| January 7, 2014 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| December 23, 2013 | Marshall Wace LLP | 0.89% | still open |
| December 12, 2013 | Marshall Wace LLP | 0.90% | still open |
| December 12, 2013 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| December 9, 2013 | Marshall Wace LLP | 0.80% | still open |
| November 29, 2013 | Marshall Wace LLP | 0.72% | still open |
| November 25, 2013 | Marshall Wace LLP | 0.68% | still open |
| November 21, 2013 | Marshall Wace LLP | 0.70% | still open |
| November 19, 2013 | Marshall Wace LLP | 0.62% | still open |
| November 15, 2013 | Marshall Wace LLP | 0.55% | still open |
| November 14, 2013 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| July 19, 2013 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| July 16, 2013 | Blackrock Institutional Trust Company, National Association | 0.57% | still open |
| July 12, 2013 | Blackrock Institutional Trust Company, National Association | 0.63% | still open |
| July 4, 2013 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| June 28, 2013 | Blackrock Institutional Trust Company, National Association | 0.89% | still open |
| June 27, 2013 | Blackrock Advisors (UK) Limited | 0.47% | still open |
| June 26, 2013 | Blackrock Institutional Trust Company, National Association | 1.07% | still open |
| June 26, 2013 | Blackrock Investment Management (UK) Limited | 0.48% | still open |
| June 25, 2013 | Blackrock Institutional Trust Company, National Association | 1.10% | still open |
| June 25, 2013 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| June 20, 2013 | Blackrock Advisors (UK) Limited | 0.50% | still open |
| June 19, 2013 | Blackrock Advisors (UK) Limited | 0.49% | still open |
| June 18, 2013 | Blackrock Advisors (UK) Limited | 0.50% | still open |
| June 13, 2013 | Blackrock Advisors (UK) Limited | 0.49% | still open |
| June 6, 2013 | Blackrock Advisors (UK) Limited | 0.50% | still open |
| June 3, 2013 | Blackrock Institutional Trust Company, National Association | 1.01% | still open |
| April 18, 2013 | Blackrock Institutional Trust Company, National Association | 0.92% | still open |
| April 11, 2013 | Blackrock Institutional Trust Company, National Association | 0.89% | still open |
| April 9, 2013 | Blackrock Institutional Trust Company, National Association | 0.90% | still open |
| April 5, 2013 | Blackrock Institutional Trust Company, National Association | 0.89% | still open |
| April 4, 2013 | Blackrock Institutional Trust Company, National Association | 0.90% | still open |
| March 19, 2013 | Blackrock Institutional Trust Company, National Association | 0.80% | still open |
| March 15, 2013 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| March 11, 2013 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| March 7, 2013 | Blackrock Institutional Trust Company, National Association | 0.53% | still open |