ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q4 2020
Shares 7,200 Value ($000) $1,125 Avg Close — Range —
Q1 2020
Shares 8,010 Value ($000) $719 Avg Close — Range —
Q4 2019
Shares 25,947 Value ($000) $2,807 Avg Close — Range —
Q3 2019
Shares 3,097 Value ($000) $304 Avg Close — Range —
Q1 2019
Shares 28,382 Value ($000) $3,837 Avg Close — Range —
Q4 2018
Shares 13,670 Value ($000) $1,331 Avg Close — Range —
Q2 2018
Shares 1,714 Value ($000) $213 Avg Close — Range —
Q1 2018
Shares 17,830 Value ($000) $1,987 Avg Close — Range —
Q4 2017
Shares 4,727 Value ($000) $565 Avg Close — Range —
Q3 2017
Shares 21,209 Value ($000) $2,975 Avg Close — Range —
Q1 2017
Shares 18,264 Value ($000) $2,215 Avg Close — Range —
Q3 2016
Shares 17,430 Value ($000) $2,136 Avg Close — Range —
Q2 2016
Shares 13,669 Value ($000) $1,596 Avg Close — Range —
Q1 2016
Shares 1,571 Value ($000) $219 Avg Close — Range —
Q4 2015
Shares 9,411 Value ($000) $1,795 Avg Close — Range —
Q2 2015
Shares 13,781 Value ($000) $2,491 Avg Close — Range —
Q1 2015
Shares 3,600 Value ($000) $624 Avg Close — Range —
Q4 2014
Shares 2,475 Value ($000) $458 Avg Close — Range —
Q3 2014
Shares 43,954 Value ($000) $7,289 Avg Close — Range —
Q2 2014
Shares 33,103 Value ($000) $5,172 Avg Close — Range —