| July 10, 2018 | Oceanwood Capital Management Limited | 1.11% | still open |
| July 6, 2018 | Oceanwood Capital Management Limited | 1.07% | still open |
| July 5, 2018 | Oceanwood Capital Management Limited | 0.90% | still open |
| June 29, 2018 | Marshall Wace LLP | 0.94% | still open |
| June 28, 2018 | Blackrock Institutional Trust Company, National Association | 0.68% | still open |
| June 26, 2018 | Marshall Wace LLP | 0.80% | still open |
| June 25, 2018 | Marshall Wace LLP | 0.72% | still open |
| June 21, 2018 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| June 21, 2018 | Marshall Wace LLP | 0.64% | still open |
| June 18, 2018 | Oceanwood Capital Management Limited | 0.81% | still open |
| June 18, 2018 | Marshall Wace LLP | 0.51% | still open |
| June 14, 2018 | White Square Partners Fund LP | 0.60% | still open |
| June 13, 2018 | White Square Partners Fund LP | 0.54% | still open |
| June 12, 2018 | Oceanwood Capital Management Limited | 0.70% | still open |
| June 11, 2018 | Oceanwood Capital Management Limited | 0.65% | still open |
| June 7, 2018 | Oceanwood Capital Management Limited | 0.51% | still open |
| June 1, 2018 | Blackrock Institutional Trust Company, National Association | 0.82% | still open |
| May 24, 2018 | Blackrock Investment Management (UK) Limited | 0.47% | still open |
| May 16, 2018 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| March 16, 2018 | Blackrock Institutional Trust Company, National Association | 0.80% | still open |
| March 9, 2018 | Blackrock Institutional Trust Company, National Association | 0.71% | still open |
| March 1, 2018 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| February 22, 2018 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| December 11, 2017 | Blackrock Investment Management (UK) Limited | 0.51% | still open |
| October 19, 2017 | SFM UK Management LLP | 0.87% | still open |
| September 21, 2017 | Silver Point Capital, L.P. | 0.82% | still open |
| September 19, 2017 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| September 1, 2017 | Silver Point Capital, L.P. | 0.72% | still open |
| August 31, 2017 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| August 28, 2017 | Blackrock Institutional Trust Company, National Association | 0.61% | still open |
| August 28, 2017 | Silver Point Capital, L.P. | 0.61% | still open |
| August 23, 2017 | Silver Point Capital, L.P. | 0.53% | still open |
| June 27, 2017 | Wellington Management Company, LLP | 0.38% | still open |
| April 20, 2017 | Wellington Management Company, LLP | 0.50% | still open |
| December 15, 2016 | York Capital Management Global Advisors, LLC | 0.31% | still open |
| December 8, 2016 | York Capital Management Global Advisors, LLC | 0.56% | still open |
| December 7, 2016 | York Capital Management Global Advisors, LLC | 0.66% | still open |
| November 18, 2016 | GAM Investment Management (switzerland) LTD. ? Lugano Branch. | 0.47% | still open |
| November 11, 2016 | Marshall Wace LLP | 0.49% | still open |
| November 7, 2016 | Marshall Wace LLP | 0.58% | still open |
| November 3, 2016 | GAM Investment Management (switzerland) LTD. ? Lugano Branch. | 0.68% | still open |
| November 3, 2016 | D. E. Shaw & CO. LP | 0.47% | still open |
| October 17, 2016 | Marshall Wace LLP | 0.61% | still open |
| October 10, 2016 | Marshall Wace LLP | 0.51% | still open |
| September 21, 2016 | D. E. Shaw & CO. LP | 0.69% | still open |
| September 9, 2016 | York Capital Management Global Advisors, LLC | 0.86% | still open |
| September 9, 2016 | Marshall Wace LLP | 0.43% | still open |
| September 8, 2016 | York Capital Management Global Advisors, LLC | 0.91% | still open |
| September 7, 2016 | York Capital Management Global Advisors, LLC | 1.01% | still open |
| September 6, 2016 | York Capital Management Global Advisors, LLC | 1.11% | still open |
| August 30, 2016 | Marshall Wace LLP | 0.59% | still open |
| August 23, 2016 | Marshall Wace LLP | 0.68% | still open |
| August 2, 2016 | Marshall Wace LLP | 0.79% | still open |
| July 29, 2016 | Marshall Wace LLP | 0.85% | still open |
| July 26, 2016 | Marshall Wace LLP | 0.99% | still open |
| July 25, 2016 | Marshall Wace LLP | 1.04% | still open |
| July 25, 2016 | D. E. Shaw & CO. LP | 0.70% | still open |
| July 20, 2016 | Marshall Wace LLP | 1.18% | still open |
| July 12, 2016 | Marshall Wace LLP | 1.28% | still open |
| July 12, 2016 | York Capital Management Global Advisors, LLC | 1.20% | still open |
| July 11, 2016 | D. E. Shaw & CO. LP | 0.62% | still open |
| July 6, 2016 | Marshall Wace LLP | 1.30% | still open |
| July 6, 2016 | GAM Investment Management (switzerland) LTD. ? Lugano Branch. | 0.60% | still open |
| July 5, 2016 | Marshall Wace LLP | 1.22% | still open |
| July 5, 2016 | GAM Investment Management (switzerland) LTD. ? Lugano Branch. | 0.54% | still open |
| July 5, 2016 | D. E. Shaw & CO. LP | 0.50% | still open |
| July 1, 2016 | Marshall Wace LLP | 1.13% | still open |
| June 29, 2016 | Marshall Wace LLP | 1.03% | still open |
| June 28, 2016 | Marshall Wace LLP | 0.98% | still open |
| June 28, 2016 | Jane Street Group, LLC | 0.46% | still open |
| June 27, 2016 | Marshall Wace LLP | 0.86% | still open |
| June 24, 2016 | York Capital Management Global Advisors, LLC | 1.12% | still open |
| June 24, 2016 | Marshall Wace LLP | 0.68% | still open |
| June 24, 2016 | Jane Street Group, LLC | 0.58% | still open |
| June 22, 2016 | Marshall Wace LLP | 0.55% | still open |
| June 17, 2016 | Jane Street Group, LLC | 0.65% | still open |
| June 16, 2016 | SFM UK Management LLP | 0.99% | still open |