| June 15, 2018 | Pictet Asset Management | 0.50% | still open |
| June 7, 2018 | Portsea Asset Management LLP | 1.02% | still open |
| May 25, 2018 | Portsea Asset Management LLP | 0.93% | still open |
| May 2, 2018 | Portsea Asset Management LLP | 0.82% | still open |
| April 30, 2018 | Portsea Asset Management LLP | 0.74% | still open |
| April 11, 2018 | Pictet Asset Management | 0.44% | still open |
| April 5, 2018 | Portsea Asset Management LLP | 0.60% | still open |
| March 28, 2018 | Kintbury Capital LLP | 0.63% | still open |
| March 28, 2018 | Pictet Asset Management LTD | 0.60% | still open |
| March 28, 2018 | Portsea Asset Management LLP | 0.52% | still open |
| March 22, 2018 | Kintbury Capital LLP | 0.58% | still open |
| March 12, 2018 | Pictet Asset Management | 0.51% | still open |
| March 7, 2018 | Portsea Asset Management LLP | 0.80% | still open |
| March 7, 2018 | Pictet Asset Management LTD | 0.52% | still open |
| March 5, 2018 | Portsea Asset Management LLP | 0.62% | still open |
| February 27, 2018 | Portsea Asset Management LLP | 0.51% | still open |
| February 14, 2018 | Portsea Asset Management LLP | 0.43% | still open |
| February 1, 2018 | Portsea Asset Management LLP | 0.64% | still open |
| January 23, 2018 | Portsea Asset Management LLP | 0.54% | still open |
| January 22, 2018 | Portsea Asset Management LLP | 0.60% | still open |
| January 19, 2018 | Kintbury Capital LLP | 0.50% | still open |
| January 9, 2018 | Portsea Asset Management LLP | 0.72% | still open |
| December 7, 2017 | Tower House Partners LLP | 0.45% | still open |
| December 6, 2017 | Portsea Asset Management LLP | 0.60% | still open |
| December 1, 2017 | Portsea Asset Management LLP | 0.56% | still open |
| October 30, 2017 | Adelphi Capital LLP | 0.60% | still open |
| October 27, 2017 | Adelphi Capital LLP | 0.51% | still open |
| October 24, 2017 | Insight Investment Management (global) LTD | 0.43% | still open |
| August 23, 2017 | Insight Investment Management (global) LTD | 0.59% | still open |
| August 9, 2017 | Tower House Partners LLP | 0.50% | still open |
| April 5, 2017 | Insight Investment Management (global) LTD | 0.67% | still open |
| March 24, 2017 | Insight Investment Management (global) LTD | 0.79% | still open |
| December 29, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.46% | still open |
| December 27, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.56% | still open |
| December 22, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.61% | still open |
| December 20, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.76% | still open |
| December 16, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.84% | still open |
| December 15, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.06% | still open |
| December 14, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.25% | still open |
| December 13, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.33% | still open |
| November 3, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.50% | still open |
| October 24, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.42% | still open |
| October 13, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.30% | still open |
| October 12, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.23% | still open |
| September 16, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.14% | still open |
| September 15, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 1.08% | still open |
| September 13, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.91% | still open |
| September 2, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.82% | still open |
| August 8, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.71% | still open |
| August 4, 2016 | Elliott Capital Advisors L.P., FOR Itself and FOR Related General Partners and Investment Managers | 0.61% | still open |