Westport Fuel SystemsWPRT
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 49 institutions reported holding Westport Fuel Systems Inc. (WPRT) in their 13F filings, up 7 from Q3 2025. 10 opened new positions and 3 sold out. The largest holders were Grace & White Inc. ($1.8M), Royce & Associates LP ($357K) and Baird Financial Group, Inc. ($278K). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Westport Fuel Systems Inc.
- CUSIP
- 960908507
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $496K |
| Exits | 3 | $29K |
All 13F filers, Q3 2025 → Q4 2025: 449,742 shares bought and 577,642 shares sold, net −127,900 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 49 holders
| Grace & White Inc. | 0.33% | Add +11.0% | 1,160,087 | $1.8M |
| Royce & Associates LP | 0.00% | New | 227,504 | $357K |
| Baird Financial Group, Inc. | 0.00% | Reduce -67.7% | 177,282 | $278K |
| US Bancorp \de | 0.00% | No change | 166,829 | $262K |
| Goldman Sachs Group Inc. | 0.00% | Add +23.6% | 38,753 | $61K |
| Jane Street Group, LLC | 0.00% | New | 28,543 | $45K |
| Citadel Advisors | 0.00% | Reduce -44.5% | 28,186 | $44K |
| Bucket List Wealth Management, LLC | 0.02% | — | 22,200 | $35K |
| XTX Topco Ltd | 0.00% | New | 19,468 | $31K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 18,092 | $29K |
| UBS Group AG | 0.00% | Add +7.8% | 16,515 | $26K |
| Royal Bank of Canada | 0.00% | Reduce -92.9% | 12,813 | $20K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -4.0% | 12,131 | $19K |
| LPL Financial LLC | 0.00% | New | 10,073 | $16K |
| Renaissance Technologies | 0.00% | New | 10,023 | $16K |
| Arkadios Wealth Advisors | 0.00% | New | 10,000 | $16K |
| HRT Financial LP | 0.00% | New | 10,113 | $15K |
| Simplex Trading, LLC | 0.00% | Add +635.2% | 6,705 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +202.5% | 3,585 | $6K |
| Citigroup Inc. | 0.00% | Add +217.7% | 2,554 | $4K |
| Morgan Stanley | 0.00% | Reduce -51.4% | 2,123 | $3K |
| Federation des caisses Desjardins du Quebec | 0.00% | Reduce -22.2% | 1,673 | $3K |
| Bank of America Corp. | 0.00% | No change | 1,558 | $2K |
| Wells Fargo & Company | 0.00% | No change | 1,459 | $2K |
| Allworth Financial LP | 0.00% | No change | 1,025 | $2K |
| SWAN Capital LLC | 0.00% | No change | 1,000 | $2K |
| ORG Partners LLC | 0.00% | No change | 400 | $628 |
| Disciplined Equity Management, Inc. | 0.00% | New | 300 | $618 |
| Osaic Holdings, Inc. | 0.00% | Reduce -1.7% | 352 | $551 |
| HighMark Wealth Management LLC | 0.00% | No change | 350 | $549 |
| Country Trust Bank | 0.00% | No change | 220 | $345 |
| Bullseye Investment Management, LLC | 0.00% | New | 200 | $314 |
| Deutsche Bank AG | 0.00% | No change | 184 | $289 |
| Fifth Third Bancorp | 0.00% | New | 170 | $267 |
| Planning Project LLC | 0.00% | — | 150 | $236 |
| Thompson Investment Management, Inc. | 0.00% | No change | 125 | $196 |
| Gen-Wealth Partners Inc | 0.00% | No change | 86 | $135 |
| CBIZ Investment Advisory Services, LLC | 0.00% | Add +80.0% | 45 | $71 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -2.8% | 35 | $55 |
| MAI Capital Management | 0.00% | No change | 33 | $52 |
| Rockefeller Capital Management L.P. | 0.00% | No change | 30 | $47 |
| Golden State Wealth Management, LLC | 0.00% | Reduce -44.4% | 30 | $47 |
| Harbour Investments, Inc. | 0.00% | No change | 27 | $42 |
| North Star Investment Management Corp. | 0.00% | No change | 20 | $31 |
| Delta Asset Management LLC | 0.00% | No change | 15 | $24 |
| Avalon Trust Co | 0.00% | No change | 13 | $21 |
| Robinswood Financial LLC | 0.00% | No change | 1 | $1 |
| Cwm, LLC | 0.00% | Reduce -84.5% | 11 | $0 |
| Tsfg, LLC | 0.00% | No change | 1 | $0 |
"% of holder's portfolio" is WPRT's weight in each manager's 13F, not the share of Westport Fuel Systems Inc. the manager owns.