WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 98 filers reported holding WESTPORT FUEL SYSTEMS INC in Q4 2020. The put-call ratio across all filers is 1.45 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $334,000 | +1.2% | 140,807 | +126.8% | 0.01% | -16.7% |
| Q2 2021 | $330,000 | -40.2% | 62,096 | -19.2% | 0.01% | -50.0% |
| Q1 2021 | $552,000 | -11.8% | 76,819 | -34.6% | 0.01% | -25.0% |
| Q4 2020 | $626,000 | +878.1% | 117,403 | +625.2% | 0.02% | +700.0% |
| Q1 2015 | $64,000 | -81.2% | 16,189 | -82.0% | 0.00% | -86.7% |
| Q4 2014 | $340,000 | -81.0% | 90,122 | -1.3% | 0.02% | -83.3% |
| Q4 2013 | $1,791,000 | +49.1% | 91,324 | +84.0% | 0.09% | +91.5% |
| Q3 2013 | $1,201,000 | – | 49,636 | – | 0.05% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| MIZUHO SECURITIES USA LLC | 97,800 | $1,282,000 | 0.16% |
| BOLTON LP | 179,200 | $360,000 | 0.14% |
| BOLTON LP | 179,200 | $360,000 | 0.14% |
| K2 PRINCIPAL FUND, L.P. | 181,921 | $366,000 | 0.05% |
| K2 PRINCIPAL FUND, L.P. | 125,200 | $251,000 | 0.03% |
| Lyons Wealth Management, LLC. | 10,500 | $21,000 | 0.03% |
| GRACE & WHITE INC /NY | 57,800 | $116,000 | 0.03% |
| ELKHORN PARTNERS LIMITED PARTNERSHIP | 21,800 | $44,000 | 0.03% |
| MIZUHO SECURITIES USA LLC | 97,800 | $197,000 | 0.02% |
| MARATHON CAPITAL MANAGEMENT | 22,100 | $44,000 | 0.02% |