Institutional Ownership
Westport Fuel Systems Inc
CUSIP 960908507COMWPRTQ1 2026
13D / 13G Filings
8
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
10.6%
Max % of class reported
Institutional Holders
41
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
8 filings · latest Feb 6, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 6, 2026 | Robert W. Baird &Amp; Co. Inc | 13G/A | 1.0% | 177.3K | SEC |
| 2 | Jan 27, 2026 | Grace &Amp; White, Inc. | 13G/A | 6.7% | 1.16M | SEC |
| 3 | May 1, 2025 | Kevin Douglas | 13D/A | 10.5% | — | SEC |
| 4 | Feb 14, 2025 | Alex Cushner | 13G | 6.7% | 1.14M | SEC |
| 5 | Feb 11, 2025 | Baird Robert W &Amp; Co Inc /Wi/ | 13G | 5.3% | 916.2K | SEC |
| 6 | Feb 5, 2025 | Grace &Amp; White, Inc. | 13G | 6.1% | 1.05M | SEC |
| 7 | Jun 17, 2024 | Douglas Kevin | 13D/A | 10.6% | 1.82M | SEC |
| 8 | Jan 25, 2024 | Douglas Kevin | 13D/A | 10.6% | 1.82M | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Grace & White Inc /Ny | 1.01M | $1.83M |
| 2 | Royce & Associates LP | 491.9K | $895.3K |
| 3 | Us Bancorp \De\ | 166.8K | $303.6K |
| 4 | Baird Financial Group, Inc. | 163.9K | $298.3K |
| 5 | Citadel Advisors LLC | 154.9K | $281.9K |
| 6 | Goldman Sachs Group Inc | 38.2K | $69.6K |
| 7 | Td Waterhouse Canada Inc. | 18.1K | $32.5K |
| 8 | Ubs Group AG | 16.4K | $29.9K |
| 9 | Jane Street Group, LLC | 15.2K | $27.7K |
| 10 | Centiva Capital, LP | 13.0K | $23.7K |