SIMPLEX TRADING, LLC - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688955. A total of 3 filers reported holding MEDICINES CO in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2019$20,190,000
+30.7%
2,377
-23.1%
0.04%0.0%
Q3 2019$15,450,000
+78.0%
3,090
+29.8%
0.04%
+83.3%
Q2 2019$8,679,000
+225.9%
2,380
+149.7%
0.02%
+242.9%
Q1 2019$2,663,000
+12.7%
953
-22.8%
0.01%0.0%
Q4 2018$2,363,000
-16.4%
1,235
+30.7%
0.01%
-22.2%
Q3 2018$2,826,000
+1003.9%
945
+1250.0%
0.01%
+800.0%
Q2 2018$256,000
+5020.0%
70
-27.1%
0.00%
Q1 2018$5,000
-80.0%
96
-47.8%
0.00%
-100.0%
Q4 2017$25,000
-88.9%
184
-37.8%
0.00%
-88.9%
Q3 2017$226,000
-21.8%
296
-17.3%
0.01%
-30.8%
Q2 2017$289,000
+18.0%
358
-48.9%
0.01%
+18.2%
Q1 2017$245,000
+271.2%
701
+257.7%
0.01%
+175.0%
Q4 2016$66,000
+40.4%
196
-42.5%
0.00%
+33.3%
Q3 2016$47,000
+327.3%
341
+1382.6%
0.00%
+200.0%
Q2 2016$11,000
-15.4%
23
-56.6%
0.00%0.0%
Q1 2016$13,00053
+5200.0%
0.00%
Q4 2015$0
-100.0%
1
-98.4%
0.00%
Q3 2015$1,000
-90.9%
64
-54.9%
0.00%
-100.0%
Q2 2015$11,000
-56.0%
142
+19.3%
0.00%
-66.7%
Q1 2015$25,000
+78.6%
119
+750.0%
0.00%
+50.0%
Q4 2014$14,000140.00%
Other shareholders
MEDICINES CO shareholders Q2 2018
NameSharesValueWeighting ↓
SABBY MANAGEMENT, LLC 162$448,0000.01%
SIMPLEX TRADING, LLC 14$14,0000.00%
GROUP ONE TRADING, L.P. 4,000$111,0000.00%
Citadel Advisors 8,900$246,0000.00%
View complete list of MEDICINES CO shareholders