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 | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $849,000 | -8.2% | 18,289 | -14.4% | 0.04% | +5.4% |
| Q1 2018 | $925,000 | +65.8% | 21,372 | +51.9% | 0.04% | +48.0% |
| Q4 2017 | $558,000 | -1.2% | 14,072 | +8.1% | 0.02% | -13.8% |
| Q3 2017 | $565,000 | +9.9% | 13,020 | +21.1% | 0.03% | +7.4% |
| Q2 2017 | $514,000 | -76.3% | 10,752 | -79.6% | 0.03% | -73.0% |
| Q1 2017 | $2,165,000 | +651.7% | 52,752 | +603.4% | 0.10% | +488.2% |
| Q4 2016 | $288,000 | -86.6% | 7,500 | -77.8% | 0.02% | -83.3% |
| Q4 2015 | $2,142,000 | -35.9% | 33,849 | -33.7% | 0.10% | -17.7% |
| Q3 2015 | $3,344,000 | +51.7% | 51,078 | +56.9% | 0.12% | +67.6% |
| Q2 2015 | $2,204,000 | -36.7% | 32,561 | -53.8% | 0.07% | -43.1% |
| Q4 2014 | $3,484,000 | +257.3% | 70,502 | +107.6% | 0.13% | +188.9% |
| Q3 2014 | $975,000 | -59.4% | 33,965 | -63.0% | 0.04% | -64.0% |
| Q2 2014 | $2,403,000 | +338.5% | 91,794 | +705.8% | 0.12% | +331.0% |
| Q4 2013 | $548,000 | -48.4% | 11,391 | -55.0% | 0.03% | -50.0% |
| Q3 2013 | $1,063,000 | – | 25,300 | – | 0.06% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |