ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q2 2021
Shares 421,197 Value ($000) $77,378 Avg Close — Range —
Q1 2021
Shares 429,036 Value ($000) $65,604 Avg Close — Range —
Q4 2020
Shares 449,884 Value ($000) $70,290 Avg Close — Range —
Q3 2020
Shares 487,028 Value ($000) $55,731 Avg Close — Range —
Q2 2020
Shares 493,904 Value ($000) $55,436 Avg Close — Range —
Q1 2020
Shares 459,104 Value ($000) $41,223 Avg Close — Range —
Q4 2019
Shares 448,438 Value ($000) $48,499 Avg Close — Range —
Q3 2019
Shares 445,363 Value ($000) $43,619 Avg Close — Range —
Q2 2019
Shares 422,590 Value ($000) $55,351 Avg Close — Range —
Q1 2019
Shares 423,874 Value ($000) $57,299 Avg Close — Range —
Q4 2018
Shares 418,691 Value ($000) $40,764 Avg Close — Range —
Q3 2018
Shares 411,083 Value ($000) $57,145 Avg Close — Range —
Q2 2018
Shares 408,713 Value ($000) $50,742 Avg Close — Range —
Q1 2018
Shares 395,321 Value ($000) $44,062 Avg Close — Range —
Q4 2017
Shares 403,489 Value ($000) $48,253 Avg Close — Range —
Q3 2017
Shares 388,315 Value ($000) $54,477 Avg Close — Range —
Q2 2017
Shares 392,355 Value ($000) $47,738 Avg Close — Range —
Q1 2017
Shares 386,876 Value ($000) $46,905 Avg Close — Range —
Q4 2016
Shares 376,594 Value ($000) $46,076 Avg Close — Range —
Q3 2016
Shares 362,339 Value ($000) $44,401 Avg Close — Range —
Q2 2016
Shares 353,921 Value ($000) $41,324 Avg Close — Range —
Q1 2016
Shares 337,102 Value ($000) $46,931 Avg Close — Range —
Q4 2015
Shares 320,840 Value ($000) $61,200 Avg Close — Range —
Q3 2015
Shares 322,218 Value ($000) $50,392 Avg Close — Range —
Q2 2015
Shares 309,969 Value ($000) $56,033 Avg Close — Range —
Q1 2015
Shares 334,415 Value ($000) $57,954 Avg Close — Range —
Q4 2014
Shares 334,894 Value ($000) $61,965 Avg Close — Range —
Q3 2014
Shares 340,479 Value ($000) $56,458 Avg Close — Range —
Q2 2014
Shares 347,379 Value ($000) $54,278 Avg Close — Range —
Q1 2014
Shares 307,143 Value ($000) $46,726 Avg Close — Range —
Q4 2013
Shares 316,623 Value ($000) $42,130 Avg Close — Range —
Q3 2013
Shares 338,578 Value ($000) $39,329 Avg Close — Range —
Q2 2013
Shares 348,000 Value ($000) $32,100 Avg Close — Range —