WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 137 filers reported holding WESTPORT FUEL SYSTEMS INC in Q2 2021. The put-call ratio across all filers is 1.91 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $283 | +23.0% | 297 | 0.0% | 0.00% | – |
| Q4 2022 | $230 | – | 297 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 297 | 0.0% | 0.00% | – |
| Q2 2022 | $0 | – | 297 | 0.0% | 0.00% | – |
| Q1 2022 | $0 | -100.0% | 297 | 0.0% | 0.00% | – |
| Q4 2021 | $1,000 | -90.9% | 297 | -91.4% | 0.00% | – |
| Q3 2021 | $11,000 | -98.5% | 3,464 | -97.4% | 0.00% | – |
| Q2 2021 | $712,000 | -39.8% | 133,989 | -18.6% | 0.00% | -100.0% |
| Q1 2021 | $1,183,000 | +149.6% | 164,591 | +85.2% | 0.00% | – |
| Q4 2020 | $474,000 | +15700.0% | 88,894 | +4586.0% | 0.00% | – |
| Q3 2020 | $3,000 | – | 1,897 | +538.7% | 0.00% | – |
| Q2 2020 | $0 | – | 297 | 0.0% | 0.00% | – |
| Q1 2020 | $0 | -100.0% | 297 | -88.4% | 0.00% | – |
| Q4 2019 | $6,000 | -94.2% | 2,570 | -93.3% | 0.00% | – |
| Q3 2019 | $104,000 | +166.7% | 38,458 | +162.7% | 0.00% | – |
| Q2 2019 | $39,000 | -83.5% | 14,641 | -90.4% | 0.00% | – |
| Q1 2019 | $236,000 | -60.5% | 152,797 | -66.0% | 0.00% | – |
| Q4 2018 | $598,000 | +11860.0% | 449,797 | +22423.6% | 0.00% | – |
| Q3 2018 | $5,000 | +150.0% | 1,997 | +100.3% | 0.00% | – |
| Q2 2018 | $2,000 | -75.0% | 997 | -75.7% | 0.00% | – |
| Q1 2018 | $8,000 | -98.2% | 4,097 | -96.6% | 0.00% | – |
| Q4 2017 | $457,000 | +56.0% | 121,700 | +35.1% | 0.00% | – |
| Q3 2017 | $293,000 | -19.1% | 90,100 | -41.6% | 0.00% | – |
| Q2 2017 | $362,000 | +111.7% | 154,400 | -14.3% | 0.00% | – |
| Q1 2017 | $171,000 | +159.1% | 180,100 | +200.7% | 0.00% | – |
| Q4 2016 | $66,000 | -82.4% | 59,900 | -74.3% | 0.00% | – |
| Q3 2016 | $374,000 | +70.8% | 232,892 | +76.7% | 0.00% | – |
| Q2 2016 | $219,000 | -28.9% | 131,769 | +11.4% | 0.00% | – |
| Q1 2016 | $308,000 | +30.0% | 118,284 | 0.0% | 0.00% | – |
| Q4 2015 | $237,000 | +11750.0% | 118,284 | +9112.1% | 0.00% | – |
| Q3 2015 | $2,000 | -97.9% | 1,284 | -93.6% | 0.00% | – |
| Q2 2015 | $95,000 | -41.4% | 20,214 | -51.3% | 0.00% | – |
| Q1 2015 | $162,000 | -91.1% | 41,530 | -91.5% | 0.00% | -100.0% |
| Q4 2014 | $1,825,000 | -13.7% | 488,122 | +142.5% | 0.00% | 0.0% |
| Q3 2014 | $2,115,000 | -66.0% | 201,282 | -41.8% | 0.00% | -75.0% |
| Q2 2014 | $6,229,000 | -27.7% | 345,744 | -41.9% | 0.00% | -33.3% |
| Q1 2014 | $8,616,000 | -28.8% | 595,123 | -4.0% | 0.01% | -33.3% |
| Q4 2013 | $12,105,000 | -23.4% | 619,670 | -5.2% | 0.01% | -25.0% |
| Q3 2013 | $15,803,000 | – | 653,322 | – | 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% |