ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2021
Shares 2,788,528 Value ($000) $512,281 Avg Close — Range —
Q1 2021
Shares 2,710,339 Value ($000) $414,438 Avg Close — Range —
Q4 2020
Shares 2,756,159 Value ($000) $430,623 Avg Close — Range —
Q3 2020
Shares 2,810,217 Value ($000) $321,574 Avg Close — Range —
Q2 2020
Shares 2,820,770 Value ($000) $316,603 Avg Close — Range —
Q1 2020
Shares 2,771,424 Value ($000) $248,845 Avg Close — Range —
Q4 2019
Shares 2,792,056 Value ($000) $301,961 Avg Close — Range —
Q3 2019
Shares 2,805,749 Value ($000) $274,794 Avg Close — Range —
Q2 2019
Shares 2,976,327 Value ($000) $389,840 Avg Close — Range —
Q1 2019
Shares 2,961,031 Value ($000) $400,272 Avg Close — Range —
Q4 2018
Shares 2,902,033 Value ($000) $282,542 Avg Close — Range —
Q3 2018
Shares 2,872,017 Value ($000) $399,240 Avg Close — Range —
Q2 2018
Shares 2,867,981 Value ($000) $356,060 Avg Close — Range —
Q1 2018
Shares 2,847,997 Value ($000) $317,437 Avg Close — Range —
Q4 2017
Shares 2,875,971 Value ($000) $343,936 Avg Close — Range —
Q3 2017
Shares 3,032,299 Value ($000) $425,401 Avg Close — Range —
Q2 2017
Shares 2,966,636 Value ($000) $360,950 Avg Close — Range —
Q1 2017
Shares 2,531,154 Value ($000) $306,877 Avg Close — Range —
Q4 2016
Shares 2,485,745 Value ($000) $304,131 Avg Close — Range —
Q3 2016
Shares 2,593,437 Value ($000) $317,799 Avg Close — Range —
Q2 2016
Shares 2,583,624 Value ($000) $301,663 Avg Close — Range —
Q1 2016
Shares 2,629,005 Value ($000) $369,743 Avg Close — Range —
Q4 2015
Shares 2,660,188 Value ($000) $507,432 Avg Close — Range —
Q3 2015
Shares 2,785,792 Value ($000) $435,671 Avg Close — Range —
Q2 2015
Shares 2,586,360 Value ($000) $467,536 Avg Close — Range —
Q1 2015
Shares 2,552,344 Value ($000) $442,322 Avg Close — Range —
Q4 2014
Shares 2,556,070 Value ($000) $472,950 Avg Close — Range —
Q3 2014
Shares 2,567,876 Value ($000) $425,804 Avg Close — Range —
Q2 2014
Shares 2,550,795 Value ($000) $398,562 Avg Close — Range —
Q1 2014
Shares 2,754,700 Value ($000) $419,072 Avg Close — Range —
Q4 2013
Shares 2,642,714 Value ($000) $351,174 Avg Close — Range —
Q3 2013
Shares 2,645,685 Value ($000) $307,323 Avg Close — Range —
Q2 2013
Shares 2,759,904 Value ($000) $254,573 Avg Close — Range —