WESTPORT FUEL SYSTEMS INC (WPRT) Institutional Ownership Changes & 13F Activity
WESTPORT FUEL SYSTEMS INC (WPRT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Heights Capital Management, Inc, Royce & Associates Lp, Grace & White Inc, Us Bancorp \De\, and Citadel Advisors Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Security National Bank Of Sioux City Iowa | Buy | +124 | — | 124 | $280.00 | Q2 2026 | Sep 18, 2026 |
| Citadel Advisors Llc | Sell | -64,946 | -41.9% | 89,959 | $203.31K | Q2 2026 | Sep 02, 2026 |
| Heights Capital Management, Inc | Buy | +1,325,121 | — | 1,325,121 | $2.99M | Q2 2026 | Aug 14, 2026 |
| Royce & Associates Lp | Buy | +639,577 | +130.0% | 1,131,479 | $2.56M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +18,017 | — | 18,017 | $40.72K | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Buy | +13,318 | — | 13,318 | $30.00K | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -6,598 | -17.3% | 31,647 | $71.52K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Sell | -1,880 | -23.9% | 5,978 | $13.00K | Q2 2026 | Aug 14, 2026 |
| Federation Des Caisses Desjardins Du Quebec | Sell | -1,325 | -79.2% | 348 | $748.00 | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -1,260 | -8.3% | 13,933 | $31.49K | Q2 2026 | Aug 14, 2026 |
| Group One Trading Llc | Buy | +1,100 | +122.6% | 1,997 | $4.51K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +295 | +20.5% | 1,736 | $3.87K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Buy | +100 | +20.7% | 583 | $1.32K | Q2 2026 | Aug 14, 2026 |
| Ubs Group Ag | Buy | +2,898 | +17.7% | 19,316 | $43.65K | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Sell | -288 | -7.1% | 3,773 | $8.53K | Q2 2026 | Aug 13, 2026 |
| Rockefeller Capital Management L.P. | Sell | -55 | -64.7% | 30 | $68.00 | Q2 2026 | Aug 13, 2026 |
| Us Bancorp \De\ | Sell | -93,721 | -56.2% | 73,108 | $165.22K | Q2 2026 | Aug 12, 2026 |
| Baird Financial Group, Inc. | Sell | -23,874 | -14.6% | 140,024 | $316.45K | Q2 2026 | Aug 12, 2026 |
| Simplex Trading, Llc | Buy | +1,604 | — | 1,604 | $3.63K | Q2 2026 | Aug 12, 2026 |
| Brown Brothers Harriman & Co | Buy | +10 | — | 10 | $23.00 | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -1,100 | -29.9% | 2,585 | $5.84K | Q2 2026 | Aug 11, 2026 |
| Lpl Financial Llc | Buy | +1,254 | +12.5% | 11,280 | $25.49K | Q2 2026 | Aug 07, 2026 |
| Caitong International Asset Management Co., Ltd | Buy | +2 | — | 2 | $5.00 | Q2 2026 | Aug 05, 2026 |
| Cambridge Investment Research Advisors, Inc. | Sell | -50 | -0.4% | 11,731 | $27.00 | Q2 2026 | Jul 30, 2026 |
| Grace & White Inc | Sell | -292,602 | -29.1% | 714,106 | $1.61M | Q2 2026 | Jul 17, 2026 |
| Thompson Investment Management, Inc. | Sell | -65 | -52.0% | 60 | $136.00 | Q2 2026 | Jul 13, 2026 |
| National Bank Of Canada | Sell | -124 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Mai Capital Management | Sell | -33 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Centiva Capital, Lp | Sell | -13,012 | -100.0% | 0 | $0.00 | Q2 2026 | May 14, 2026 |
| Cwm, Llc | Sell | -11 | -100.0% | 0 | $0.00 | Q2 2026 | May 14, 2026 |
Frequently asked questions about WPRT activity
Which institutional owners are buying WPRT?
Institutional owners buying WPRT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in WPRT activity?
"Buy" means an investor increased their reported position in WPRT compared to the prior reporting period. This reflects growing exposure to WESTPORT FUEL SYSTEMS INC (WPRT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in WPRT increasing?
Institutional interest in WPRT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related WPRT Institutional Insights
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- WPRT Insider Trading & SEC Form 4 Activity
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