Who owns WESTPORT FUEL SYSTEMS INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of WPRT from SEC Form 13F filings across 45 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 45 institutions disclosed 3.6M shares of WESTPORT FUEL SYSTEMS INC. worth $8.2M — about 20.9% of shares outstanding; the largest disclosed holder is HEIGHTS CAPITAL MANAGEMENT, INC. Source: SEC Form 13F filings, parsed by EvidInvest.
45
13F holders
$8.2M
value, 2026 filers
20.9%
of shares outstanding (3.6M sh)
9
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of WPRT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | HEIGHTS CAPITAL MANAGEMENT, INCNEW | 1.3M | $3.0M | 0.7% | 7.6% | new |
| 2 | ROYCE & ASSOCIATES LP | 1.1M | $2.6M | 0.0% | 6.5% | +130.0% |
| 3 | GRACE & WHITE INC /NY | 714,106 | $1.6M | 0.3% | 4.1% | -29.1% |
| 4 | Baird Financial Group, Inc. | 140,024 | $316,454 | 0.0% | 0.8% | -14.6% |
| 5 | CITADEL ADVISORS LLC | 89,959 | $203,307 | 0.0% | 0.5% | -41.9% |
| 6 | US BANCORP \DE\ | 73,108 | $165,224 | 0.0% | 0.4% | -56.2% |
| 7 | GOLDMAN SACHS GROUP INC | 31,647 | $71,522 | 0.0% | 0.2% | -17.3% |
| 8 | UBS Group AG | 19,316 | $43,654 | 0.0% | 0.1% | +17.7% |
| 9 | TD Waterhouse Canada Inc. | 18,114 | $38,274 | 0.0% | 0.1% | 0.0% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 18,017 | $40,718 | 0.0% | 0.1% | new |
| 11 | JANE STREET GROUP, LLC | 13,933 | $31,488 | 0.0% | 0.1% | -8.3% |
| 12 | HRT FINANCIAL LPNEW | 13,318 | $30 | 0.0% | 0.1% | new |
| 13 | Cambridge Investment Research Advisors, Inc. | 11,731 | $27 | 0.0% | 0.1% | -0.4% |
| 14 | LPL Financial LLC | 11,280 | $25,493 | 0.0% | 0.1% | +12.5% |
| 15 | ROYAL BANK OF CANADA | 5,978 | $13,000 | 0.0% | 0% | -23.9% |
| 16 | MORGAN STANLEY | 3,773 | $8,527 | 0.0% | 0% | -7.1% |
| 17 | Tower Research Capital LLC (TRC) | 2,585 | $5,842 | 0.0% | 0% | -29.9% |
| 18 | GROUP ONE TRADING LLC | 1,997 | $4,513 | 0.0% | 0% | +122.6% |
| 19 | WELLS FARGO & COMPANY/MN | 1,736 | $3,874 | 0.0% | 0% | +20.5% |
| 20 | SIMPLEX TRADING, LLCNEW | 1,604 | $3,625 | 0.0% | 0% | new |
| 21 | Allworth Financial LP | 1,025 | $2,317 | 0.0% | 0% | 0.0% |
| 22 | SWAN Capital LLC | 1,000 | $2,260 | 0.0% | 0% | 0.0% |
| 23 | JONES FINANCIAL COMPANIES LLLP | 710 | $1,754 | 0.0% | 0% | 0.0% |
| 24 | OSAIC HOLDINGS, INC. | 583 | $1,316 | 0.0% | 0% | +20.7% |
| 25 | Ascentis Wealth Management, LLC | 400 | $904 | 0.0% | 0% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.