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 2023 | $8 | +33.3% | 8,000 | 0.0% | 0.01% | +20.0% |
| Q4 2022 | $6 | -99.9% | 8,000 | 0.0% | 0.01% | -16.7% |
| Q3 2022 | $7,000 | -12.5% | 8,000 | 0.0% | 0.01% | 0.0% |
| Q2 2022 | $8,000 | +60.0% | 8,000 | +300.0% | 0.01% | +100.0% |
| Q1 2022 | $5,000 | 0.0% | 2,000 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $5,000 | -61.5% | 2,000 | -50.0% | 0.00% | -66.7% |
| Q3 2021 | $13,000 | -67.5% | 4,000 | -71.4% | 0.01% | -67.9% |
| Q4 2020 | $40,000 | +110.5% | 14,000 | +40.0% | 0.03% | +40.0% |
| Q1 2020 | $19,000 | +58.3% | 10,000 | +100.0% | 0.02% | +122.2% |
| Q4 2019 | $12,000 | -14.3% | 5,000 | 0.0% | 0.01% | -18.2% |
| Q3 2019 | $14,000 | 0.0% | 5,000 | 0.0% | 0.01% | -8.3% |
| Q2 2019 | $14,000 | +75.0% | 5,000 | 0.0% | 0.01% | +50.0% |
| Q1 2019 | $8,000 | +14.3% | 5,000 | 0.0% | 0.01% | +14.3% |
| Q4 2018 | $7,000 | – | 5,000 | – | 0.01% | – |
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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% |