Security Snapshot

WESTPORT FUEL SYSTEMS INC. - Common Shares, no par value (WPRT) Institutional Ownership

CUSIP: 960908507

13F Institutional Holders and Ownership History from Q1 2016 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

40

Shares (Excl. Options)

2,131,718

Price

$1.82

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Security type / class
Equity / Common Shares, no par value
Symbol
WPRT on Nasdaq
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
2,131,718
Latest holder snapshot 5 signals
Total 13F value
$3,878,499
Portfolio coverage rank
0%
Share change
+139,489
Value change
+$275,413
Number of holders
40
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
19,502,141
SEC-reported price per share
$1.97
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • WPRT - WESTPORT FUEL SYSTEMS INC. - Common Shares, no par value is tracked under CUSIP 960908507.
  • 40 institutions reported positions in Q1 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 45 to 40 between Q4 2025 and Q1 2026.
  • SEC-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

Latest holder context comes from 40 institutions filings for Q1 2026.

Open SEC evidence

Security key

960908507

Latest holder period

Q1 2026

13F holders

40

13D/G owners

5

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

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
WPRT
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
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, no par value (WPRT). This represents 11% of the company’s total 19,502,141 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
11%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
GRACE & WHITE INC /NY 5.2% 1,006,708 -13% 0.32% $1,832,209
ROYCE & ASSOCIATES LP 2.5% 491,902 +116% 0.01% $895,262
US BANCORP \DE\ 0.86% 166,829 0% 0% $303,629
Baird Financial Group, Inc. 0.84% 163,898 -7.5% 0% $298,294
CITADEL ADVISORS LLC 0.79% 154,905 +450% 0% $281,927
GOLDMAN SACHS GROUP INC 0.2% 38,245 -1.3% 0% $69,606
TD Waterhouse Canada Inc. 0.09% 18,114 +0.12% 0% $32,451
UBS Group AG 0.08% 16,418 -0.59% 0% $29,880
JANE STREET GROUP, LLC 0.08% 15,193 -47% 0% $27,651
Centiva Capital, LP 0.07% 13,012 0% $23,682
Cambridge Investment Research Advisors, Inc. 0.06% 11,781 -2.9% 0% $21,000
LPL Financial LLC 0.05% 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% 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

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
16
Latest
Q1 2026
Rows shown
1-16 of 16
Period 13F 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 $1.97 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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