Medicines Co

Magnetar Financial LLC

Report date

12/31/2019

Quarter

2019 Q4

Filed

2/13/2020

Shares

1,892,832

Value ($000)

160,777

Weight

3.4%

2019 Q4 - 2019 Q4 (1 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
2019 Q4	2/13/2020	160,777	3.4%	1,892,832	12/31/2019