Alexion Pharmaceuticals, Inc.

MARSHALL WACE, LLP ALXN

Report date

6/30/2021

Quarter

2021 Q2

Filed

8/13/2021

Shares

131,070

Value ($000)

24,079

Weight

0.1%

2014 Q1 - 2021 Q2 (8 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2021 Q2	8/13/2021	24,079	0.1%	131,070	6/30/2021
2021 Q1	5/17/2021	54,477	0.3%	356,266	3/31/2021
2020 Q4	2/16/2021	26,009	0.2%	166,469	12/31/2020
2020 Q3	11/16/2020	5,660	0.0%	49,461	9/30/2020
2020 Q2	8/13/2020	35,610	0.3%	317,284	6/30/2020
2020 Q1	5/15/2020	9,860	0.1%	109,815	3/31/2020
2019 Q4	2/14/2020	11,705	0.1%	108,233	12/31/2019
2014 Q1	5/14/2014	9,367	0.2%	61,570	3/31/2014