GROUP ONE TRADING, L.P. - VIOLIN MEMORY INC ownership

VIOLIN MEMORY INC's ticker is and the CUSIP is 92763A901. A total of 2 filers reported holding VIOLIN MEMORY 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 VIOLIN MEMORY INC
ValueSharesWeighting
Q2 2016$195,000
-21.4%
212,400
-55.3%
0.00%
-50.0%
Q1 2016$248,000
-10.5%
475,400
+54.6%
0.00%
+33.3%
Q4 2015$277,000
+74.2%
307,500
+166.7%
0.00%
+50.0%
Q3 2015$159,000
+736.8%
115,300
+1359.5%
0.00%
Q2 2015$19,000
-71.6%
7,900
-55.6%
0.00%
-100.0%
Q1 2015$67,000
-33.0%
17,800
-14.8%
0.00%
-50.0%
Q4 2014$100,000
-76.7%
20,900
-76.3%
0.00%
-71.4%
Q3 2014$429,000
+58.9%
88,100
+44.7%
0.01%
+75.0%
Q2 2014$270,000
-39.2%
60,900
-45.1%
0.00%
-42.9%
Q1 2014$444,000
+722.2%
111,000
+710.2%
0.01%
+600.0%
Q4 2013$54,00013,7000.00%
Other shareholders
VIOLIN MEMORY INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 13,700$54,0000.00%
Citadel Advisors 5,200$21,0000.00%
View complete list of VIOLIN MEMORY INC shareholders