ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

ALKEON CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001230239)

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

Q3 2017
Shares 500,000 Value ($000) $70,145 Avg Close — Range —
Q4 2016
Shares 404,202 Value ($000) $49,454 Avg Close — Range —
Q3 2016
Shares 430,245 Value ($000) $52,723 Avg Close — Range —
Q2 2016
Shares 430,895 Value ($000) $53,612 Avg Close — Range —
Q1 2016
Shares 430,540 Value ($000) $59,940 Avg Close — Range —
Q4 2015
Shares 325,230 Value ($000) $62,038 Avg Close — Range —
Q3 2015
Shares 686,870 Value ($000) $113,183 Avg Close — Range —
Q2 2015
Shares 686,870 Value ($000) $124,166 Avg Close — Range —
Q1 2015
Shares 686,870 Value ($000) $119,034 Avg Close — Range —
Q4 2014
Shares 730,570 Value ($000) $135,177 Avg Close — Range —
Q3 2014
Shares 978,570 Value ($000) $162,266 Avg Close — Range —
Q2 2014
Shares 978,570 Value ($000) $152,901 Avg Close — Range —
Q1 2014
Shares 934,630 Value ($000) $142,185 Avg Close — Range —
Q4 2013
Shares 864,630 Value ($000) $114,895 Avg Close — Range —
Q3 2013
Shares 731,630 Value ($000) $84,987 Avg Close — Range —
Q2 2013
Shares 625,000 Value ($000) $57,650 Avg Close — Range —