PROSPECTOR PARTNERS LLC - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688AC9. A total of 34 filers reported holding MEDICINES CO in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
PROSPECTOR PARTNERS LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2016$306,000
-8.1%
232,0000.0%0.04%
-15.1%
Q3 2016$333,000
-25.0%
232,000
-30.1%
0.05%
-29.3%
Q2 2016$444,000
-76.5%
332,000
-77.6%
0.08%
-77.0%
Q1 2016$1,887,000
-10.7%
1,485,0000.0%0.33%
-13.3%
Q4 2015$2,113,000
-33.6%
1,485,000
-32.0%
0.38%
-17.9%
Q3 2015$3,181,000
+19.6%
2,185,000
-2.2%
0.46%
+45.4%
Q2 2015$2,660,000
-46.6%
2,235,000
-46.8%
0.32%
-16.0%
Q1 2015$4,980,0004,200,0000.38%
Other shareholders
MEDICINES CO shareholders Q3 2015
NameSharesValueWeighting ↓
CSS LLC/IL 28,363,000$41,221,0002.43%
Telemetry Investments, L.L.C. 3,500,000$5,095,0002.18%
WOLVERINE ASSET MANAGEMENT LLC 55,424,000$80,288,0001.90%
LINDEN ADVISORS LP 10,500,000$15,288,0001.05%
SSI INVESTMENT MANAGEMENT LLC 4,467,000$6,503,0000.70%
BASSO CAPITAL MANAGEMENT, L.P. 2,800,000$4,050,0000.67%
EQUITEC SPECIALISTS, LLC 1,000,000$1,456,0000.63%
MIZUHO SECURITIES USA LLC 1,606,000$2,331,0000.60%
MACKAY SHIELDS LLC 7,145,000$10,436,0000.54%
PROSPECTOR PARTNERS LLC 2,185,000$3,181,0000.46%
View complete list of MEDICINES CO shareholders