SIMPLEX TRADING, LLC - ALCOBRA LTD ownership

ALCOBRA LTD's ticker is and the CUSIP is M2239P909. A total of 3 filers reported holding ALCOBRA LTD in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ALCOBRA LTD
ValueSharesWeighting
Q4 2016$0
-100.0%
21
-71.2%
0.00%
Q3 2016$2,000
-83.3%
73
+9.0%
0.00%
-100.0%
Q2 2016$12,00067
+219.0%
0.00%
Q1 2016$0
-100.0%
21
+23.5%
0.00%
Q4 2015$3,000
-70.0%
17
-87.7%
0.00%
-100.0%
Q3 2015$10,000
+150.0%
138
-55.2%
0.00%
Q2 2015$4,000
+33.3%
308
+413.3%
0.00%
Q1 2015$3,000600.00%
Other shareholders
ALCOBRA LTD shareholders Q4 2016
NameSharesValueWeighting ↓
SABBY MANAGEMENT, LLC 3,102$651,0000.04%
GROUP ONE TRADING, L.P. 87,300$183,0000.00%
SIMPLEX TRADING, LLC 21$00.00%
View complete list of ALCOBRA LTD shareholders