GROUP ONE TRADING, L.P. - MEDIVATION INC ownership

MEDIVATION INC's ticker is and the CUSIP is 58501N901. A total of 2 filers reported holding MEDIVATION INC in Q4 2013. 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 MEDIVATION INC
ValueSharesWeighting
Q2 2016$18,150,000
+309.5%
301,000
+212.2%
0.22%
+241.3%
Q1 2016$4,432,000
-13.1%
96,400
-8.6%
0.06%
+5.0%
Q4 2015$5,100,000
+16.9%
105,500
+2.8%
0.06%0.0%
Q3 2015$4,361,000
-19.8%
102,600
+115.5%
0.06%
-21.1%
Q2 2015$5,436,000
+4.8%
47,600
+18.4%
0.08%
-6.2%
Q1 2015$5,189,000
+186.2%
40,200
+120.9%
0.08%
+200.0%
Q4 2014$1,813,000
+32.9%
18,200
+31.9%
0.03%
+28.6%
Q3 2014$1,364,000
+56.6%
13,800
+22.1%
0.02%
+61.5%
Q2 2014$871,000
-35.9%
11,300
-46.4%
0.01%
-43.5%
Q1 2014$1,358,000
-47.6%
21,100
-48.0%
0.02%
-41.0%
Q4 2013$2,591,000
+2.0%
40,600
-4.2%
0.04%
-20.4%
Q3 2013$2,541,000
-5.7%
42,400
-22.6%
0.05%
-25.8%
Q2 2013$2,696,00054,8000.07%
Other shareholders
MEDIVATION INC shareholders Q4 2013
NameSharesValueWeighting ↓
Iguana Healthcare Management, LLC 35,000$1,609,0000.59%
SIMPLEX TRADING, LLC 1,747$1,179,0000.09%
GROUP ONE TRADING, L.P. 96,400$4,432,0000.06%
Citadel Advisors 124,600$5,729,0000.01%
JPMORGAN CHASE & CO 6,000$276,0000.00%
View complete list of MEDIVATION INC shareholders