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

VIOLIN MEMORY INC's ticker is VMEMXXXX and the CUSIP is 92763A101. A total of 89 filers reported holding VIOLIN MEMORY INC in Q4 2014. The put-call ratio across all filers is 1.16 and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of VIOLIN MEMORY INC
ValueSharesWeighting
Q4 2015$76,000
-71.4%
84,918
-55.9%
0.00%
-75.0%
Q3 2015$266,000
+817.2%
192,715
+1548.0%
0.00%
Q2 2015$29,000
-19.4%
11,694
+21.9%
0.00%
-100.0%
Q1 2015$36,000
-2.7%
9,594
+25.3%
0.00%0.0%
Q4 2014$37,000
-76.1%
7,657
-78.1%
0.00%
-50.0%
Q2 2014$155,000
+715.8%
34,909
+634.8%
0.00%
Q1 2014$19,000
-17.4%
4,751
-19.2%
0.00%
Q4 2013$23,0005,8800.00%
Other shareholders
VIOLIN MEMORY INC shareholders Q4 2014
NameSharesValueWeighting ↓
Sapphire Ventures (GPE) I, L.L.C. 873,924$4,186,0002.46%
S Squared Technology, LLC 347,738$1,666,0002.05%
Global Endowment Management, LP 2,317,500$11,101,0001.85%
Adirondack Research & Management Inc. 863,068$4,134,0001.55%
Highland Management Partners VII, LLC 473,093$2,266,0001.16%
Hood River Capital Management LLC 1,750,461$8,385,0001.06%
GLYNN CAPITAL MANAGEMENT LLC 487,999$2,338,0000.82%
Northstar Group, Inc. 148,767$713,0000.56%
Peak Ten Capital LLC 97,006$465,0000.46%
Herald Investment Management Ltd 200,000$956,0000.37%
View complete list of VIOLIN MEMORY INC shareholders