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

ALCOBRA LTD's ticker is and the CUSIP is M2239P959. A total of 3 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
Q1 2017$30,000
-36.2%
26,600
+18.2%
0.00%
Q4 2016$47,000
-19.0%
22,500
-4.3%
0.00%
-100.0%
Q3 2016$58,000
+48.7%
23,500
+170.1%
0.00%
Q2 2016$39,0000.0%8,700
-15.5%
0.00%
-100.0%
Q1 2016$39,000
-65.5%
10,300
-42.8%
0.00%0.0%
Q4 2015$113,000
+66.2%
18,000
+60.7%
0.00%0.0%
Q3 2015$68,000
-38.7%
11,200
-33.7%
0.00%
-50.0%
Q2 2015$111,000
-57.6%
16,900
-63.7%
0.00%
-50.0%
Q1 2015$262,000
+89.9%
46,600
+25.9%
0.00%
+100.0%
Q4 2014$138,000
-91.6%
37,000
-65.2%
0.00%
-92.0%
Q3 2014$1,641,000
+1557.6%
106,300
+1764.9%
0.02%
+1150.0%
Q2 2014$99,0005,7000.00%
Other shareholders
ALCOBRA LTD shareholders Q4 2014
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 598$3,0000.00%
GROUP ONE TRADING, L.P. 26,600$30,0000.00%
View complete list of ALCOBRA LTD shareholders