VOLCANO CORPORATION's ticker is and the CUSIP is 928645950. A total of 3 filers reported holding VOLCANO CORPORATION in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $184,000 | +2966.7% | 10,300 | +1616.7% | 0.00% | – |
| Q3 2014 | $6,000 | -76.0% | 600 | -57.1% | 0.00% | – |
| Q2 2014 | $25,000 | -35.9% | 1,400 | -30.0% | 0.00% | – |
| Q1 2014 | $39,000 | -18.8% | 2,000 | -9.1% | 0.00% | – |
| Q4 2013 | $48,000 | -52.0% | 2,200 | -47.6% | 0.00% | – |
| Q3 2013 | $100,000 | -36.7% | 4,200 | -51.7% | 0.00% | – |
| Q2 2013 | $158,000 | – | 8,700 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 18,600 | $333,000 | 0.01% |
| Citadel Advisors | 10,300 | $184,000 | 0.00% |
| SIMPLEX TRADING, LLC | 734 | $2,000 | 0.00% |