Calamos Advisors LLC - IMPERVA INC ownership

IMPERVA INC's ticker is IMPV and the CUSIP is 45321L100. A total of 138 filers reported holding IMPERVA INC in Q3 2013. The put-call ratio across all filers is 0.92 and the average weighting 0.1%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of IMPERVA INC
ValueSharesWeighting
Q2 2015$623,000
+13.3%
9,200
-28.5%
0.00%
+33.3%
Q1 2015$550,000
+17.5%
12,870
+35.9%
0.00%0.0%
Q4 2014$468,000
+14.7%
9,470
-2.4%
0.00%0.0%
Q3 2013$408,0009,7000.00%
Other shareholders
IMPERVA INC shareholders Q3 2013
NameSharesValueWeighting ↓
NORTH RUN CAPITAL, LP 629,659$24,997,00015.27%
Triarii Capital Management LP 140,000$5,558,0006.05%
RGM Capital, LLC 1,286,507$51,074,0004.75%
ETF MANAGERS GROUP, LLC 1,247,058$50,381,0003.64%
AidennLair Capital Management LP 120,562$4,786,0003.34%
13D Management LLC 198,791$7,892,0002.35%
KOPP INVESTMENT ADVISORS LLC 47,637$1,891,0001.89%
EMINENCE CAPITAL, LP 2,885,315$114,547,0001.75%
GO ETF SOLUTIONS LLP 276,022$10,958,0001.59%
Stanley-Laman Group, Ltd. 125,011$4,963,0001.07%
View complete list of IMPERVA INC shareholders