SABBY MANAGEMENT, LLC - MEDIVATION INC ownership

MEDIVATION INC's ticker is and the CUSIP is 58501N901. A total of 3 filers reported holding MEDIVATION INC in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
SABBY MANAGEMENT, LLC ownership history of MEDIVATION INC
ValueSharesWeighting
Q4 2014$7,023,000
-60.3%
705
-60.6%
0.22%
-67.3%
Q3 2014$17,678,000
+538.7%
1,788
+315.8%
0.68%
+338.1%
Q1 2014$2,768,000
-59.7%
430
-62.4%
0.16%
-65.2%
Q3 2013$6,863,000
+84.7%
1,145
+51.7%
0.45%
+79.8%
Q2 2013$3,715,0007550.25%
Other shareholders
MEDIVATION INC shareholders Q3 2014
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