ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q4 2016
Shares 20,470 Value ($000) $2,505 Avg Close — Range —
Q3 2016
Shares 44,260 Value ($000) $5,424 Avg Close — Range —
Q2 2016
Shares 62,249 Value ($000) $7,268 Avg Close — Range —
Q1 2016
Shares 55,950 Value ($000) $7,789 Avg Close — Range —
Q4 2015
Shares 61,177 Value ($000) $11,670 Avg Close — Range —
Q3 2015
Shares 32,624 Value ($000) $5,102 Avg Close — Range —
Q2 2015
Shares 69,764 Value ($000) $12,611 Avg Close — Range —
Q1 2015
Shares 41,163 Value ($000) $7,134 Avg Close — Range —
Q4 2014
Shares 18,366 Value ($000) $3,398 Avg Close — Range —
Q3 2014
Shares 12,941 Value ($000) $2,146 Avg Close — Range —
Q2 2014
Shares 10,145 Value ($000) $1,585 Avg Close — Range —
Q1 2014
Shares 10,218 Value ($000) $1,554 Avg Close — Range —