ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

OPPENHEIMER ASSET MANAGEMENT INC.'s Holding History (CIK: 0001269119)

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

Q4 2020
Shares 9,561 Value ($000) $1,494 Avg Close — Range —
Q3 2020
Shares 9,140 Value ($000) $1,046 Avg Close — Range —
Q2 2020
Shares 8,397 Value ($000) $942 Avg Close — Range —
Q1 2020
Shares 7,466 Value ($000) $670 Avg Close — Range —
Q4 2019
Shares 6,415 Value ($000) $694 Avg Close — Range —
Q3 2019
Shares 5,618 Value ($000) $550 Avg Close — Range —
Q2 2019
Shares 7,767 Value ($000) $1,017 Avg Close — Range —
Q1 2019
Shares 8,287 Value ($000) $1,120 Avg Close — Range —
Q4 2018
Shares 23,310 Value ($000) $2,269 Avg Close — Range —
Q3 2018
Shares 25,160 Value ($000) $3,498 Avg Close — Range —
Q2 2018
Shares 23,940 Value ($000) $2,972 Avg Close — Range —
Q1 2018
Shares 23,235 Value ($000) $2,590 Avg Close — Range —
Q4 2017
Shares 22,200 Value ($000) $3,114 Avg Close — Range —
Q3 2017
Shares 22,200 Value ($000) $3,114 Avg Close — Range —
Q2 2017
Shares 21,235 Value ($000) $2,584 Avg Close — Range —
Q1 2017
Shares 22,561 Value ($000) $2,735 Avg Close — Range —