WESTPORT FUEL SYSTEMS INC (WPRT) Institutional Shareholders
WESTPORT FUEL SYSTEMS INC (WPRT) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $8.15M in WPRT holdings during the latest filing period.
Heights Capital Management, Inc is currently the largest disclosed institutional shareholder of WPRT tracked by InsiderSet, reporting ownership valued at approximately $2.99M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $2.33M, representing an estimated loss of -22.12% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 99% of the total disclosed WPRT value among the investors covered in this analysis. Major shareholders include Heights Capital Management, Inc, Royce & Associates Lp, Grace & White Inc, and several other long-term asset managers with concentrated positions in WESTPORT FUEL SYSTEMS INC (WPRT).
This page ranks the largest institutional WPRT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
43
Total Reported Value
$8.15M
Largest Holder
Heights Capital Management, Inc
Largest Position
$2.99M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Heights Capital Management, Inc | 0.69% | 1,325,121 | $2,994,773 | $2,332,213 | -$662,560 | -22.12% | |
| Royce & Associates Lp | 0.02% | 1,131,479 | $2,557,143 | $1,991,403 | -$565,740 | -22.12% | |
| Grace & White Inc | 0.26% | 714,106 | $1,613,880 | $1,256,827 | -$357,053 | -22.12% | |
| Baird Financial Group, Inc. | 0.00% | 140,024 | $316,454 | $246,442 | -$70,012 | -22.12% | |
| Citadel Advisors Llc | 0.00% | 89,959 | $203,307 | $158,328 | -$44,979 | -22.12% | |
| Us Bancorp \De\ | 0.00% | 73,108 | $165,224 | $128,670 | -$36,554 | -22.12% | |
| Goldman Sachs Group Inc | 0.00% | 31,647 | $71,522 | $55,699 | -$15,823 | -22.12% | |
| Ubs Group Ag | 0.00% | 19,316 | $43,654 | $33,996 | -$9,658 | -22.12% | |
| Susquehanna International Group, Llp | 0.00% | 18,017 | $40,718 | $31,710 | -$9,008 | -22.12% | |
| Td Waterhouse Canada Inc. | 0.00% | 18,114 | $38,274 | $31,881 | -$6,393 | -16.70% | |
| Jane Street Group, Llc | 0.00% | 13,933 | $31,488 | $24,522 | -$6,966 | -22.12% | |
| Lpl Financial Llc | 0.00% | 11,280 | $25,493 | $19,853 | -$5,640 | -22.12% | |
| Royal Bank Of Canada | 0.00% | 5,978 | $13,000 | $10,521 | -$2,479 | -19.07% | |
| Morgan Stanley | 0.00% | 3,773 | $8,527 | $6,640 | -$1,887 | -22.12% | |
| Tower Research Capital Llc (Trc) | 0.00% | 2,585 | $5,842 | $4,550 | -$1,292 | -22.12% | |
| Group One Trading Llc | 0.00% | 1,997 | $4,513 | $3,515 | -$998 | -22.12% | |
| Wells Fargo & Company/Mn | 0.00% | 1,736 | $3,874 | $3,055 | -$819 | -21.13% | |
| Simplex Trading, Llc | 0.00% | 1,604 | $3,625 | $2,823 | -$802 | -22.12% | |
| Allworth Financial Lp | 0.00% | 1,025 | $2,317 | $1,804 | -$513 | -22.14% | |
| Swan Capital Llc | 0.00% | 1,000 | $2,260 | $1,760 | -$500 | -22.12% | |
| Jones Financial Companies Lllp | 0.00% | 710 | $1,754 | $1,250 | -$504 | -28.76% | |
| Osaic Holdings, Inc. | 0.00% | 583 | $1,316 | $1,026 | -$290 | -22.03% | |
| Highmark Wealth Management Llc | 0.00% | 350 | $791 | $616 | -$175 | -22.12% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 348 | $748 | $612 | -$136 | -18.12% | |
| Mercer Global Advisors Inc | 0.00% | 312 | $705 | $549 | -$156 | -22.11% | |
| Country Trust Bank | 0.00% | 220 | $497 | $387 | -$110 | -22.09% | |
| Deutsche Bank Ag\ | 0.00% | 184 | $416 | $324 | -$92 | -22.15% | |
| Gen-Wealth Partners Inc | 0.00% | 86 | $194 | $151 | -$43 | -21.98% | |
| Thompson Investment Management, Inc. | 0.00% | 60 | $136 | $106 | -$30 | -22.35% | |
| Cbiz Investment Advisory Services, Llc | 0.00% | 45 | $82 | $79 | -$3 | -3.41% | |
| Sbi Securities Co., Ltd. | 0.00% | 35 | $79 | $62 | -$17 | -22.03% | |
| Golden State Wealth Management, Llc | 0.00% | 30 | $68 | $53 | -$15 | -22.35% | |
| Rockefeller Capital Management L.P. | 0.00% | 30 | $68 | $53 | -$15 | -22.35% | |
| Harbour Investments, Inc. | 0.00% | 27 | $61 | $48 | -$13 | -22.10% | |
| Delta Asset Management Llc/Tn | 0.00% | 15 | $34 | $26 | -$8 | -22.35% | |
| Robinswood Financial Llc | 0.00% | 7 | $32 | $12 | -$20 | -61.50% | |
| Avalon Trust Co | 0.00% | 13 | $30 | $23 | -$7 | -23.73% | |
| Hrt Financial Lp | 0.00% | 13,318 | $30 | $23,440 | +$23,410 | +78032.27% | |
| Cambridge Investment Research Advisors, Inc. | 0.00% | 11,731 | $27 | $20,647 | +$20,620 | +76368.74% | |
| Brown Brothers Harriman & Co | 0.00% | 10 | $23 | $18 | -$5 | -23.48% | |
| Cwm, Llc | 0.00% | 11 | $20 | $19 | -$1 | -3.20% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 2 | $5 | $4 | -$1 | -29.60% | |
| Caldwell Sutter Capital, Inc. | 0.00% | 1 | $2 | $2 | -$0 | -12.00% |
Frequently asked questions about WPRT
Who owns the most WPRT stock?
The largest holders of WPRT are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for WESTPORT FUEL SYSTEMS INC (WPRT).
Is WPRT widely held by superinvestors?
Many widely followed stocks like WPRT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly WPRT is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.