WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT)

CUSIP: 960908507

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Shares
Shares outstanding
17,728,200
Total 13F shares
1,992,779
Share change
-128,040
Total reported value
$3,128,194
Put/Call ratio
24%
Price per share
$1.57
Number of holders
45
Value change
-$211,154
Number of buys
16
Number of sells
12

Quarterly Holders Quick Answers

What is CUSIP 960908507?
CUSIP 960908507 identifies WPRT - WESTPORT FUEL SYSTEMS INC. - Common Shares in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of WPRT - WESTPORT FUEL SYSTEMS INC. - Common Shares (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Kevin Douglas
13D/G
10%
1,816,689
$5,213,897 $0 30 Apr 2025
Alex Scott Cushner
13D/G
Alex Cushner
6.7%
1,144,506
$3,284,732 $0 31 Dec 2024
GRACE & WHITE INC /NY
13F 13D/G
Company · GRACE & WHITE, INC.
6.7%
from 13D/G
1,045,300
$2,372,831 30 Sep 2025
Baird Financial Group, Inc.
13F
Company
3.1%
549,074
$1,246,398 30 Sep 2025
13F
ROYAL BANK OF CANADA
13F
Company
1%
179,909
$408,000 30 Sep 2025
13F
US BANCORP \DE\
13F
Company
0.94%
166,829
$378,702 30 Sep 2025
13F
AMH Equity Ltd
13F
Company
0.77%
137,000
$310,990 30 Sep 2025
13F
Robert W. Baird & Co. Inc
13D/G
1%
177,282
$278,333 -$1,160,051 31 Dec 2025
CITADEL ADVISORS LLC
13F
Company
0.29%
50,833
$115,391 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.18%
31,352
$71,169 30 Sep 2025
13F
TD Waterhouse Canada Inc.
13F
Company
0.1%
18,092
$40,306 30 Sep 2025
13F
UBS Group AG
13F
Company
0.09%
15,318
$34,772 30 Sep 2025
13F
Cambridge Investment Research Advisors, Inc.
13F
Company
0.07%
12,631
$29,000 30 Sep 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.06%
10,196
$23,145 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
0.02%
4,369
$9,918 30 Sep 2025
13F
VSM Wealth Advisory, LLC
13F
Company
0.01%
2,350
$5,335 30 Sep 2025
13F
Federation Des Caisses Desjardins du Quebec
13F
Individual
0.01%
2,151
$4,757 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.01%
1,558
$3,537 30 Sep 2025
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.01%
1,459
$3,365 30 Sep 2025
13F
Tower Research Capital LLC (TRC)
13F
Company
0.01%
1,185
$2,690 30 Sep 2025
13F
Allworth Financial LP
13F
Company
0.01%
1,025
$2,327 30 Sep 2025
13F
SWAN Capital LLC
13F
Company
0.01%
1,000
$2,270 30 Sep 2025
13F
SIMPLEX TRADING, LLC
13F
Company
0.01%
912
$2,000 30 Sep 2025
13F
CITIGROUP INC
13F
Company
0%
804
$1,849 30 Sep 2025
13F
OSAIC HOLDINGS, INC.
13F
Company
0%
358
$996 30 Sep 2025
13F
ORG Partners LLC
13F
Company
0%
400
$908 30 Sep 2025
13F
HighMark Wealth Management LLC
13F
Company
0%
350
$795 30 Sep 2025
13F
COUNTRY TRUST BANK
13F
Company
0%
220
$499 30 Sep 2025
13F
DEUTSCHE BANK AG\
13F
Company
0%
184
$418 30 Sep 2025
13F
GROUP ONE TRADING LLC
13F
Company
0%
146
$331 30 Sep 2025
13F
THOMPSON INVESTMENT MANAGEMENT, INC.
13F
Company
0%
125
$284 30 Sep 2025
13F
Gen-Wealth Partners Inc
13F
Company
0%
86
$195 30 Sep 2025
13F
Golden State Wealth Management, LLC
13F
Company
0%
54
$122 30 Sep 2025
13F
SBI Securities Co., Ltd.
13F
Company
0%
36
$82 30 Sep 2025
13F
MAI Capital Management
13F
Company
0%
33
$75 30 Sep 2025
13F
Rockefeller Capital Management L.P.
13F
Company
0%
30
$68 30 Sep 2025
13F
HARBOUR INVESTMENTS, INC.
13F
Company
0%
27
$61 30 Sep 2025
13F
CBIZ Investment Advisory Services, LLC
13F
Company
0%
25
$57 30 Sep 2025
13F
North Star Investment Management Corp.
13F
Company
0%
20
$45 30 Sep 2025
13F
DELTA ASSET MANAGEMENT LLC/TN
13F
Company
0%
15
$34 30 Sep 2025
13F
Avalon Trust Co
13F
Company
0%
13
$30 30 Sep 2025
13F
AllSquare Wealth Management LLC
13F
Company
0%
6
$14 30 Sep 2025
13F

Institutional Holders of WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT) as of Q4 2025

As of 31 Dec 2025, WESTPORT FUEL SYSTEMS INC. - Common Shares (WPRT) was held by 45 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 1,992,779 shares. The largest 10 holders included GRACE & WHITE INC /NY, ROYCE & ASSOCIATES LP, Baird Financial Group, Inc., US BANCORP \DE\, GOLDMAN SACHS GROUP INC, JANE STREET GROUP, LLC, CITADEL ADVISORS LLC, Bucket List Wealth Management, LLC, XTX Topco Ltd, and TD Waterhouse Canada Inc.. This page lists 45 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
39
Q4 2025 holders
45
Holder diff
6
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .