IMPERVA INC's ticker is and the CUSIP is 45321L900. A total of 3 filers reported holding IMPERVA INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $710,000 | -51.5% | 16,500 | -43.1% | 0.00% | -50.0% |
| Q1 2016 | $1,465,000 | +52.3% | 29,000 | +90.8% | 0.00% | +100.0% |
| Q4 2015 | $962,000 | -53.1% | 15,200 | -51.4% | 0.00% | -50.0% |
| Q3 2015 | $2,050,000 | +236.6% | 31,300 | +247.8% | 0.00% | +100.0% |
| Q2 2015 | $609,000 | -21.6% | 9,000 | -50.5% | 0.00% | 0.0% |
| Q1 2015 | $777,000 | -39.5% | 18,200 | -30.0% | 0.00% | 0.0% |
| Q4 2014 | $1,285,000 | +158.6% | 26,000 | +50.3% | 0.00% | 0.0% |
| Q3 2014 | $497,000 | -38.2% | 17,300 | -43.6% | 0.00% | 0.0% |
| Q2 2014 | $804,000 | +133.0% | 30,700 | +395.2% | 0.00% | – |
| Q1 2014 | $345,000 | +32.7% | 6,200 | +14.8% | 0.00% | – |
| Q4 2013 | $260,000 | – | 5,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 4,300 | $291,000 | 0.00% |
| SIMPLEX TRADING, LLC | 28 | $26,000 | 0.00% |
| Citadel Advisors | 9,000 | $609,000 | 0.00% |