SABBY MANAGEMENT, LLC - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688AC9. A total of 13 filers reported holding MEDICINES CO in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q1 2016$1,913,000
-11.1%
1,500,0000.0%0.10%
-18.6%
Q4 2015$2,152,000
-70.4%
1,500,000
-70.0%
0.12%
-60.7%
Q3 2015$7,278,000
-45.7%
5,000,000
-55.4%
0.30%
-38.7%
Q2 2015$13,414,000
-20.4%
11,213,000
-21.1%
0.49%
-30.3%
Q1 2015$16,851,00014,213,0000.70%
Other shareholders
MEDICINES CO shareholders Q2 2016
NameSharesValueWeighting ↓
CSS LLC/IL 24,735,000$35,399,0002.10%
BASSO CAPITAL MANAGEMENT, L.P. 6,400,000$9,140,0001.35%
EQUITEC SPECIALISTS, LLC 2,500,000$3,558,0001.28%
TENOR CAPITAL MANAGEMENT Co., L.P. 2,500,000$3,581,0000.81%
WOLVERINE ASSET MANAGEMENT LLC 24,424,000$34,958,0000.75%
MACKAY SHIELDS LLC 7,145,000$10,204,0000.55%
SSI INVESTMENT MANAGEMENT LLC 3,413,000$4,857,0000.50%
IRON Financial LLC 380,000$541,0000.46%
AQR Arbitrage LLC 27,705,000$39,566,0000.44%
PROSPECTOR PARTNERS LLC 1,485,000$2,113,0000.38%
View complete list of MEDICINES CO shareholders