ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

Note: Option positions (PUT/CALL) are excluded.

Q2 2021
Shares 400,000 Value ($000) $73,484 Avg Close — Range —
Q1 2021
Shares 275,000 Value ($000) $42,050 Avg Close — Range —
Q4 2020
Shares 99,306 Value ($000) $15,516 Avg Close — Range —
Q1 2019
Shares 202,671 Value ($000) $27,397 Avg Close — Range —
Q1 2017
Shares 11,924 Value ($000) $1,446 Avg Close — Range —
Q4 2016
Shares 787,493 Value ($000) $96,350 Avg Close — Range —
Q3 2016
Shares 461,528 Value ($000) $56,556 Avg Close — Range —
Q2 2016
Shares 1,025,770 Value ($000) $119,769 Avg Close — Range —
Q1 2016
Shares 300,047 Value ($000) $41,773 Avg Close — Range —
Q4 2015
Shares 416,037 Value ($000) $79,359 Avg Close — Range —
Q3 2015
Shares 439,939 Value ($000) $68,802 Avg Close — Range —
Q2 2015
Shares 313,486 Value ($000) $56,669 Avg Close — Range —
Q1 2015
Shares 185,494 Value ($000) $32,146 Avg Close — Range —
Q4 2014
Shares 153,306 Value ($000) $28,366 Avg Close — Range —
Q3 2014
Shares 122,377 Value ($000) $20,293 Avg Close — Range —
Q2 2014
Shares 180,532 Value ($000) $28,208 Avg Close — Range —
Q1 2014
Shares 96,623 Value ($000) $14,699 Avg Close — Range —
Q4 2013
Shares 85,000 Value ($000) $11,295 Avg Close — Range —