| August 14, 2018 | Sculptor Capital Management Europe Limited | 1.61% | still open |
| August 6, 2018 | Highbridge Capital Management LLC | 1.97% | still open |
| August 6, 2018 | Sculptor Capital Management Europe Limited | 1.52% | still open |
| August 1, 2018 | Highbridge Capital Management LLC | 1.85% | still open |
| July 31, 2018 | Sculptor Capital Management Europe Limited | 1.43% | still open |
| July 26, 2018 | Highbridge Capital Management LLC | 1.70% | still open |
| July 20, 2018 | Sculptor Capital Management Europe Limited | 1.31% | still open |
| June 27, 2018 | Highbridge Capital Management LLC | 1.63% | still open |
| June 20, 2018 | Sculptor Capital Management Europe Limited | 1.21% | still open |
| June 11, 2018 | Highbridge Capital Management LLC | 1.50% | still open |
| May 14, 2018 | Highbridge Capital Management LLC | 1.42% | still open |
| May 11, 2018 | Highbridge Capital Management LLC | 1.37% | still open |
| May 9, 2018 | Highbridge Capital Management LLC | 1.23% | still open |
| May 8, 2018 | Numeric Investors LLC | 0.49% | still open |
| May 8, 2018 | Marshall Wace LLP | 0.47% | still open |
| May 4, 2018 | Sculptor Capital Management Europe Limited | 1.12% | still open |
| April 30, 2018 | Sculptor Capital Management Europe Limited | 1.02% | still open |
| April 30, 2018 | Marshall Wace LLP | 0.58% | still open |
| April 30, 2018 | Millennium International Management LP | 0.45% | still open |
| April 27, 2018 | Sculptor Capital Management Europe Limited | 0.98% | still open |
| April 24, 2018 | Sculptor Capital Management Europe Limited | 0.81% | still open |
| April 24, 2018 | Marshall Wace LLP | 0.67% | still open |
| April 24, 2018 | Numeric Investors LLC | 0.59% | still open |
| April 23, 2018 | Highbridge Capital Management LLC | 1.17% | still open |
| April 23, 2018 | Polygon Global Partners LLP | 0.00% | still open |
| April 20, 2018 | Sculptor Capital Management Europe Limited | 0.73% | still open |
| April 19, 2018 | Sculptor Capital Management Europe Limited | 0.64% | still open |
| April 17, 2018 | Sculptor Capital Management Europe Limited | 0.50% | still open |
| April 17, 2018 | Arrowgrass Capital Partners LLP | 0.06% | still open |
| April 13, 2018 | Polygon Global Partners LLP | 0.71% | still open |
| April 13, 2018 | GSA Capital Partners LLP | 0.49% | still open |
| April 12, 2018 | Highbridge Capital Management LLC | 2.22% | still open |
| April 12, 2018 | Marshall Wace LLP | 0.78% | still open |
| April 12, 2018 | Arrowgrass Capital Partners LLP | 0.51% | still open |
| April 11, 2018 | Polygon Global Partners LLP | 0.60% | still open |
| April 5, 2018 | Highbridge Capital Management LLC | 2.12% | still open |
| April 5, 2018 | Marshall Wace LLP | 0.88% | still open |
| April 3, 2018 | Millennium International Management LP | 0.57% | still open |
| March 26, 2018 | GSA Capital Partners LLP | 0.59% | still open |
| March 16, 2018 | Highbridge Capital Management LLC | 2.05% | still open |
| March 16, 2018 | Millennium International Management LP | 0.65% | still open |
| March 1, 2018 | Marshall Wace LLP | 0.90% | still open |
| February 27, 2018 | Jpmorgan Asset Management (UK) LTD | 0.69% | still open |
| February 21, 2018 | Marshall Wace LLP | 0.89% | still open |
| February 16, 2018 | GSA Capital Partners LLP | 0.69% | still open |
| January 29, 2018 | Marshall Wace LLP | 0.91% | still open |
| January 16, 2018 | GSA Capital Partners LLP | 0.70% | still open |
| January 16, 2018 | Numeric Investors LLC | 0.68% | still open |
| January 5, 2018 | Marshall Wace LLP | 0.80% | still open |
| January 2, 2018 | Highbridge Capital Management LLC | 1.95% | still open |