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 | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $224,000 | – | 31,221 | +346800.0% | 0.00% | – |
| Q3 2020 | $0 | -100.0% | 9 | -99.9% | 0.00% | – |
| Q2 2020 | $9,000 | +200.0% | 7,000 | +508.7% | 0.00% | – |
| Q2 2019 | $3,000 | +50.0% | 1,150 | 0.0% | 0.00% | – |
| Q1 2019 | $2,000 | 0.0% | 1,150 | 0.0% | 0.00% | – |
| Q4 2018 | $2,000 | -33.3% | 1,150 | 0.0% | 0.00% | – |
| Q3 2018 | $3,000 | 0.0% | 1,150 | 0.0% | 0.00% | – |
| Q2 2018 | $3,000 | 0.0% | 1,150 | 0.0% | 0.00% | – |
| Q1 2018 | $3,000 | -50.0% | 1,150 | -30.3% | 0.00% | – |
| Q4 2017 | $6,000 | +50.0% | 1,650 | +43.5% | 0.00% | – |
| Q3 2017 | $4,000 | +33.3% | 1,150 | 0.0% | 0.00% | – |
| Q2 2017 | $3,000 | +200.0% | 1,150 | 0.0% | 0.00% | – |
| Q1 2017 | $1,000 | 0.0% | 1,150 | 0.0% | 0.00% | – |
| Q4 2016 | $1,000 | -95.8% | 1,150 | +62.9% | 0.00% | -100.0% |
| Q2 2013 | $24,000 | – | 706 | – | 0.00% | – |
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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% |