SABBY MANAGEMENT, LLC - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688905. A total of 4 filers reported holding MEDICINES CO in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q3 2017$244,000
-60.1%
66
-59.0%
0.02%
-60.0%
Q2 2017$612,000
-60.9%
161
-49.7%
0.04%
-52.4%
Q1 2017$1,565,000
+0.9%
320
-30.0%
0.08%
-6.7%
Q4 2016$1,551,000
-64.3%
457
-60.3%
0.09%
-44.8%
Q3 2016$4,340,000
-64.3%
1,150
-68.2%
0.16%
-74.3%
Q2 2016$12,154,000
-59.7%
3,614
-62.0%
0.63%
-58.0%
Q1 2016$30,185,000
+27.3%
9,501
+49.7%
1.51%
+15.8%
Q4 2015$23,703,000
-46.9%
6,348
-46.0%
1.30%
-29.0%
Q3 2015$44,599,000
+251.5%
11,749
+164.9%
1.84%
+296.8%
Q2 2015$12,689,000
+1976.8%
4,435
+1934.4%
0.46%
+1752.0%
Q1 2015$611,000
-69.9%
218
-64.0%
0.02%
-81.1%
Q3 2013$2,028,0006050.13%
Other shareholders
MEDICINES CO shareholders Q4 2017
NameSharesValueWeighting ↓
Boxer Capital, LLC 530,600$20,168,0004.80%
GROUP ONE TRADING, L.P. 161,500$6,139,0000.06%
Timber Hill LLC 35,100$1,334,0000.05%
SABBY MANAGEMENT, LLC 161$612,0000.04%
SIMPLEX TRADING, LLC 299$48,0000.00%
Focused Wealth Management, Inc 7,200$2,0000.00%
JPMORGAN CHASE & CO 9,800$372,0000.00%
View complete list of MEDICINES CO shareholders