ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

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

Q2 2016
Shares 126 Value ($000) $14 Avg Close — Range —
Q1 2016
Shares 13,707 Value ($000) $1,908 Avg Close — Range —
Q4 2015
Shares 13,631 Value ($000) $2,600 Avg Close — Range —
Q3 2015
Shares 20,253 Value ($000) $3,167 Avg Close — Range —
Q2 2015
Shares 20,436 Value ($000) $3,694 Avg Close — Range —
Q1 2015
Shares 20,966 Value ($000) $3,633 Avg Close — Range —
Q4 2014
Shares 21,476 Value ($000) $3,973 Avg Close — Range —
Q3 2014
Shares 25,754 Value ($000) $4,270 Avg Close — Range —
Q2 2014
Shares 33,806 Value ($000) $5,282 Avg Close — Range —
Q1 2014
Shares 33,608 Value ($000) $5,112 Avg Close — Range —
Q4 2013
Shares 31,872 Value ($000) $4,240 Avg Close — Range —
Q3 2013
Shares 31,624 Value ($000) $3,673 Avg Close — Range —
Q2 2013
Shares 32,051 Value ($000) $2,956 Avg Close — Range —