ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2021
Shares 1,314,023 Value ($000) $241,405 Avg Close — Range —
Q1 2021
Shares 1,315,940 Value ($000) $201,124 Avg Close — Range —
Q4 2020
Shares 1,320,277 Value ($000) $206,282 Avg Close — Range —
Q3 2020
Shares 1,379,373 Value ($000) $157,799 Avg Close — Range —
Q2 2020
Shares 1,354,917 Value ($000) $152,053 Avg Close — Range —
Q1 2020
Shares 1,222,599 Value ($000) $109,714 Avg Close — Range —
Q4 2019
Shares 831,721 Value ($000) $89,946 Avg Close — Range —
Q3 2019
Shares 704,351 Value ($000) $68,984 Avg Close — Range —
Q2 2019
Shares 634,784 Value ($000) $83,113 Avg Close — Range —
Q1 2019
Shares 633,799 Value ($000) $85,667 Avg Close — Range —
Q4 2018
Shares 635,679 Value ($000) $61,893 Avg Close — Range —
Q3 2018
Shares 539,784 Value ($000) $75,032 Avg Close — Range —
Q2 2018
Shares 394,135 Value ($000) $48,927 Avg Close — Range —
Q1 2018
Shares 384,441 Value ($000) $42,850 Avg Close — Range —
Q4 2017
Shares 372,039 Value ($000) $44,494 Avg Close — Range —
Q3 2017
Shares 360,706 Value ($000) $50,599 Avg Close — Range —
Q2 2017
Shares 364,268 Value ($000) $44,323 Avg Close — Range —
Q1 2017
Shares 321,459 Value ($000) $38,975 Avg Close — Range —
Q4 2016
Shares 307,780 Value ($000) $37,660 Avg Close — Range —
Q3 2016
Shares 306,395 Value ($000) $37,540 Avg Close — Range —
Q2 2016
Shares 297,166 Value ($000) $34,692 Avg Close — Range —
Q1 2016
Shares 301,378 Value ($000) $41,949 Avg Close — Range —
Q4 2015
Shares 289,785 Value ($000) $55,277 Avg Close — Range —
Q3 2015
Shares 283,596 Value ($000) $44,335 Avg Close — Range —
Q2 2015
Shares 280,148 Value ($000) $50,638 Avg Close — Range —
Q1 2015
Shares 249,496 Value ($000) $43,249 Avg Close — Range —
Q4 2014
Shares 232,571 Value ($000) $43,034 Avg Close — Range —
Q3 2014
Shares 227,467 Value ($000) $37,725 Avg Close — Range —
Q2 2014
Shares 213,360 Value ($000) $33,339 Avg Close — Range —
Q1 2014
Shares 211,111 Value ($000) $32,116 Avg Close — Range —
Q4 2013
Shares 209,032 Value ($000) $27,813 Avg Close — Range —
Q3 2013
Shares 208,289 Value ($000) $24,194 Avg Close — Range —
Q2 2013
Shares 207,045 Value ($000) $19,101 Avg Close — Range —