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GLG LLC
> ALXN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2017 | ALEXION PHARMACEUTICALS, INC. | ALXN | 64,133 | 25,000 | 7,670,000 | 2,180,000 | $119.60 |
| 09/30/2017 | ALEXION PHARMACEUTICALS, INC. | ALXN | 39,133 | -3,639 | 5,490,000 | 286,000 | $140.29 |
| 06/30/2017 | ALEXION PHARMACEUTICALS, INC. | ALXN | 42,772 | -4,971 | 5,204,000 | -584,000 | $121.67 |
| 03/31/2017 | ALEXION PHARMACEUTICALS, INC. | ALXN | 47,743 | 25,260 | 5,788,000 | 3,037,000 | $121.23 |
| 12/31/2016 | ALEXION PHARMACEUTICALS, INC. | ALXN | 22,483 | -33,527 | 2,751,000 | -4,112,000 | $122.36 |
| 09/30/2016 | ALEXION PHARMACEUTICALS, INC. | ALXN | 56,010 | 12,162 | 6,863,000 | 1,743,000 | $122.53 |
| 06/30/2016 | ALEXION PHARMACEUTICALS, INC. | ALXN | 43,848 | 20,786 | 5,120,000 | 1,517,000 | $116.77 |
| 03/31/2016 | ALEXION PHARMACEUTICALS, INC. | ALXN | 16,919 | -6,143 | 2,355,000 | -1,248,000 | $139.19 |
| 12/31/2015 | ALEXION PHARMACEUTICALS, INC. | ALXN | 19,476 | -3,586 | 3,715,000 | 112,000 | $190.75 |
| 09/30/2015 | ALEXION PHARMACEUTICALS, INC. | ALXN | 43,616 | 20,554 | 6,821,000 | 3,218,000 | $156.39 |
| 06/30/2015 | ALEXION PHARMACEUTICALS, INC. | ALXN | 13,251 | -9,811 | 2,395,000 | -1,208,000 | $180.74 |
| 03/31/2015 | ALEXION PHARMACEUTICALS, INC. | ALXN | 16,960 | -6,102 | 2,939,000 | -664,000 | $173.29 |
| 12/31/2014 | ALEXION PHARMACEUTICALS, INC. | ALXN | 0 | -23,062 | 0 | -3,603,000 | |
| 09/30/2014 | ALEXION PHARMACEUTICALS, INC. | ALXN | 0 | -23,062 | 0 | -3,603,000 | |
| 06/30/2014 | ALEXION PHARMACEUTICALS, INC. | ALXN | 23,062 | 23,062 | 3,603,000 | 3,603,000 | $156.23 |
| 03/31/2014 | ALEXION PHARMACEUTICALS, INC. | ALXN | 13,072 | 13,072 | 1,989,000 | 1,989,000 | $152.16 |
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