WPRT — WESTPORT FUEL SYSTEMS INC
As of Q2 2026, 7 SEC-registered investment managers reported holding WPRT (WESTPORT FUEL SYSTEMS INC) in their latest 13F filings, with a combined reported value of $2.96M across 1.31M shares. That is +72.6% by share count (+550.24K shares) versus the previous quarter, while reported value moved +114.4%. Ownership is concentrated: the five largest holders account for 99.9% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 3 added to existing stakes, 3 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
WPRT is classified in the Industrials sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 7 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Royce & Associates history | 1.13M | $2.56M | 0.02% | Add |
| Citadel Advisors history | 119.56K | $270.20K | 0.00% | Reduce |
| Goldman Sachs Group history | 31.65K | $71.52K | 0.00% | Reduce |
| UBS Group AG history | 19.32K | $43.65K | 0.00% | Add |
| Morgan Stanley history | 3.77K | $8.53K | 0.00% | Reduce |
| Wells Fargo & Co history | 1.74K | $3.87K | 0.00% | Add |
| Deutsche Bank AG history | 184 | $416 | 0.00% | Hold |
Q1 2026 — 7 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Royce & Associates history | 491.90K | $895.26K | 0.01% | Add |
| Citadel Advisors history | 205.21K | $373.47K | 0.00% | Add |
| Goldman Sachs Group history | 38.24K | $69.61K | 0.00% | Reduce |
| UBS Group AG history | 16.42K | $29.88K | 0.00% | Reduce |
| Morgan Stanley history | 4.06K | $7.39K | 0.00% | Add |
| Wells Fargo & Co history | 1.44K | $2.58K | 0.00% | Reduce |
| Deutsche Bank AG history | 184 | $335 | 0.00% | Hold |
Q4 2025 — 10 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Royce & Associates history | 227.50K | $357.18K | 0.00% | New |
| Citadel Advisors history | 150.19K | $235.79K | 0.00% | Add |
| Goldman Sachs Group history | 38.75K | $60.84K | 0.00% | Add |
| UBS Group AG history | 16.52K | $25.93K | 0.00% | Add |
| Renaissance Technologies history | 10.02K | $15.74K | 0.00% | New |
| Citigroup Inc history | 2.55K | $4.04K | 0.00% | Add |
| Morgan Stanley history | 2.12K | $3.33K | 0.00% | Reduce |
| Bank of America Corp history | 1.56K | $2.45K | 0.00% | Hold |
| Wells Fargo & Co history | 1.46K | $2.31K | 0.00% | Hold |
| Deutsche Bank AG history | 184 | $289 | 0.00% | Hold |
Q3 2025 — 8 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 68.13K | $154.66K | 0.00% | Add |
| Goldman Sachs Group history | 31.35K | $71.17K | 0.00% | Add |
| UBS Group AG history | 15.32K | $34.77K | 0.00% | Hold |
| Morgan Stanley history | 4.37K | $9.92K | 0.00% | Reduce |
| Bank of America Corp history | 1.56K | $3.54K | 0.00% | Hold |
| Wells Fargo & Co history | 1.46K | $3.37K | 0.00% | Hold |
| Citigroup Inc history | 804 | $1.85K | 0.00% | New |
| Deutsche Bank AG history | 184 | $418 | 0.00% | Hold |
Q2 2025 — 9 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 42.68K | $132.73K | 0.00% | Add |
| Goldman Sachs Group history | 29.75K | $93.40K | 0.00% | Reduce |
| UBS Group AG history | 15.35K | $48.18K | 0.00% | Hold |
| Morgan Stanley history | 6.01K | $18.88K | 0.00% | Add |
| BlackRock Inc history | 2.06K | $6.48K | 0.00% | New |
| PNC Financial Services history | 2.00K | $6.28K | 0.00% | Hold |
| Bank of America Corp history | 1.56K | $4.89K | 0.00% | Reduce |
| Wells Fargo & Co history | 1.46K | $4.48K | 0.00% | Hold |
| Deutsche Bank AG history | 184 | $578 | 0.00% | Hold |
Q1 2025 — 10 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Citadel Advisors history | 35.25K | $130.76K | 0.00% | Reduce |
| Goldman Sachs Group history | 30.21K | $112.08K | 0.00% | Reduce |
| UBS Group AG history | 15.34K | $56.92K | 0.00% | Reduce |
| Renaissance Technologies history | 11.02K | $40.90K | 0.00% | Reduce |
| Morgan Stanley history | 5.23K | $19.40K | 0.00% | Reduce |
| Bank of America Corp history | 2.46K | $9.12K | 0.00% | Add |
| PNC Financial Services history | 2.00K | $7.42K | 0.00% | Hold |
| Wells Fargo & Co history | 1.46K | $5.50K | 0.00% | Hold |
| Deutsche Bank AG history | 184 | $683 | 0.00% | New |
| JPMorgan Chase & Co history | 1 | $4 | 0.00% | Hold |
New Positions (Q2 2026)
No fund opened a new position this quarter.
Fully Exited (vs previous quarter)
No tracked fund fully exited this quarter.
Fund Position History — shares by quarter (top 15 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Royce & Associates | 1.13M | 491.90K | 227.50K | — | — | — | — | 11.60K | 11.60K | 11.60K | 11.60K | 11.60K | 11.60K |
| Citadel Advisors | 119.56K | 205.21K | 150.19K | 68.13K | 42.68K | 35.25K | 81.61K | 54.82K | 23.25K | 17.11K | 50.96K | 19.37K | 29.77K |
| Goldman Sachs Group | 31.65K | 38.24K | 38.75K | 31.35K | 29.75K | 30.21K | 34.24K | 29.70K | 29.70K | 16.70K | 23.65K | 28.84K | 27.14K |
| UBS Group AG | 19.32K | 16.42K | 16.52K | 15.32K | 15.35K | 15.34K | 18.58K | 2.92K | 211 | 1.21K | 158 | 331 | 74.33K |
| Morgan Stanley | 3.77K | 4.06K | 2.12K | 4.37K | 6.01K | 5.23K | 5.87K | 5.40K | 5.42K | 7.61K | 8.71K | 8.10K | 8.51K |
| Wells Fargo & Co | 1.74K | 1.44K | 1.46K | 1.46K | 1.46K | 1.46K | 1.46K | 2.66K | 2.56K | 2.66K | 2.76K | 3.30K | 3.30K |
| Deutsche Bank AG | 184 | 184 | 184 | 184 | 184 | 184 | — | — | — | — | — | 184 | 184 |
| Renaissance Technologies | — | — | 10.02K | — | — | 11.02K | 15.02K | 14.18K | 11.98K | — | — | — | — |
| Bank of America Corp | — | — | 1.56K | 1.56K | 1.56K | 2.46K | 2.36K | 2.31K | 2.41K | 3.07K | 2.75K | 2.31K | 2.31K |
| Citigroup Inc | — | — | 2.55K | 804 | — | — | 13.42K | — | — | — | — | — | — |
| BlackRock Inc | — | — | — | — | 2.06K | — | — | 724 | — | — | — | — | — |
| JPMorgan Chase & Co | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
| Two Sigma Investments | — | — | — | — | — | — | — | — | — | — | — | — | 13.87K |
| Millennium Management | — | — | — | — | — | — | 41.67K | — | — | — | — | — | 15.44K |
| PNC Financial Services | — | — | — | — | 2.00K | 2.00K | 2.00K | 2.00K | 2.00K | 2.00K | 2.00K | 2.00K | 2.00K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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