Portolan Capital Management - IMPERVA INC ownership

IMPERVA INC's ticker is IMPV and the CUSIP is 45321L100. A total of 123 filers reported holding IMPERVA INC in Q3 2014. The put-call ratio across all filers is 1.77 and the average weighting 0.1%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of IMPERVA INC
ValueSharesWeighting
Q4 2016$1,048,000
-57.3%
27,292
-40.2%
0.14%
-58.2%
Q3 2016$2,452,000
+82.4%
45,658
-11.0%
0.34%
+14.6%
Q2 2014$1,344,00051,3270.29%
Other shareholders
IMPERVA INC shareholders Q3 2014
NameSharesValueWeighting ↓
VISTA EQUITY PARTNERS MANAGEMENT, LLC 143,741$9,100,0006.31%
Hilltop Park Associates LLC 20,000$1,266,0004.22%
ANDOR CAPITAL MANAGEMENT, L.L.C. 400,000$25,324,0003.61%
Penserra Capital Management LLC 564,062$35,711,0003.40%
G2 Investment Partners Management LLC 138,809$8,788,0002.72%
Alta Park Capital, LP 52,000$3,292,0002.68%
Hood River Capital Management LLC 312,597$19,791,0002.53%
Millrace Asset Group, Inc. 35,500$2,248,0002.35%
Garelick Capital Partners, LP 41,000$2,596,0002.29%
HELLMAN JORDAN MANAGEMENT CO INC /MA/ 112,485$7,121,0001.72%
View complete list of IMPERVA INC shareholders