ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

Capital Research Global Investors's Holding History (CIK: 0001422848)

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

Q4 2017
Shares 144,486 Value ($000) $17,279 Avg Close — Range —
Q3 2017
Shares 144,063 Value ($000) $20,211 Avg Close — Range —
Q2 2017
Shares 142,195 Value ($000) $17,301 Avg Close — Range —
Q1 2017
Shares 141,225 Value ($000) $17,122 Avg Close — Range —
Q4 2016
Shares 7,290,400 Value ($000) $891,980 Avg Close — Range —
Q3 2016
Shares 15,305,131 Value ($000) $1,875,491 Avg Close — Range —
Q2 2016
Shares 25,589,322 Value ($000) $2,987,809 Avg Close — Range —
Q1 2016
Shares 27,602,207 Value ($000) $3,842,779 Avg Close — Range —
Q4 2015
Shares 27,602,207 Value ($000) $5,265,121 Avg Close — Range —
Q3 2015
Shares 27,407,884 Value ($000) $4,286,319 Avg Close — Range —
Q2 2015
Shares 26,333,741 Value ($000) $4,760,350 Avg Close — Range —
Q1 2015
Shares 24,763,192 Value ($000) $4,291,461 Avg Close — Range —
Q4 2014
Shares 24,290,100 Value ($000) $4,494,397 Avg Close — Range —
Q3 2014
Shares 24,240,300 Value ($000) $4,019,527 Avg Close — Range —
Q2 2014
Shares 24,230,065 Value ($000) $3,785,948 Avg Close — Range —
Q1 2014
Shares 23,484,473 Value ($000) $3,572,693 Avg Close — Range —
Q4 2013
Shares 23,703,112 Value ($000) $3,153,936 Avg Close — Range —
Q3 2013
Shares 22,204,526 Value ($000) $2,579,278 Avg Close — Range —
Q2 2013
Shares 21,428,100 Value ($000) $1,976,528 Avg Close — Range —