| FIRST MANHATTAN CO. LLC. | 3,256,970 | $69.2m | 0.2% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2,033,038 | $43.2m | 0.0% |
| Encompass Capital Advisors LLC | 1,858,313 | $39.5m | 1.4% |
| HORIZON KINETICS ASSET MANAGEMENT LLC | 1,684,213 | $35.8m | 0.4% |
| Merewether Investment Management, LP | 873,238 | $18.6m | 0.3% |
| CIBC Bancorp USA Inc. | 726,015 | $15.4m | 0.0% |
| EAGLE GLOBAL ADVISORS LLC | 700,000 | $14.9m | 0.5% |
| BlackRock, Inc. | 605,848 | $12.9m | 0.0% |
| CITADEL ADVISORS LLC | 549,394 | $11.7m | 0.0% |
| Yaupon Capital Management LP | 535,716 | $11.4m | 0.2% |
| SCHWARTZ INVESTMENT COUNSEL INC | 488,115 | $10.4m | 0.3% |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | 470,000 | $10.0m | 0.4% |
| Covalis Capital LLP | 271,486 | $5.8m | 0.3% |
| Amicus Financial Advisors, LLC | 189,301 | $4.0m | 1.0% |
| Russell Investments Group, Ltd. | 173,008 | $3.7m | 0.0% |
| Sourcerock Group LLC | 167,460 | $3.6m | 0.2% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 160,000 | $3.4m | 0.1% |
| JANE STREET GROUP, LLC | 153,744 | $3.3m | 0.0% |
| SEVEN GRAND MANAGERS, LLC | 150,000 | $3.2m | 0.1% |
| MARSHALL WACE, LLP | 123,612 | $2.6m | 0.0% |
| Ghisallo Capital Management LLC | 110,000 | $2.3m | 0.0% |
| Burkehill Global Management, LP | 110,000 | $2.3m | 0.1% |
| LMR Partners LLP | 102,680 | $2.2m | 0.0% |
| Schonfeld Strategic Advisors LLC | 102,290 | $2.2m | 0.0% |
| D. E. Shaw & Co., Inc. | 100,000 | $2.1m | 0.0% |