Westport Fuel SystemsWPRT
13F holders, Q1 2026 (March 31)43holders −6
6new positions
10sold out
1famous investor
$1.82avg. 13F price*
At the end of Q1 2026, 43 institutions reported holding Westport Fuel Systems Inc. (WPRT) in their 13F filings, down 6 from Q4 2025. 6 opened new positions and 10 sold out. The largest holders were Grace & White Inc. ($1.8M), Royce & Associates LP ($895K) and US Bancorp \de ($304K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Westport Fuel Systems Inc.
- CUSIP
- 960908507
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $28K |
| Exits | 10 | $130K |
All 13F filers, Q4 2025 → Q1 2026: 408,507 shares bought and 269,029 shares sold, net +139,478 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 43 holders
| Grace & White Inc. | 0.33% | Reduce -13.2% | 1,006,708 | $1.8M |
| Royce & Associates LP | 0.01% | Add +116.2% | 491,902 | $895K |
| US Bancorp \de | 0.00% | No change | 166,829 | $304K |
| Baird Financial Group, Inc. | 0.00% | Reduce -7.5% | 163,898 | $298K |
| Citadel Advisors | 0.00% | Add +449.6% | 154,905 | $282K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -1.3% | 38,245 | $70K |
| TD Waterhouse Canada Inc. | 0.00% | Add +0.1% | 18,114 | $32K |
| UBS Group AG | 0.00% | Reduce -0.6% | 16,418 | $30K |
| Jane Street Group, LLC | 0.00% | Reduce -46.8% | 15,193 | $28K |
| Centiva Capital, LP | 0.00% | New | 13,012 | $24K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -2.9% | 11,781 | $21K |
| LPL Financial LLC | 0.00% | Reduce -0.5% | 10,026 | $18K |
| Royal Bank of Canada | 0.00% | Reduce -38.7% | 7,858 | $14K |
| Morgan Stanley | 0.00% | Add +91.3% | 4,061 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +2.8% | 3,685 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 1,673 | $3K |
| Wells Fargo & Company | 0.00% | Reduce -1.2% | 1,441 | $3K |
| Allworth Financial LP | 0.00% | No change | 1,025 | $2K |
| SWAN Capital LLC | 0.00% | No change | 1,000 | $2K |
| Group One Trading LLC | 0.00% | New | 897 | $2K |
| Jones Financial Companies LLLP | 0.00% | New | 710 | $1K |
| Osaic Holdings, Inc. | 0.00% | Add +37.2% | 483 | $878 |
| Ascentis Wealth Management, LLC | 0.00% | New | 400 | $728 |
| HighMark Wealth Management LLC | 0.00% | No change | 350 | $637 |
| Country Trust Bank | 0.00% | No change | 220 | $400 |
| Bullseye Investment Management, LLC | 0.00% | No change | 200 | $364 |
| Deutsche Bank AG | 0.00% | No change | 184 | $335 |
| Fifth Third Bancorp | 0.00% | No change | 170 | $309 |
| Thompson Investment Management, Inc. | 0.00% | No change | 125 | $227 |
| National Bank of Canada | 0.00% | New | 124 | $219 |
| Gen-Wealth Partners Inc | 0.00% | No change | 86 | $157 |
| Rockefeller Capital Management L.P. | 0.00% | Add +183.3% | 85 | $155 |
| CBIZ Investment Advisory Services, LLC | 0.00% | No change | 45 | $82 |
| SBI Securities Co., Ltd. | 0.00% | No change | 35 | $64 |
| MAI Capital Management | 0.00% | No change | 33 | $61 |
| Golden State Wealth Management, LLC | 0.00% | No change | 30 | $55 |
| Harbour Investments, Inc. | 0.00% | No change | 27 | $49 |
| Delta Asset Management LLC | 0.00% | No change | 15 | $27 |
| Avalon Trust Co | 0.00% | No change | 13 | $24 |
| Cwm, LLC | 0.00% | No change | 11 | $20 |
| Caldwell Sutter Capital, Inc. | 0.00% | New | 1 | $2 |
| Robinswood Financial LLC | 0.00% | No change | 1 | $1 |
| 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.