| June 17, 2015 | WorldQuant, LLC | 0.56% | still open |
| June 9, 2015 | WorldQuant, LLC | 0.68% | still open |
| June 2, 2015 | WorldQuant, LLC | 0.70% | still open |
| May 27, 2015 | WorldQuant, LLC | 0.67% | still open |
| May 15, 2015 | WorldQuant, LLC | 0.70% | still open |
| May 8, 2015 | WorldQuant, LLC | 0.60% | still open |
| April 24, 2015 | WorldQuant, LLC | 0.59% | still open |
| April 8, 2015 | WorldQuant, LLC | 0.61% | still open |
| March 27, 2015 | WorldQuant, LLC | 0.50% | still open |
| March 26, 2015 | JPMorgan Asset Management (UK) Ltd. | 0.51% | still open |
| March 26, 2015 | WorldQuant, LLC | 0.49% | still open |
| March 24, 2015 | WorldQuant, LLC | 0.50% | still open |
| March 5, 2015 | JPMorgan Asset Management (UK) Ltd. | 0.28% | still open |
| February 16, 2015 | JPMorgan Asset Management (UK) Ltd. | 0.53% | still open |
| February 9, 2015 | WorldQuant, LLC | 0.49% | still open |
| February 6, 2015 | WorldQuant, LLC | 0.50% | still open |
| December 22, 2014 | Two Sigma Investments, LP | 0.22% | still open |
| December 16, 2014 | JPMorgan Asset Management (UK) Ltd. | 0.40% | still open |
| December 12, 2014 | Susquehanna International Holdings LLC | 0.45% | still open |
| December 11, 2014 | Two Sigma Investments, LP | 0.59% | still open |
| December 11, 2014 | Susquehanna International Holdings LLC | 0.53% | still open |
| December 10, 2014 | JPMorgan Asset Management (UK) Ltd. | 0.65% | still open |
| May 13, 2014 | BlackRock Institutional Trust Company, National Association | 0.48% | still open |
| March 26, 2014 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| March 4, 2014 | BlackRock Institutional Trust Company, National Association | 0.68% | still open |
| November 29, 2013 | BlackRock Institutional Trust Company, National Association | 0.79% | still open |
| October 29, 2013 | BlackRock Institutional Trust Company, National Association | 0.88% | still open |
| August 16, 2013 | BlackRock Institutional Trust Company, National Association | 0.90% | still open |
| August 5, 2013 | BlackRock Institutional Trust Company, National Association | 0.80% | still open |
| July 31, 2013 | BlackRock Institutional Trust Company, National Association | 0.70% | still open |
| May 31, 2013 | BlackRock Institutional Trust Company, National Association | 0.61% | still open |
| May 15, 2013 | BlackRock Institutional Trust Company, National Association | 0.58% | still open |
| May 9, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| May 8, 2013 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| May 2, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| April 25, 2013 | BlackRock Institutional Trust Company, National Association | 0.58% | still open |
| April 9, 2013 | BlackRock Institutional Trust Company, National Association | 0.69% | still open |
| March 7, 2013 | BlackRock Institutional Trust Company, National Association | 0.70% | still open |
| February 12, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| December 20, 2012 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| November 19, 2012 | BlackRock Institutional Trust Company, National Association | 0.48% | still open |
| November 19, 2012 | D.E. Shaw & Co., L.P. | 0.48% | still open |
| November 16, 2012 | BlackRock Institutional Trust Company, National Association | 0.52% | still open |
| November 16, 2012 | D.E. Shaw & Co., L.P. | 0.50% | still open |