Security key
960908507
WESTPORT FUEL SYSTEMS INC. - Common Stock (WPRT)
CUSIP: 960908507
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 1,992,779
- Total 13F value
- $3,128,194
- Share change
- -128,040
- Put/Call ratio
- 24%
- SEC-reported price per share
- $1.57
- Number of holders
- 45
- Value change
- -$211,154
- Number of buys
- 16
- Number of sells
- 12
- Shares outstanding
- 22,229,450
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
45
Top holders
10
WPRT full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
WESTPORT FUEL SYSTEMS INC. SEC filings
WESTPORT FUEL SYSTEMS INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 960908507
Recent filing periods:
Ownership snapshot
Top reported holders of WPRT - WESTPORT FUEL SYSTEMS INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Kevin Douglas
Disclosed value leader
Kevin Douglas
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G
13F
Lead comparable stake: 10%
13D/G row: Kevin Douglas
Showing 1-6 of 15 holder rows.
Quick read
Kevin Douglas leads the comparable SEC ownership view at 10%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Kevin Douglas's linked filing trail.
Comparable ownership
Top 5
Kevin Douglas
10%
GRACE & WHITE INC /NY
6.7%
Alex Scott Cushner
6.7%
Robert W. Baird & Co. Inc
1%
Baird Financial Group, Inc.
2.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Kevin Douglas |
13D/G
|
10%
|
$5,213,897
1,816,689 shares
|
$0 | 30 Apr 2025 |
| GRACE & WHITE INC /NY |
13F
13D/G
Company · GRACE & WHITE, INC.
|
6.7%
from 13D/G
|
$2,372,831
1,045,300 shares
|
— | 30 Sep 2025 |
| Alex Scott Cushner |
13D/G
Alex Cushner
|
6.7%
|
$3,284,732
1,144,506 shares
|
$0 | 31 Dec 2024 |
| Robert W. Baird & Co. Inc |
13D/G
|
1%
|
$278,333
177,282 shares
|
-$1,160,051 | 31 Dec 2025 |
| Baird Financial Group, Inc. |
13F
Company
|
2.5%
|
$1,246,398
549,074 shares
|
— | 30 Sep 2025 |
| ROYAL BANK OF CANADA |
13F
Company
|
0.81%
|
$408,000
179,909 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
45
Shares
1,992,779
Rows available
45
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
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 change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend