OBERWEIS ASSET MANAGEMENT INC/ - IMPERVA INC ownership

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IMPERVA INC's ticker is IMPV and the CUSIP is 45321L100. A total of 207 filers reported holding IMPERVA INC in Q4 2015. The put-call ratio across all filers is 0.33 and the average weighting 0.3%.

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Quarter-by-quarter ownership
OBERWEIS ASSET MANAGEMENT INC/ ownership history of IMPERVA INC
ValueSharesWeighting
Q2 2017$205,000
-95.2%
4,280
-94.9%
0.06%
-95.4%
Q1 2016$4,258,000
+547.1%
84,315
+710.7%
1.23%
+564.9%
Q4 2015$658,000–10,400–0.18%–
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Other shareholders
IMPERVA INC shareholders Q4 2015
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of IMPERVA INC shareholders