5% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 5,300,000 | $8.0m | 0.0% |
| Amundi | 5,061,012 | $7.6m | 0.0% |
| DLD Asset Management, LP | 3,198,671 | $4.8m | 0.3% |
| FIL Ltd | 1,750,000 | $2.6m | 0.0% |
| Caisse de depot et placement du Quebec | 1,519,006 | $2.2m | 0.0% |
| Covalis Capital LLP | 1,363,226 | $2.0m | 0.1% |
| Anson Funds Management LP | 1,251,700 | $1.9m | 0.1% |
| RENAISSANCE TECHNOLOGIES LLC | 1,242,879 | $1.9m | 0.0% |
| Federation des caisses Desjardins du Quebec | 1,118,380 | $1.7m | 0.0% |
| K.J. Harrison & Partners Inc | 500,000 | $738,916 | 0.1% |
| Militia Capital Management LLC | 450,072 | $675,108 | 0.0% |
| TWO SIGMA INVESTMENTS, LP | 310,947 | $466,421 | 0.0% |
| BANK OF MONTREAL /CAN/ | 311,289 | $460,463 | 0.0% |
| LuminArx Capital Management LP | 295,000 | $442,500 | 0.2% |
| WHITEBOX ADVISORS LLC | 291,600 | $437,400 | 0.0% |
| ALPS ADVISORS INC | 268,723 | $403,085 | 0.0% |
| Centiva Capital, LP | 250,280 | $370,034 | 0.0% |
| NATIONAL BANK OF CANADA /FI/ | 185,060 | $273,985 | 0.0% |
| GOLDMAN SACHS GROUP INC | 167,139 | $250,709 | 0.0% |
| TD Asset Management Inc | 147,913 | $218,937 | 0.0% |
| MACKENZIE FINANCIAL CORP | 98,819 | $207,520 | 0.0% |
| Periscope Capital Inc. | 125,000 | $187,500 | 0.0% |
| Schonfeld Strategic Advisors LLC | 118,874 | $178,310 | 0.0% |
| Banque Cantonale Vaudoise | 116,000 | $172,000 | 0.0% |