| January 28, 2015 | Pennant Capital Management LLC | 2.03% | still open |
| January 27, 2015 | Pennant Capital Management LLC | 1.98% | still open |
| January 26, 2015 | Susa Fund Management LLP | 0.78% | still open |
| January 26, 2015 | Marshall Wace LLP | 0.60% | still open |
| January 23, 2015 | Pennant Capital Management LLC | 1.82% | still open |
| January 22, 2015 | Pennant Capital Management LLC | 1.74% | still open |
| January 22, 2015 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| January 22, 2015 | Marshall Wace LLP | 0.50% | still open |
| January 22, 2015 | Bluecrest Capital Management Limited | 0.49% | still open |
| January 21, 2015 | Pennant Capital Management LLC | 1.57% | still open |
| January 21, 2015 | Odey Asset Management LLP | 0.35% | still open |
| January 20, 2015 | Blackrock Institutional Trust Company, National Association | 0.89% | still open |
| January 16, 2015 | Blackrock Institutional Trust Company, National Association | 0.90% | still open |
| January 13, 2015 | Blackrock Institutional Trust Company, National Association | 0.87% | still open |
| January 8, 2015 | Blackrock Institutional Trust Company, National Association | 0.94% | still open |
| January 8, 2015 | Bluecrest Capital Management Limited | 0.51% | still open |
| January 7, 2015 | Blackrock Institutional Trust Company, National Association | 1.04% | still open |
| January 1, 2015 | Bluecrest Capital Management Limited | 0.49% | still open |
| December 29, 2014 | AQR Capital Management, LLC | 0.49% | still open |
| December 19, 2014 | Blackrock Institutional Trust Company, National Association | 1.15% | still open |
| December 4, 2014 | Odey Asset Management LLP | 0.66% | still open |
| December 4, 2014 | Citadel Europe LLP | 0.41% | still open |
| December 3, 2014 | AQR Capital Management, LLC | 0.50% | still open |
| December 2, 2014 | Bluecrest Capital Management Limited | 0.69% | still open |
| November 19, 2014 | Citadel Europe LLP | 0.57% | still open |
| November 17, 2014 | Citadel Europe LLP | 0.68% | still open |
| November 13, 2014 | Blackrock Institutional Trust Company, National Association | 1.26% | still open |
| November 12, 2014 | Citadel Europe LLP | 0.77% | still open |
| November 4, 2014 | Blackrock Institutional Trust Company, National Association | 1.32% | still open |
| October 31, 2014 | Blackrock Institutional Trust Company, National Association | 1.29% | still open |
| October 31, 2014 | Citadel Europe LLP | 0.83% | still open |
| October 28, 2014 | Blackrock Institutional Trust Company, National Association | 1.39% | still open |
| October 28, 2014 | Bluecrest Capital Management Limited | 0.70% | still open |
| October 28, 2014 | Susa Fund Management LLP | 0.66% | still open |
| October 27, 2014 | Blackrock Institutional Trust Company, National Association | 1.42% | still open |
| October 27, 2014 | Citadel Europe LLP | 0.91% | still open |
| October 23, 2014 | Citadel Europe LLP | 0.80% | still open |
| October 23, 2014 | Bluecrest Capital Management Limited | 0.68% | still open |
| October 22, 2014 | Bluecrest Capital Management Limited | 0.70% | still open |
| October 21, 2014 | Citadel Europe LLP | 0.71% | still open |
| October 20, 2014 | Blackrock Institutional Trust Company, National Association | 1.39% | still open |
| October 17, 2014 | Blackrock Institutional Trust Company, National Association | 1.40% | still open |
| October 17, 2014 | Susa Fund Management LLP | 0.37% | still open |
| October 16, 2014 | Blackrock Institutional Trust Company, National Association | 1.25% | still open |
| October 16, 2014 | Susa Fund Management LLP | 0.55% | still open |
| October 16, 2014 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| October 13, 2014 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| October 8, 2014 | Blackrock Institutional Trust Company, National Association | 1.04% | still open |
| September 29, 2014 | Citadel Europe LLP | 0.69% | still open |
| September 23, 2014 | Citadel Europe LLP | 0.76% | still open |