| May 1, 2018 | Marshall Wace LLP | 0.48% | still open |
| April 30, 2018 | Blackrock Institutional Trust Company, National Association | 1.17% | still open |
| April 26, 2018 | Marshall Wace LLP | 0.58% | still open |
| April 25, 2018 | Blackrock Institutional Trust Company, National Association | 1.29% | still open |
| April 23, 2018 | Marshall Wace LLP | 0.66% | still open |
| April 20, 2018 | Blackrock Institutional Trust Company, National Association | 1.39% | still open |
| April 20, 2018 | Blackrock Investment Management (UK) Limited | 0.59% | still open |
| April 3, 2018 | Blackrock Institutional Trust Company, National Association | 1.49% | still open |
| March 23, 2018 | Marshall Wace LLP | 0.79% | still open |
| March 15, 2018 | Blackrock Institutional Trust Company, National Association | 1.59% | still open |
| March 8, 2018 | GLG Partners LP | 0.60% | still open |
| March 2, 2018 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| March 1, 2018 | Blackrock Institutional Trust Company, National Association | 1.68% | still open |
| February 20, 2018 | Marshall Wace LLP | 0.89% | still open |
| February 19, 2018 | Blackrock Institutional Trust Company, National Association | 1.79% | still open |
| February 19, 2018 | Marshall Wace LLP | 0.90% | still open |
| February 6, 2018 | Marshall Wace LLP | 0.80% | still open |
| January 29, 2018 | Marshall Wace LLP | 0.71% | still open |
| January 25, 2018 | Blackrock Institutional Trust Company, National Association | 1.88% | still open |
| January 22, 2018 | Blackrock Institutional Trust Company, National Association | 1.91% | still open |
| January 18, 2018 | Marshall Wace LLP | 0.61% | still open |
| January 17, 2018 | Blackrock Institutional Trust Company, National Association | 1.83% | still open |
| January 5, 2018 | GLG Partners LP | 0.57% | still open |
| January 5, 2018 | Marshall Wace LLP | 0.50% | still open |
| January 3, 2018 | GLG Partners LP | 0.60% | still open |
| December 11, 2017 | GLG Partners LP | 0.50% | still open |
| December 6, 2017 | Blackrock Investment Management (UK) Limited | 0.59% | still open |
| December 1, 2017 | Blackrock Investment Management (UK) Limited | 0.65% | still open |
| November 27, 2017 | Blackrock Institutional Trust Company, National Association | 1.71% | still open |
| November 15, 2017 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| November 9, 2017 | GLG Partners LP | 0.49% | still open |
| November 3, 2017 | Blackrock Investment Management (UK) Limited | 0.89% | still open |
| November 1, 2017 | Blackrock Institutional Trust Company, National Association | 1.60% | still open |
| November 1, 2017 | GLG Partners LP | 0.50% | still open |
| October 24, 2017 | Blackrock Institutional Trust Company, National Association | 1.50% | still open |
| October 24, 2017 | Blackrock Investment Management (UK) Limited | 0.90% | still open |
| October 18, 2017 | Marshall Wace LLP | 0.49% | still open |
| October 13, 2017 | Blackrock Institutional Trust Company, National Association | 1.40% | still open |
| October 9, 2017 | Blackrock Institutional Trust Company, National Association | 1.32% | still open |
| October 2, 2017 | GLG Partners LP | 0.49% | still open |
| September 29, 2017 | Marshall Wace LLP | 0.59% | still open |
| September 29, 2017 | GLG Partners LP | 0.58% | still open |
| September 20, 2017 | Marshall Wace LLP | 0.60% | still open |
| September 15, 2017 | Blackrock Institutional Trust Company, National Association | 1.20% | still open |
| September 15, 2017 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| September 13, 2017 | GLG Partners LP | 0.69% | still open |
| September 12, 2017 | Blackrock Institutional Trust Company, National Association | 1.11% | still open |
| September 12, 2017 | Blackrock Investment Management (UK) Limited | 0.71% | still open |
| September 7, 2017 | Blackrock Investment Management (UK) Limited | 0.62% | still open |
| August 31, 2017 | Blackrock Institutional Trust Company, National Association | 1.02% | still open |