WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 133 filers reported holding WESTPORT FUEL SYSTEMS INC in Q3 2021. The put-call ratio across all filers is 4.61 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $16,272 | +306.8% | 3,200 | +100.0% | 0.00% | – |
| Q1 2023 | $4,000 | +1930.5% | 1,600 | -97.9% | 0.00% | -100.0% |
| Q4 2022 | $197 | -99.9% | 75,812 | -6.5% | 0.01% | 0.0% |
| Q3 2022 | $210,000 | +19.3% | 81,067 | +19.2% | 0.01% | -16.7% |
| Q2 2022 | $176,000 | -19.6% | 67,994 | -19.2% | 0.01% | +100.0% |
| Q1 2022 | $219,000 | +447.5% | 84,180 | +425.7% | 0.00% | +200.0% |
| Q4 2021 | $40,000 | -7.0% | 16,014 | +28.5% | 0.00% | 0.0% |
| Q3 2021 | $43,000 | +19.4% | 12,458 | +88.8% | 0.00% | 0.0% |
| Q2 2021 | $36,000 | -16.3% | 6,597 | +10.0% | 0.00% | 0.0% |
| Q1 2021 | $43,000 | +34.4% | 6,000 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $32,000 | +220.0% | 6,000 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $10,000 | +42.9% | 6,000 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $7,000 | +16.7% | 6,000 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $6,000 | -60.0% | 6,000 | -4.0% | 0.00% | 0.0% |
| Q4 2019 | $15,000 | -58.3% | 6,250 | -49.0% | 0.00% | -50.0% |
| Q3 2019 | $36,000 | +350.0% | 12,250 | +110.5% | 0.00% | +100.0% |
| Q1 2019 | $8,000 | -42.9% | 5,820 | -42.2% | 0.00% | 0.0% |
| Q4 2018 | $14,000 | -22.2% | 10,070 | +66.6% | 0.00% | 0.0% |
| Q3 2018 | $18,000 | +50.0% | 6,045 | +26.1% | 0.00% | 0.0% |
| Q2 2018 | $12,000 | -70.7% | 4,795 | -55.6% | 0.00% | -50.0% |
| Q1 2018 | $41,000 | 0.0% | 10,795 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $41,000 | +10.8% | 10,795 | -4.4% | 0.00% | +100.0% |
| Q3 2017 | $37,000 | +32.1% | 11,295 | -4.2% | 0.00% | 0.0% |
| Q2 2017 | $28,000 | +180.0% | 11,795 | +12.6% | 0.00% | – |
| Q1 2017 | $10,000 | -28.6% | 10,475 | -16.0% | 0.00% | -100.0% |
| Q4 2016 | $14,000 | -30.0% | 12,475 | -0.8% | 0.00% | 0.0% |
| Q3 2016 | $20,000 | -4.8% | 12,575 | 0.0% | 0.00% | 0.0% |
| Q2 2016 | $21,000 | +162.5% | 12,575 | +116.1% | 0.00% | 0.0% |
| Q1 2016 | $8,000 | -69.2% | 5,820 | -54.4% | 0.00% | -50.0% |
| Q4 2015 | $26,000 | – | 12,765 | – | 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% |