Latest Period
Q1 2026
CUSIP: 960908507
Latest Period
Q1 2026
Institutions Reporting
41
Shares (Excl. Options)
2,131,719
Price
$1.82
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Latest holder context comes from 41 institutions filings for Q1 2026.
Security key
960908507
Latest holder period
Q1 2026
13F holders
41
13D/G owners
6
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 960908507:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| CVI Investments, Inc. | 9.9% | $3,803,503 | 1,930,712 | CVI Investments, Inc. | 22 Jun 2026 | |||
| 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 | |||
| ROYCE & ASSOCIATES LP | 5.1% | $2,556,577 | 1,131,479 | ROYCE & ASSOCIATES LP | 30 Jun 2026 | |||
| 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, 41 institutional investors reported holding 2,131,719 shares of WESTPORT FUEL SYSTEMS INC. - Common Stock (WPRT). This represents 9.6% of the company’s total 22,229,450 outstanding shares.
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 714,417 | $1,614,583 | -$661,428 | $2.26 | 5 |
| 2026 Q1 | 2,131,719 | $3,878,500 | +$275,413 | $1.82 | 41 |
| 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 | $2.26 | 0 |
| 2016 Q3 | 125 | $201 | $1.61 | 1 | |
| 2016 Q2 | 125 | $209 | $1.67 | 1 | |
| 2016 Q1 | 125 | $326 | $2.61 | 1 |