GROUP ONE TRADING, L.P. - ALCOBRA LTD ownership

ALCOBRA LTD's ticker is and the CUSIP is M2239P909. A total of 2 filers reported holding ALCOBRA LTD 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 ALCOBRA LTD
ValueSharesWeighting
Q3 2017$1,000
-83.3%
700
-87.3%
0.00%
Q2 2017$6,000
-50.0%
5,500
-48.1%
0.00%
Q1 2017$12,000
-93.4%
10,600
-87.9%
0.00%
-100.0%
Q4 2016$183,000
+22.8%
87,300
+44.3%
0.00%0.0%
Q3 2016$149,000
+19.2%
60,500
+116.8%
0.00%
+100.0%
Q2 2016$125,000
+123.2%
27,900
+89.8%
0.00%0.0%
Q1 2016$56,000
-64.6%
14,700
-41.7%
0.00%
-50.0%
Q4 2015$158,000
+338.9%
25,200
+320.0%
0.00%
Q3 2015$36,000
-84.5%
6,000
-83.1%
0.00%
-100.0%
Q2 2015$232,000
+280.3%
35,400
+227.8%
0.00%
+200.0%
Q1 2015$61,000
+117.9%
10,800
+44.0%
0.00%
Q4 2014$28,000
-99.5%
7,500
-97.8%
0.00%
-100.0%
Q3 2014$5,296,000
+424.9%
343,000
+488.3%
0.08%
+412.5%
Q2 2014$1,009,00058,3000.02%
Other shareholders
ALCOBRA LTD shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 7,500$28,0000.00%
Citadel Advisors 7,500$28,0000.00%
View complete list of ALCOBRA LTD shareholders