ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

MARSICO CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001055966)

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

Q3 2016
Shares 20,877 Value ($000) $2,558 Avg Close — Range —
Q2 2016
Shares 20,877 Value ($000) $2,438 Avg Close — Range —
Q1 2016
Shares 36,712 Value ($000) $5,111 Avg Close — Range —
Q4 2015
Shares 39,017 Value ($000) $7,442 Avg Close — Range —
Q3 2015
Shares 95,571 Value ($000) $14,947 Avg Close — Range —
Q4 2014
Shares 139,264 Value ($000) $25,768 Avg Close — Range —
Q3 2014
Shares 129,904 Value ($000) $21,541 Avg Close — Range —
Q2 2014
Shares 132,468 Value ($000) $20,698 Avg Close — Range —
Q1 2014
Shares 119,967 Value ($000) $18,250 Avg Close — Range —
Q4 2013
Shares 136,521 Value ($000) $18,166 Avg Close — Range —