WPRT
Westport Fuel Systems Inc.
$2.10
-0.02 (-0.94%)
At close · Jul 2
Market Cap
$39.89M
Shares
17,375,213
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 42
Total Value: $4,026,216
Total Shares: 2,212,219
Institutional Ownership Trend
12 quarters
Holder Concentration
Across 42 13F filers · Δ vs Dec 31, 2025Top Holder
45.5%
−9.1 pts
Top 5
92.0%
+3.4 pts
Top 10
97.3%
+2.3 pts
HHI
2,771
Highly concentrated−517
Quarterly Activity
vs Dec 31, 2025
New
7
Increased
7
Decreased
9
Sold Out
12
Unchanged
19
Holder count:
-5
Institutional value:
+20.7%
Shares held:
+4.1%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid ROYCE & ASSOCIATES LP | +264,398 | 491,902 | |
| Mega CITADEL ADVISORS LLC | +55,019 | 205,205 | |
| Mega MORGAN STANLEY | +1,938 | 4,061 | |
| Large OSAIC HOLDINGS, INC. | +131 | 483 | |
| Mid Tower Research Capital LLC (TRC) | +100 | 3,685 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small GRACE & WHITE INC /NY | −153,379 | 1,006,708 | |
| Large Baird Financial Group, Inc. | −13,384 | 163,898 | |
| Mega JANE STREET GROUP, LLC | −7,950 | 30,593 | |
| Mega ROYAL BANK OF CANADA | −4,955 | 7,858 | |
| Mega GOLDMAN SACHS GROUP INC | −508 | 38,245 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 14,700 | $26,754 | |
| Large Centiva Capital, LP | 13,012 | $23,681 | |
| Mid GROUP ONE TRADING LLC | 897 | $1,632 | |
| Large JONES FINANCIAL COMPANIES LLLP | 710 | $1,292 | |
| Small Ascentis Wealth Management, LLC | 400 | $728 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Micro Bucket List Wealth Management, LLC | 22,200 | $34,854 | |
| Mid XTX Topco Ltd | 19,468 | $30,564 | |
| Large HRT FINANCIAL LP | 10,113 | $15,877 | |
| Large RENAISSANCE TECHNOLOGIES LLC | 10,023 | $15,736 | |
| Mid Arkadios Wealth Advisors | 10,000 | $15,700 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small GRACE & WHITE INC /NY | $1,832,208 | 45.51% | 1,006,708 | Shares | Sole | 2026-04-21 | ||||
| Mid ROYCE & ASSOCIATES LP | $895,261 | 22.24% | 491,902 | Shares | Sole | 2026-05-12 | ||||
| Large US BANCORP \DE\ Bank | $303,628 | 7.54% | 166,829 | Shares | Defined | 2026-05-15 | ||||
| Large Baird Financial Group, Inc. | $298,294 | 7.41% | 163,898 | Shares | Defined | 2026-05-14 | ||||
| Mega CITADEL ADVISORS LLC | $281,927 | 7.00% | 154,905 | Shares | Defined | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $91,546 | 2.27% | 50,300 | Put | Defined | 2026-05-15 | ||||
| Mega GOLDMAN SACHS GROUP INC | $69,605 | 1.73% | 38,245 | Shares | Defined | 2026-05-15 | ||||
| Large TD Waterhouse Canada Inc. | $32,967 | 0.82% | 18,114 | Shares | Defined | 2026-05-12 | ||||
| Mega UBS Group AG | $29,880 | 0.74% | 16,418 | Shares | Defined | 2026-05-05 | ||||
| Mega JANE STREET GROUP, LLC | $28,028 | 0.70% | 15,400 | Put | Defined | 2026-05-12 | ||||
| Mega JANE STREET GROUP, LLC | $27,650 | 0.69% | 15,193 | Shares | Defined | 2026-05-12 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $26,754 | 0.66% | 14,700 | Put | Other | 2026-05-15 | ||||
| Large Centiva Capital, LP | $23,681 | 0.59% | 13,012 | Shares | Sole | 2026-05-14 | ||||
| Large Cambridge Investment Research Advisors, Inc. | $21,441 | 0.53% | 11,781 | Shares | Sole | 2026-04-30 | ||||
| Mega LPL Financial LLC | $18,247 | 0.45% | 10,026 | Shares | Sole | 2026-05-06 | ||||
| Mega ROYAL BANK OF CANADA Bank | $14,301 | 0.36% | 7,858 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $7,390 | 0.18% | 4,061 | Shares | Defined | 2026-05-15 | ||||
| Mid Tower Research Capital LLC (TRC) | $6,706 | 0.17% | 3,685 | Shares | Defined | 2026-05-15 | ||||
| Large Federation des caisses Desjardins du Quebec | $3,044 | 0.08% | 1,673 | Shares | Defined | 2026-05-14 | ||||
| Mega WELLS FARGO & COMPANY/MN | $2,621 | 0.07% | 1,441 | Shares | Defined | 2026-05-11 | ||||
| Mid Allworth Financial LP | $1,865 | 0.05% | 1,025 | Shares | Sole | 2026-05-15 | ||||
| Micro SWAN Capital LLC | $1,820 | 0.05% | 1,000 | Shares | Sole | 2026-05-14 | ||||
| Mid GROUP ONE TRADING LLC | $1,632 | 0.04% | 897 | Shares | Sole | 2026-05-13 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $1,292 | 0.03% | 710 | Shares | Sole | 2026-05-15 | ||||
| Large OSAIC HOLDINGS, INC. | $879 | 0.02% | 483 | Shares | Defined | 2026-05-15 | ||||
| Small Ascentis Wealth Management, LLC | $728 | 0.02% | 400 | Shares | Sole | 2026-04-28 | ||||
| Micro HighMark Wealth Management LLC | $637 | 0.02% | 350 | Shares | Sole | 2026-05-06 | ||||
| Mid COUNTRY TRUST BANK Bank | $400 | 0.01% | 220 | Shares | Defined | 2026-04-10 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $334 | 0.01% | 184 | Shares | Sole | 2026-05-06 | ||||
| Large FIFTH THIRD BANCORP Bank | $309 | 0.01% | 170 | Shares | Defined | 2026-05-01 | ||||
| Small THOMPSON INVESTMENT MANAGEMENT, INC. | $227 | 0.01% | 125 | Shares | Sole | 2026-04-08 | ||||
| Large NATIONAL BANK OF CANADA /FI/ Bank | $225 | 0.01% | 124 | Shares | Defined | 2026-05-15 | ||||
| Small Gen-Wealth Partners Inc | $156 | 0.00% | 86 | Shares | Sole | 2026-05-08 | ||||
| Large Rockefeller Capital Management L.P. | $154 | 0.00% | 85 | Shares | Defined | 2026-05-14 | ||||
| Small CBIZ Investment Advisory Services, LLC | $81 | 0.00% | 45 | Shares | Sole | 2026-05-12 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $63 | 0.00% | 35 | Shares | Defined | 2026-04-28 | ||||
| Mid MAI Capital Management | $60 | 0.00% | 33 | Shares | Sole | 2026-05-15 | ||||
| Small Golden State Wealth Management, LLC | $54 | 0.00% | 30 | Shares | Sole | 2026-04-28 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $49 | 0.00% | 27 | Shares | Sole | 2026-05-15 | ||||
| Mid DELTA ASSET MANAGEMENT LLC/TN | $27 | 0.00% | 15 | Shares | Sole | 2026-05-11 | ||||
| Mid Avalon Trust Co Bank | $23 | 0.00% | 13 | Shares | Sole | 2026-05-06 | ||||
| Large CWM, LLC | $20 | 0.00% | 11 | Shares | Sole | 2026-05-14 | ||||
| Small TSFG, LLC | $1 | 0.00% | 1 | Shares | Sole | 2026-04-27 | ||||
| Small CALDWELL SUTTER CAPITAL, INC. | $1 | 0.00% | 1 | Shares | Sole | 2026-05-06 | ||||
| No holders match your search. | ||||||||||
Key facts
CIK
1370416
CUSIP
960908507
13F (30d)
1 filings
1 filers