| March 5, 2018 | Connor, Clark & Lunn Investment Management Ltd. | 0.50% | still open |
| February 27, 2018 | AQR Capital Management, LLC | 1.94% | still open |
| February 26, 2018 | AQR Capital Management, LLC | 1.88% | still open |
| February 23, 2018 | AQR Capital Management, LLC | 1.90% | still open |
| February 19, 2018 | AQR Capital Management, LLC | 1.89% | still open |
| February 16, 2018 | BlueMountain Capital Management, LLC | 0.51% | still open |
| February 15, 2018 | AQR Capital Management, LLC | 1.90% | still open |
| January 17, 2018 | AQR Capital Management, LLC | 1.88% | still open |
| January 16, 2018 | AQR Capital Management, LLC | 1.90% | still open |
| January 12, 2018 | AQR Capital Management, LLC | 1.89% | still open |
| December 19, 2017 | BlackRock Institutional Trust Company, National Association | 0.49% | still open |
| December 13, 2017 | AQR Capital Management, LLC | 1.99% | still open |
| December 13, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| December 8, 2017 | BlackRock Institutional Trust Company, National Association | 0.49% | still open |
| December 4, 2017 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| November 30, 2017 | AQR Capital Management, LLC | 2.08% | still open |
| November 28, 2017 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| November 8, 2017 | AQR Capital Management, LLC | 2.18% | still open |
| November 8, 2017 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| November 3, 2017 | Connor, Clark & Lunn Investment Management Ltd. | 0.49% | still open |
| October 20, 2017 | AQR Capital Management, LLC | 2.29% | still open |
| October 20, 2017 | Connor, Clark & Lunn Investment Management Ltd. | 0.50% | still open |
| October 10, 2017 | BlackRock Institutional Trust Company, National Association | 0.68% | still open |
| October 6, 2017 | BlackRock Institutional Trust Company, National Association | 0.72% | still open |
| September 30, 2017 | AQR Capital Management, LLC | 2.39% | still open |
| September 27, 2017 | Connor, Clark & Lunn Investment Management Ltd. | 0.49% | still open |
| September 26, 2017 | AQR Capital Management, LLC | 2.48% | still open |
| September 20, 2017 | AQR Capital Management, LLC | 2.59% | still open |
| September 19, 2017 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| September 6, 2017 | AQR Capital Management, LLC | 2.69% | still open |
| August 31, 2017 | AQR Capital Management, LLC | 2.70% | still open |
| August 25, 2017 | AQR Capital Management, LLC | 2.69% | still open |
| August 23, 2017 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| August 23, 2017 | Connor, Clark & Lunn Investment Management Ltd. | 0.50% | still open |
| August 21, 2017 | AHL Partners LLP | 0.45% | still open |
| August 17, 2017 | BlackRock Institutional Trust Company, National Association | 0.64% | still open |
| August 14, 2017 | AQR Capital Management, LLC | 2.78% | still open |
| August 10, 2017 | BlackRock Institutional Trust Company, National Association | 0.71% | still open |
| July 28, 2017 | AQR Capital Management, LLC | 2.81% | still open |
| July 28, 2017 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| July 20, 2017 | AQR Capital Management, LLC | 2.71% | still open |
| July 18, 2017 | Oxford Asset Management | 0.49% | still open |
| July 13, 2017 | AQR Capital Management, LLC | 2.61% | still open |
| July 13, 2017 | AHL Partners LLP | 0.52% | still open |
| July 12, 2017 | Oxford Asset Management | 0.59% | still open |
| July 10, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| July 7, 2017 | Valiant Capital Management, LP | 0.45% | still open |
| July 6, 2017 | AQR Capital Management, LLC | 2.52% | still open |
| July 6, 2017 | BlackRock Institutional Trust Company, National Association | 0.47% | still open |
| July 5, 2017 | Oxford Asset Management | 0.61% | still open |