ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q2 2021
Shares 357,334 Value ($000) $65,600 Avg Close — Range —
Q1 2021
Shares 238,113 Value ($000) $36,167 Avg Close — Range —
Q4 2020
Shares 228,606 Value ($000) $35,619 Avg Close — Range —
Q3 2020
Shares 186,156 Value ($000) $21,284 Avg Close — Range —
Q2 2020
Shares 169,185 Value ($000) $18,898 Avg Close — Range —
Q1 2020
Shares 167,944 Value ($000) $15,177 Avg Close — Range —
Q4 2019
Shares 168,427 Value ($000) $18,071 Avg Close — Range —
Q3 2019
Shares 169,304 Value ($000) $16,588 Avg Close — Range —
Q2 2019
Shares 164,829 Value ($000) $21,568 Avg Close — Range —
Q4 2018
Shares 140,477 Value ($000) $13,021 Avg Close — Range —
Q3 2018
Shares 139,643 Value ($000) $19,422 Avg Close — Range —
Q2 2018
Shares 157,102 Value ($000) $19,509 Avg Close — Range —
Q1 2018
Shares 159,989 Value ($000) $17,856 Avg Close — Range —
Q4 2017
Shares 165,843 Value ($000) $19,815 Avg Close — Range —
Q3 2017
Shares 162,966 Value ($000) $22,513 Avg Close — Range —
Q2 2017
Shares 160,902 Value ($000) $19,556 Avg Close — Range —
Q1 2017
Shares 214,009 Value ($000) $25,931 Avg Close — Range —
Q4 2016
Shares 215,873 Value ($000) $26,489 Avg Close — Range —
Q3 2016
Shares 160,951 Value ($000) $19,703 Avg Close — Range —
Q2 2016
Shares 156,531 Value ($000) $18,243 Avg Close — Range —
Q1 2016
Shares 119,573 Value ($000) $16,635 Avg Close — Range —
Q4 2015
Shares 129,602 Value ($000) $24,741 Avg Close — Range —
Q3 2015
Shares 128,989 Value ($000) $20,198 Avg Close — Range —
Q2 2015
Shares 132,344 Value ($000) $23,878 Avg Close — Range —
Q1 2015
Shares 146,968 Value ($000) $25,406 Avg Close — Range —
Q4 2014
Shares 148,649 Value ($000) $27,466 Avg Close — Range —
Q3 2014
Shares 150,442 Value ($000) $25,002 Avg Close — Range —
Q2 2014
Shares 114,866 Value ($000) $17,897 Avg Close — Range —
Q1 2014
Shares 102,020 Value ($000) $15,443 Avg Close — Range —
Q4 2013
Shares 100,385 Value ($000) $13,415 Avg Close — Range —
Q3 2013
Shares 87,441 Value ($000) $10,123 Avg Close — Range —
Q2 2013
Shares 9,494 Value ($000) $876 Avg Close — Range —