ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q2 2021
Shares 24,821 Value ($000) $4,560 Avg Close — Range —
Q1 2021
Shares 25,644 Value ($000) $3,921 Avg Close — Range —
Q4 2020
Shares 104,782 Value ($000) $16,371 Avg Close — Range —
Q3 2020
Shares 241,375 Value ($000) $27,621 Avg Close — Range —
Q2 2020
Shares 26,992 Value ($000) $3,030 Avg Close — Range —
Q1 2020
Shares 4,633 Value ($000) $416 Avg Close — Range —
Q4 2019
Shares 311,997 Value ($000) $33,742 Avg Close — Range —
Q3 2019
Shares 613,958 Value ($000) $60,131 Avg Close — Range —
Q2 2019
Shares 1,045,027 Value ($000) $136,878 Avg Close — Range —
Q1 2019
Shares 1,084,739 Value ($000) $146,635 Avg Close — Range —
Q4 2018
Shares 1,360,973 Value ($000) $132,504 Avg Close — Range —
Q3 2018
Shares 1,904,296 Value ($000) $264,716 Avg Close — Range —
Q2 2018
Shares 720,820 Value ($000) $89,490 Avg Close — Range —
Q1 2018
Shares 656,028 Value ($000) $73,121 Avg Close — Range —
Q4 2017
Shares 847,183 Value ($000) $101,315 Avg Close — Range —
Q3 2017
Shares 920,074 Value ($000) $129,077 Avg Close — Range —
Q2 2017
Shares 797,371 Value ($000) $97,016 Avg Close — Range —
Q1 2017
Shares 1,207,858 Value ($000) $146,441 Avg Close — Range —
Q4 2016
Shares 1,276,327 Value ($000) $156,159 Avg Close — Range —
Q3 2016
Shares 1,410,091 Value ($000) $172,793 Avg Close — Range —
Q2 2016
Shares 1,277,551 Value ($000) $149,167 Avg Close — Range —
Q1 2016
Shares 1,470,865 Value ($000) $204,774 Avg Close — Range —
Q4 2015
Shares 1,640,046 Value ($000) $312,839 Avg Close — Range —
Q3 2015
Shares 2,108,989 Value ($000) $329,825 Avg Close — Range —
Q2 2015
Shares 2,248,968 Value ($000) $406,546 Avg Close — Range —
Q1 2015
Shares 2,748,655 Value ($000) $476,342 Avg Close — Range —
Q4 2014
Shares 2,912,346 Value ($000) $538,871 Avg Close — Range —
Q3 2014
Shares 3,255,718 Value ($000) $539,863 Avg Close — Range —
Q2 2014
Shares 2,766,487 Value ($000) $432,264 Avg Close — Range —
Q1 2014
Shares 2,361,748 Value ($000) $359,293 Avg Close — Range —
Q4 2013
Shares 2,018,259 Value ($000) $268,550 Avg Close — Range —
Q3 2013
Shares 2,587,828 Value ($000) $300,602 Avg Close — Range —
Q2 2013
Shares 3,222,708 Value ($000) $297,263 Avg Close — Range —