Latest Period
Q1 2026
Security Snapshot
WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT) Institutional Ownership
CUSIP: 960908507
13F Institutional Holders and Ownership History from Q1 2016 to Q1 2026
Institutions Reporting
40
Shares (Excl. Options)
2,131,718
Price
$1.82
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- Type / Class
- Equity / Common Shares
- Symbol
- WPRT on Nasdaq
- Shares outstanding
- 17,728,200
- Price per share
- $1.93
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 2,131,718
- Total reported value
- $3,878,499
- % of total 13F portfolios
- 0%
- Share change
- +139,489
- Value change
- +$275,413
- Number of holders
- 40
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- WPRT - WESTPORT FUEL SYSTEMS INC. - Common Shares is tracked under CUSIP 960908507.
- 40 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 45 to 40 between Q4 2025 and Q1 2026.
- Reported value moved from $3,128,194 to $3,878,499.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 40 institutions filings for Q1 2026.
Security key
960908507
Latest holder period
Q1 2026
13F holders
40
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
WPRT full holder history
WESTPORT FUEL SYSTEMS INC. SEC filings
WESTPORT FUEL SYSTEMS INC. company facts
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 960908507:
Significant Owners of WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| DOUGLAS KEVIN | 10% | $5,213,897 | 1,816,689 | Kevin Douglas | 30 Apr 2025 | |||
| GRACE & WHITE INC /NY | 6.7% | +10% | $1,825,000 | +$180,614 | 1,163,087 | +11% | GRACE & WHITE, INC. | 31 Dec 2025 |
| Cushner Alex Scott | 6.7% | $3,284,732 | 1,144,506 | Alex Cushner | 31 Dec 2024 | |||
| Robert W. Baird & Co. Inc | 1% | -86% | $278,333 | -$1,160,051 | 177,282 | -81% | Robert W. Baird & Co. Inc | 31 Dec 2025 |
As of 31 Mar 2026, 40 institutional investors reported holding 2,131,718 shares of WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT). This represents 12% of the company’s total 17,728,200 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT) together control 12% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| GRACE & WHITE INC /NY | 5.7% | 1,006,708 | -13% | 0.32% | $1,832,209 |
| ROYCE & ASSOCIATES LP | 2.8% | 491,902 | +116% | 0.01% | $895,262 |
| US BANCORP \DE\ | 0.94% | 166,829 | 0% | 0% | $303,629 |
| Baird Financial Group, Inc. | 0.92% | 163,898 | -7.5% | 0% | $298,294 |
| CITADEL ADVISORS LLC | 0.87% | 154,905 | +450% | 0% | $281,927 |
| GOLDMAN SACHS GROUP INC | 0.22% | 38,245 | -1.3% | 0% | $69,606 |
| TD Waterhouse Canada Inc. | 0.1% | 18,114 | +0.12% | 0% | $32,451 |
| UBS Group AG | 0.09% | 16,418 | -0.59% | 0% | $29,880 |
| JANE STREET GROUP, LLC | 0.09% | 15,193 | -47% | 0% | $27,651 |
| Centiva Capital, LP | 0.07% | 13,012 | 0% | $23,682 | |
| Cambridge Investment Research Advisors, Inc. | 0.07% | 11,781 | -2.9% | 0% | $21,000 |
| LPL Financial LLC | 0.06% | 10,026 | -0.47% | 0% | $18,247 |
| ROYAL BANK OF CANADA | 0.04% | 7,758 | -39% | 0% | $14,000 |
| MORGAN STANLEY | 0.02% | 4,061 | +91% | 0% | $7,391 |
| Tower Research Capital LLC (TRC) | 0.02% | 3,685 | +2.8% | 0% | $6,707 |
| Federation des caisses Desjardins du Quebec | 0.01% | 1,673 | 0% | 0% | $2,919 |
| WELLS FARGO & COMPANY/MN | 0.01% | 1,441 | -1.2% | 0% | $2,575 |
| Allworth Financial LP | 0.01% | 1,025 | 0% | 0% | $1,866 |
| SWAN Capital LLC | 0.01% | 1,000 | 0% | 0% | $1,820 |
| GROUP ONE TRADING LLC | 0.01% | 897 | 0% | $1,633 | |
| JONES FINANCIAL COMPANIES LLLP | 0% | 710 | 0% | $1,321 | |
| OSAIC HOLDINGS, INC. | 0% | 483 | +37% | 0% | $878 |
| Ascentis Wealth Management, LLC | 0% | 400 | 0% | $728 | |
| HighMark Wealth Management LLC | 0% | 350 | 0% | 0% | $637 |
| COUNTRY TRUST BANK | 0% | 220 | 0% | 0% | $400 |
Institutional Holders of WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,131,718 | $3,878,499 | +$275,413 | $1.82 | 40 |
| 2025 Q4 | 1,992,779 | $3,128,194 | -$211,154 | $1.57 | 45 |
| 2025 Q3 | 2,235,475 | $5,073,766 | +$17,506 | $2.27 | 39 |
| 2025 Q2 | 2,223,363 | $6,979,012 | -$1,077,741 | $3.14 | 43 |
| 2025 Q1 | 2,561,437 | $9,499,176 | -$458,125 | $3.71 | 45 |
| 2024 Q4 | 2,687,363 | $9,618,378 | +$2,412,300 | $3.58 | 48 |
| 2024 Q3 | 2,005,516 | $9,204,843 | +$1,450,678 | $4.59 | 44 |
| 2024 Q2 | 1,689,221 | $9,407,603 | +$374,664 | $5.57 | 41 |
| 2024 Q1 | 1,609,160 | $10,847,054 | +$951,227 | $6.74 | 44 |
| 2023 Q4 | 1,472,821 | $9,726,213 | +$1,059,785 | $6.62 | 45 |
| 2023 Q3 | 1,404,038 | $8,509,562 | +$469,265 | $6.06 | 43 |
| 2023 Q2 | 1,303,461 | $9,998,885 | +$9,997,658 | $7.67 | 50 |
| 2016 Q4 | 0 | $0 | -$201 | $1.93 | 0 |
| 2016 Q3 | 125 | $201 | $1.61 | 1 | |
| 2016 Q2 | 125 | $209 | $1.67 | 1 | |
| 2016 Q1 | 125 | $326 | $2.61 | 1 |