Alexion Pharmaceuticals, Inc.

Magnetar Financial LLC ALXN

Report date

6/30/2021

Quarter

2021 Q2

Filed

8/6/2021

Shares

1,114,010

Value ($000)

204,655

Weight

1.9%

2020 Q4 - 2021 Q2 (3 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	8/6/2021	204,655	1.9%	1,114,010	6/30/2021
2021 Q1	5/14/2021	197,231	1.9%	1,289,848	3/31/2021
2020 Q4	2/12/2021	184,465	2.6%	1,180,653	12/31/2020