ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q2 2021
Shares 3,248,848 Value ($000) $596,846 Avg Close — Range —
Q1 2021
Shares 2,503,172 Value ($000) $382,760 Avg Close — Range —
Q4 2020
Shares 827,950 Value ($000) $129,359 Avg Close — Range —
Q3 2020
Shares 541,707 Value ($000) $61,988 Avg Close — Range —
Q2 2020
Shares 1,129,691 Value ($000) $126,796 Avg Close — Range —
Q1 2020
Shares 2,876,263 Value ($000) $258,259 Avg Close — Range —
Q4 2019
Shares 70,206 Value ($000) $7,593 Avg Close — Range —
Q3 2019
Shares 87,095 Value ($000) $8,530 Avg Close — Range —
Q2 2019
Shares 205,074 Value ($000) $26,860 Avg Close — Range —
Q1 2019
Shares 70,489 Value ($000) $9,529 Avg Close — Range —
Q4 2018
Shares 442,928 Value ($000) $43,124 Avg Close — Range —
Q3 2018
Shares 1,350,097 Value ($000) $187,677 Avg Close — Range —
Q2 2018
Shares 1,728,490 Value ($000) $214,592 Avg Close — Range —
Q1 2018
Shares 693,953 Value ($000) $77,349 Avg Close — Range —
Q4 2017
Shares 1,986,216 Value ($000) $237,532 Avg Close — Range —
Q3 2017
Shares 731,527 Value ($000) $102,626 Avg Close — Range —
Q2 2017
Shares 1,116,748 Value ($000) $135,875 Avg Close — Range —
Q1 2017
Shares 103,997 Value ($000) $12,608 Avg Close — Range —
Q4 2016
Shares 25,848 Value ($000) $3,163 Avg Close — Range —
Q3 2016
Shares 217,329 Value ($000) $26,632 Avg Close — Range —
Q2 2016
Shares 1,403,980 Value ($000) $163,928 Avg Close — Range —
Q1 2016
Shares 54,576 Value ($000) $7,598 Avg Close — Range —
Q4 2015
Shares 8,737 Value ($000) $1,667 Avg Close — Range —
Q3 2015
Shares 72,833 Value ($000) $11,390 Avg Close — Range —
Q2 2015
Shares 415,095 Value ($000) $75,037 Avg Close — Range —
Q1 2015
Shares 1,141,854 Value ($000) $197,883 Avg Close — Range —
Q4 2014
Shares 249,398 Value ($000) $46,146 Avg Close — Range —
Q3 2014
Shares 300,557 Value ($000) $49,838 Avg Close — Range —
Q2 2014
Shares 549,867 Value ($000) $85,917 Avg Close — Range —
Q1 2014
Shares 446,725 Value ($000) $67,961 Avg Close — Range —
Q4 2013
Shares 239,925 Value ($000) $31,924 Avg Close — Range —
Q3 2013
Shares 1,508,456 Value ($000) $175,223 Avg Close — Range —
Q2 2013
Shares 962,772 Value ($000) $88,806 Avg Close — Range —