Westport Fuel Systems Inc.
WPRT- Exchange
- Nasdaq
- Industry
- Engines & Turbines
- SEC CIK
- 0001370416
No open-market purchases or sales by Westport Fuel Systems Inc. insiders were filed in the last 90 days; 45 institutions reported holding it in 13F filings for Q2 2026, worth $8.21M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Westport Fuel Systems Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 43
- −4 vs. Q4 2025
- Shares held
- 2.13M
- +139.5K (+7.0%) vs. Q4 2025
- Total value
- $3.88M
- +$751.2K (+24.0%) vs. Q4 2025
- New holders
- 6
- 7 more added
- Sold out
- 10
- 9 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting WPRT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 45 | $8.21M |
| Q1 2026 | 43 | $3.88M |
| Q4 2025 | 49 | $3.13M |
| Q3 2025 | 42 | $5.07M |
| Q2 2025 | 45 | $6.98M |
| Q1 2025 | 48 | $9.50M |
| Q4 2024 | 51 | $9.62M |
| Q3 2024 | 47 | $9.20M |
| Q2 2024 | 46 | $9.41M |
| Q1 2024 | 50 | $13.3M |
| Q4 2023 | 51 | $12.2M |
| Q3 2023 | 51 | $10.8M |
| Q2 2023 | 56 | $13.0M |
| Q1 2023 | 91 | $20.5M |
| Q4 2022 | 86 | $16.7M |
| Q3 2022 | 86 | $20.6M |
| Q2 2022 | 99 | $27.7M |
| Q1 2022 | 110 | $50.1M |
| Q4 2021 | 126 | $102.0M |
| Q3 2021 | 133 | $151.4M |
| Q2 2021 | 137 | $263.5M |
| Q1 2021 | 122 | $270.3M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Westport Fuel Systems Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Grace & White Inc | 1,006,708 | $1.83M | 0.32% | −153,379−13.2% | Reduced |
| Royce & Associates LP | 491,902 | $895.3K | 0.01% | +264,398+116.2% | Added |
| US Bancorp | 166,829 | $303.6K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 163,898 | $298.3K | 0.00% | −13,384−7.5% | Reduced |
| Citadel Advisors LLC | 154,905 | $281.9K | 0.00% | +126,719+449.6% | Added |
| Goldman Sachs Group Inc | 38,245 | $69.6K | 0.00% | −508−1.3% | Reduced |
| TD Waterhouse Canada Inc. | 18,114 | $32.5K | 0.00% | +22+0.1% | Added |
| UBS Group AG | 16,418 | $29.9K | 0.00% | −97−0.6% | Reduced |
| Jane Street Group, LLC | 15,193 | $27.7K | 0.00% | −13,350−46.8% | Reduced |
| Centiva Capital, LP | 13,012 | $23.7K | 0.00% | +13,012 | New |
| Cambridge Investment Research Advisors, Inc. | 11,781 | $21.0K | 0.00% | −350−2.9% | Reduced |
| LPL Financial LLC | 10,026 | $18.2K | 0.00% | −47−0.5% | Reduced |
| Royal Bank of Canada | 7,858 | $14.0K | 0.00% | −4,955−38.7% | Reduced |
| Morgan Stanley | 4,061 | $7.39K | 0.00% | +1,938+91.3% | Added |
| Tower Research Capital LLC (TRC) | 3,685 | $6.71K | 0.00% | +100+2.8% | Added |
| Federation des caisses Desjardins du Quebec | 1,673 | $2.92K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,441 | $2.58K | 0.00% | −18−1.2% | Reduced |
| Allworth Financial LP | 1,025 | $1.87K | 0.00% | 00.0% | Unchanged |
| SWAN Capital LLC | 1,000 | $1.82K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 897 | $1.63K | 0.00% | +897 | New |
| Jones Financial Companies LLLP | 710 | $1.32K | 0.00% | +710 | New |
| Advisor Group Holdings, Inc. | 483 | $878 | 0.00% | +131+37.2% | Added |
| ORG Wealth Partners, LLC | 400 | $728 | 0.00% | +400 | New |
| HighMark Wealth Management LLC | 350 | $637 | 0.00% | 00.0% | Unchanged |
| Country Trust Bank | 220 | $400 | 0.00% | 00.0% | Unchanged |
| Bullseye Investment Management, LLC | 200 | $364 | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 184 | $335 | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 170 | $309 | 0.00% | 00.0% | Unchanged |
| Thompson Investment Management, Inc. | 125 | $227 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 124 | $219 | 0.00% | +124 | New |
| Gen-Wealth Partners Inc | 86 | $157 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 85 | $155 | 0.00% | +55+183.3% | Added |
| CBIZ Investment Advisory Services, LLC | 45 | $82 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 35 | $64 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 33 | $61 | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 30 | $55 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 27 | $49 | 0.00% | 00.0% | Unchanged |
| Delta Asset Management LLC | 15 | $27 | 0.00% | 00.0% | Unchanged |
| Avalon Trust Co | 13 | $24 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 11 | $20 | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 1 | $2 | 0.00% | +1 | New |
| Robinswood Financial LLC | 1 | $1 | 0.00% | 00.0% | Unchanged |
| TSFG, LLC | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Bucket List Wealth Management, LLC | 0 | $0 | 0.00% | −22,200−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −19,468−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −10,023−100.0% | Sold out |
| Arkadios Wealth Advisors | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −10,113−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6,705−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −2,554−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −1,558−100.0% | Sold out |
| Disciplined Equity Management, Inc. | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| North Star Investment Management Corp. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| ORG Partners LLC | – | – | – | – | Not filed |
| Planning Project LLC | – | – | – | – | Not filed |