WESTPORT FUEL SYSTEMS INC's ticker is WPRT and the CUSIP is 960908309. A total of 90 filers reported holding WESTPORT FUEL SYSTEMS INC in Q1 2023. The put-call ratio across all filers is 1.00 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $286 | -7.7% | 300 | -25.0% | 0.00% | – |
| Q4 2022 | $310 | -69.0% | 400 | -20.0% | 0.00% | – |
| Q4 2021 | $1,000 | -50.0% | 500 | 0.0% | 0.00% | – |
| Q3 2021 | $2,000 | -33.3% | 500 | 0.0% | 0.00% | – |
| Q2 2021 | $3,000 | -25.0% | 500 | 0.0% | 0.00% | – |
| Q1 2021 | $4,000 | +33.3% | 500 | 0.0% | 0.00% | – |
| Q4 2020 | $3,000 | +200.0% | 500 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q2 2020 | $1,000 | – | 500 | 0.0% | 0.00% | – |
| Q1 2020 | $0 | -100.0% | 500 | 0.0% | 0.00% | – |
| Q4 2019 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2019 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q4 2018 | $1,000 | -50.0% | 500 | 0.0% | 0.00% | – |
| Q3 2018 | $2,000 | +100.0% | 500 | 0.0% | 0.00% | – |
| Q2 2018 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2018 | $1,000 | -50.0% | 500 | 0.0% | 0.00% | – |
| Q4 2017 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q3 2017 | $2,000 | +100.0% | 500 | 0.0% | 0.00% | – |
| Q2 2017 | $1,000 | – | 500 | 0.0% | 0.00% | – |
| Q1 2017 | $0 | -100.0% | 500 | 0.0% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q3 2016 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q2 2016 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2016 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q4 2015 | $1,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q3 2015 | $1,000 | -50.0% | 500 | 0.0% | 0.00% | – |
| Q2 2015 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q1 2015 | $2,000 | 0.0% | 500 | 0.0% | 0.00% | – |
| Q4 2014 | $2,000 | -60.0% | 500 | 0.0% | 0.00% | -100.0% |
| Q3 2014 | $5,000 | 0.0% | 500 | +66.7% | 0.00% | 0.0% |
| Q2 2014 | $5,000 | +150.0% | 300 | +100.0% | 0.00% | – |
| Q1 2014 | $2,000 | -33.3% | 150 | 0.0% | 0.00% | -100.0% |
| Q4 2013 | $3,000 | -25.0% | 150 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $4,000 | -20.0% | 150 | 0.0% | 0.00% | 0.0% |
| Q2 2013 | $5,000 | – | 150 | – | 0.00% | – |
Download | ||||||
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% |