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

Latest Period

Q4 2025

Institutions Reporting

44

Shares (Excl. Options)

1,970,579

Price

$1.57

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Type / Class
Equity / Common Shares
Symbol
WPRT on Nasdaq
Shares outstanding
17,728,200
Price per share
$1.87
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
1,970,579
Total reported value
$3,093,340
% of total 13F portfolios
0%
Share change
-128,040
Value change
-$211,154
Number of holders
44
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • WPRT - WESTPORT FUEL SYSTEMS INC. - Common Shares is tracked under CUSIP 960908507.
  • 44 institutions reported positions in Q4 2025.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 44 to 8 between Q4 2025 and Q1 2026.
  • Reported value moved from $3,093,340 to $1,854,992.

Why This Matters

  • 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.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 44 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 960908507?
CUSIP 960908507 identifies WPRT - WESTPORT FUEL SYSTEMS INC. - Common Shares in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

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 Dec 2025, 44 institutional investors reported holding 1,970,579 shares of WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT). This represents 11% 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 11% 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 6.5% 1,160,087 +11% 0.32% $1,821,337
ROYCE & ASSOCIATES LP 1.3% 227,504 0% $357,181
Baird Financial Group, Inc. 1% 177,282 -68% 0% $278,333
US BANCORP \DE\ 0.94% 166,829 0% 0% $261,922
GOLDMAN SACHS GROUP INC 0.22% 38,753 +24% 0% $60,842
JANE STREET GROUP, LLC 0.16% 28,543 0% $44,812
CITADEL ADVISORS LLC 0.16% 28,186 -45% 0% $44,252
XTX Topco Ltd 0.11% 19,468 0% $30,565
TD Waterhouse Canada Inc. 0.1% 18,092 0% 0% $28,604
UBS Group AG 0.09% 16,515 +7.8% 0% $25,928
ROYAL BANK OF CANADA 0.07% 12,713 -93% 0% $20,000
Cambridge Investment Research Advisors, Inc. 0.07% 12,131 -4% 0% $19,000
HRT FINANCIAL LP 0.06% 10,113 0% $15,000
LPL Financial LLC 0.06% 10,073 0% $15,815
RENAISSANCE TECHNOLOGIES LLC 0.06% 10,023 0% $15,736
Arkadios Wealth Advisors 0.06% 10,000 0% $15,700
SIMPLEX TRADING, LLC 0.04% 6,705 +635% 0% $10,526
Tower Research Capital LLC (TRC) 0.02% 3,585 +203% 0% $5,628
CITIGROUP INC 0.01% 2,554 +218% 0% $4,043
MORGAN STANLEY 0.01% 2,123 -51% 0% $3,333
Federation des caisses Desjardins du Quebec 0.01% 1,673 -22% 0% $2,645
BANK OF AMERICA CORP /DE/ 0.01% 1,558 0% 0% $2,446
WELLS FARGO & COMPANY/MN 0.01% 1,459 0% 0% $2,308
Allworth Financial LP 0.01% 1,025 0% 0% $1,610
SWAN Capital LLC 0.01% 1,000 0% 0% $1,570

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 1,019,469 $1,854,992 -$279,695 $1.82 8
2025 Q4 1,970,579 $3,093,340 -$211,154 $1.57 44
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 $1.87 0
2016 Q3 125 $201 $1.61 1
2016 Q2 125 $209 $1.67 1
2016 Q1 125 $326 $2.61 1
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