Security key
960908507
WESTPORT FUEL SYSTEMS INC. - Common Stock (WPRT)
CUSIP: 960908507
Q2 2023 13F Holders as of 30 Jun 2023
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 1,303,461
- Total 13F value
- $9,998,885
- Share change
- +1,303,301
- Put/Call ratio
- 124%
- SEC-reported price per share
- $7.67
- Number of holders
- 50
- Value change
- +$9,997,658
- Number of buys
- 49
- Shares outstanding
- 22,229,450
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2023
Institutions
50
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
AWM Investment Company, Inc.
Disclosed value leader
AWM Investment Company, Inc.
Comparable rows
0/15
Latest evidence
31 Mar 2023
13F
Highest disclosed value: $4,364,400
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
AWM Investment Company, Inc. has the largest disclosed position value at $4.36M.
0 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 AWM Investment Company, Inc.'s linked filing trail.
Disclosed position value
Top 5
AWM Investment Company, Inc.
$4.36M
Baird Financial Group, Inc.
$3.34M
AMH Equity Ltd
$3.14M
GRACE & WHITE INC /NY
$3.07M
S&T BANK/PA
$1.1M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. |
13F
Company
|
—
class O/S missing
|
$4,364,400
4,582,047 shares
|
— | 31 Mar 2023 |
| Baird Financial Group, Inc. |
13F
Company
|
—
class O/S missing
|
$3,336,119
3,502,487 shares
|
— | 31 Mar 2023 |
| AMH Equity Ltd |
13F
Company
|
—
class O/S missing
|
$3,143,250
3,300,000 shares
|
— | 31 Mar 2023 |
| GRACE & WHITE INC /NY |
13F
Company
|
—
class O/S missing
|
$3,073,529
3,226,802 shares
|
— | 31 Mar 2023 |
| S&T BANK/PA |
13F
Company
|
—
class O/S missing
|
$1,105,000
1,160,460 shares
|
— | 31 Mar 2023 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$707,466
742,357 shares
|
— | 31 Mar 2023 |
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 Q2 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
50
Shares
1,303,461
Rows available
50
| 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 Q2 2023 vs Q1 2023 Across Filers
Q1 2023 holders
0
Q2 2023 holders
50
Holder diff
50
| Investor | Q1 2023 Shares | Q2 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q2 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend