IMPERVA INC's ticker is and the CUSIP is 45321L950. A total of 2 filers reported holding IMPERVA INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $278,000 | +91.7% | 5,000 | +66.7% | 0.00% | +100.0% |
| Q2 2018 | $145,000 | +3525.0% | 3,000 | +2900.0% | 0.00% | – |
| Q4 2017 | $4,000 | -99.7% | 100 | -99.7% | 0.00% | -100.0% |
| Q2 2017 | $1,483,000 | +184.1% | 31,000 | +127.9% | 0.02% | +200.0% |
| Q4 2016 | $522,000 | -60.5% | 13,600 | -44.7% | 0.01% | -64.3% |
| Q3 2016 | $1,321,000 | +3785.3% | 24,600 | +2975.0% | 0.01% | +1300.0% |
| Q1 2015 | $34,000 | -78.5% | 800 | -75.0% | 0.00% | -50.0% |
| Q4 2014 | $158,000 | -82.4% | 3,200 | -89.7% | 0.00% | -85.7% |
| Q3 2014 | $896,000 | -52.9% | 31,200 | -57.0% | 0.01% | -51.7% |
| Q2 2014 | $1,901,000 | +722.9% | 72,600 | +1412.5% | 0.03% | +866.7% |
| Q4 2013 | $231,000 | -34.6% | 4,800 | -42.9% | 0.00% | -57.1% |
| Q3 2013 | $353,000 | -4.3% | 8,400 | +2.4% | 0.01% | -22.2% |
| Q2 2013 | $369,000 | – | 8,200 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Citadel Advisors | 15,900 | $1,076,000 | 0.00% |
| SIMPLEX TRADING, LLC | 12 | $3,000 | 0.00% |