| September 3, 2018 | Blackrock Institutional Trust Company, National Association | 0.48% | still open |
| August 24, 2018 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| July 10, 2018 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| June 26, 2018 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| June 15, 2018 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| June 12, 2018 | Marshall Wace LLP | 0.49% | still open |
| June 4, 2018 | Marshall Wace LLP | 0.57% | still open |
| May 24, 2018 | Blackrock Institutional Trust Company, National Association | 0.52% | still open |
| May 23, 2018 | Marshall Wace LLP | 0.68% | still open |
| May 11, 2018 | Marshall Wace LLP | 0.79% | still open |
| May 2, 2018 | Marshall Wace LLP | 0.89% | still open |
| April 6, 2018 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| April 5, 2018 | Marshall Wace LLP | 0.91% | still open |
| March 26, 2018 | Marshall Wace LLP | 0.80% | still open |
| March 16, 2018 | Marshall Wace LLP | 0.71% | still open |
| February 28, 2018 | Marshall Wace LLP | 0.62% | still open |
| February 15, 2018 | Marshall Wace LLP | 0.58% | still open |
| February 8, 2018 | Marshall Wace LLP | 0.60% | still open |
| February 7, 2018 | Blackrock Institutional Trust Company, National Association | 0.55% | still open |
| February 5, 2018 | Marshall Wace LLP | 0.51% | still open |
| December 19, 2017 | Blackrock Institutional Trust Company, National Association | 0.48% | still open |
| December 8, 2017 | Blackrock Institutional Trust Company, National Association | 0.52% | still open |
| November 28, 2017 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| November 8, 2017 | Blackrock Institutional Trust Company, National Association | 0.52% | still open |
| December 29, 2015 | Jabre Capital Partners SA | 0.47% | still open |
| December 28, 2015 | Jabre Capital Partners SA | 0.38% | still open |
| December 22, 2015 | Jabre Capital Partners SA | 0.59% | still open |
| December 7, 2015 | Blackrock Institutional Trust Company, National Association | 0.47% | still open |
| November 18, 2015 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| October 5, 2015 | Jabre Capital Partners SA | 0.62% | still open |
| September 22, 2015 | Jabre Capital Partners SA | 0.50% | still open |
| September 15, 2015 | CQS (UK) LLP | 0.00% | still open |
| September 10, 2015 | CQS (UK) LLP | 0.85% | still open |
| September 9, 2015 | Jabre Capital Partners SA | 0.45% | still open |
| September 1, 2015 | Jabre Capital Partners SA | 0.50% | still open |
| July 9, 2015 | CQS (UK) LLP | 0.93% | still open |
| May 12, 2015 | CQS (UK) LLP | 0.83% | still open |
| March 19, 2015 | CQS (UK) LLP | 0.78% | still open |
| March 17, 2015 | CQS (UK) LLP | 0.60% | still open |
| March 11, 2015 | CQS (UK) LLP | 0.51% | still open |