D. E. Shaw & Co., Inc. - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688AC9. A total of 26 filers reported holding MEDICINES CO in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
D. E. Shaw & Co., Inc. ownership history of MEDICINES CO
ValueSharesWeighting
Q1 2016$5,377,000
-54.3%
4,225,000
-48.6%
0.01%
-44.4%
Q4 2015$11,771,000
-1.5%
8,225,0000.0%0.02%0.0%
Q3 2015$11,947,000
+235.5%
8,225,000
+174.2%
0.02%
+260.0%
Q1 2015$3,561,0003,000,0000.01%
Other shareholders
MEDICINES CO shareholders Q1 2016
NameSharesValueWeighting ↓
TFG Asset Management GP Ltd 9,500,000$12,132,0003.85%
CSS LLC/IL 15,435,000$19,643,0001.21%
BASSO CAPITAL MANAGEMENT, L.P. 5,350,000$6,801,0001.14%
WOLVERINE ASSET MANAGEMENT LLC 25,059,000$31,887,0000.91%
Verition Fund Management LLC 3,000,000$3,827,0000.62%
SSI INVESTMENT MANAGEMENT LLC 3,830,000$4,867,0000.50%
MACKAY SHIELDS LLC 7,145,000$9,114,0000.50%
IRON Financial LLC 380,000$485,0000.49%
AQR Arbitrage LLC 28,305,000$36,107,0000.42%
PROSPECTOR PARTNERS LLC 1,485,000$1,887,0000.33%
View complete list of MEDICINES CO shareholders