IMPERVA INC's ticker is IMPV and the CUSIP is 45321L100. A total of 167 filers reported holding IMPERVA INC in Q4 2018. The put-call ratio across all filers is 0.44 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $15,000 | -98.8% | 265 | -99.0% | 0.00% | -100.0% |
| Q2 2018 | $1,289,000 | +11.4% | 26,719 | 0.0% | 0.00% | +33.3% |
| Q1 2018 | $1,157,000 | +158.8% | 26,719 | +137.6% | 0.00% | +200.0% |
| Q4 2017 | $447,000 | -5.3% | 11,245 | +3.4% | 0.00% | 0.0% |
| Q3 2017 | $472,000 | -27.6% | 10,872 | -20.2% | 0.00% | -50.0% |
| Q2 2017 | $652,000 | +65100.0% | 13,618 | +340350.0% | 0.00% | – |
| Q1 2017 | $1,000 | -99.0% | 4 | -99.8% | 0.00% | – |
| Q2 2016 | $103,000 | +2475.0% | 2,394 | +2750.0% | 0.00% | – |
| Q1 2016 | $4,000 | -99.4% | 84 | -99.2% | 0.00% | -100.0% |
| Q4 2015 | $706,000 | -25.1% | 11,145 | -22.5% | 0.00% | -33.3% |
| Q3 2015 | $942,000 | – | 14,386 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |