ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

Zweig-DiMenna Associates LLC's Holding History (CIK: 0001533950)

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

Q4 2015
Shares 110,260 Value ($000) $21,032 Avg Close — Range —
Q3 2015
Shares 214,946 Value ($000) $33,615 Avg Close — Range —
Q1 2015
Shares 106,823 Value ($000) $18,512 Avg Close — Range —
Q4 2014
Shares 118,687 Value ($000) $21,961 Avg Close — Range —
Q3 2014
Shares 176,191 Value ($000) $29,216 Avg Close — Range —
Q2 2014
Shares 130,100 Value ($000) $20,328 Avg Close — Range —
Q2 2013
Shares 38,750 Value ($000) $3,574 Avg Close — Range —