WESTPORT FUEL SYSTEMS INC's ticker is and the CUSIP is 960908959. A total of 4 filers reported holding WESTPORT FUEL SYSTEMS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $33,000 | -68.6% | 16,400 | -61.0% | 0.00% | – |
| Q3 2015 | $105,000 | -60.5% | 42,000 | -25.1% | 0.00% | -100.0% |
| Q2 2015 | $266,000 | +166.0% | 56,100 | +110.1% | 0.00% | – |
| Q4 2014 | $100,000 | -74.2% | 26,700 | -27.4% | 0.00% | -100.0% |
| Q3 2014 | $387,000 | -60.0% | 36,800 | -31.5% | 0.00% | -50.0% |
| Q2 2014 | $968,000 | -53.7% | 53,700 | -62.8% | 0.00% | -55.6% |
| Q1 2014 | $2,089,000 | -41.1% | 144,300 | -20.2% | 0.01% | -30.8% |
| Q4 2013 | $3,545,000 | -17.3% | 180,800 | +2.1% | 0.01% | -13.3% |
| Q3 2013 | $4,284,000 | +207.1% | 177,100 | +325.7% | 0.02% | +200.0% |
| Q2 2013 | $1,395,000 | – | 41,600 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 111 | $195,000 | 0.02% |
| GROUP ONE TRADING, L.P. | 26,300 | $69,000 | 0.00% |
| Citadel Advisors | 19,900 | $52,000 | 0.00% |