GROUP ONE TRADING, L.P. - MEDICINES CO ownership

MEDICINES CO's ticker is and the CUSIP is 584688955. A total of 4 filers reported holding MEDICINES CO in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of MEDICINES CO
ValueSharesWeighting
Q4 2019$73,533,000
+39.4%
865,700
-17.9%
0.50%
+17.4%
Q3 2019$52,740,000
+118.8%
1,054,800
+59.6%
0.43%
+95.4%
Q2 2019$24,103,000
+292.9%
660,900
+201.1%
0.22%
+220.6%
Q1 2019$6,135,000
+127.3%
219,500
+55.7%
0.07%
+195.7%
Q4 2018$2,699,000
-29.5%
141,000
+10.1%
0.02%
-23.3%
Q3 2018$3,831,000
+217.4%
128,100
+289.4%
0.03%
+200.0%
Q2 2018$1,207,000
-76.2%
32,900
-78.6%
0.01%
-80.4%
Q1 2018$5,063,000
-18.6%
153,700
-32.4%
0.05%
+15.9%
Q4 2017$6,217,000
-48.4%
227,400
-30.1%
0.04%
-59.6%
Q3 2017$12,042,000
+17.1%
325,100
+20.2%
0.11%
+1.9%
Q2 2017$10,282,000
-32.8%
270,500
-13.6%
0.11%
-39.9%
Q1 2017$15,301,000
+534.1%
312,900
+340.1%
0.18%
+673.9%
Q4 2016$2,413,000
+115.3%
71,100
+139.4%
0.02%
+91.7%
Q3 2016$1,121,000
+96.0%
29,700
+74.7%
0.01%
+71.4%
Q2 2016$572,000
-35.0%
17,000
-38.6%
0.01%
-41.7%
Q1 2016$880,000
-22.5%
27,700
-8.9%
0.01%
-7.7%
Q4 2015$1,135,000
+94.0%
30,400
+97.4%
0.01%
+62.5%
Q3 2015$585,000
-58.2%
15,400
-68.5%
0.01%
-60.0%
Q2 2015$1,399,000
+11.7%
48,900
+9.4%
0.02%0.0%
Q1 2015$1,252,000
+1027.9%
44,700
+1017.5%
0.02%
+900.0%
Q4 2014$111,000
-80.6%
4,000
-84.4%
0.00%
-77.8%
Q3 2014$571,000
+89.1%
25,600
+146.2%
0.01%
+80.0%
Q2 2014$302,000
+71.6%
10,400
+67.7%
0.01%
+66.7%
Q1 2014$176,000
+282.6%
6,200
+416.7%
0.00%
+200.0%
Q4 2013$46,000
-54.5%
1,200
-60.0%
0.00%
-50.0%
Q3 2013$101,0003,0000.00%
Other shareholders
MEDICINES CO shareholders Q4 2014
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