Westport Fuel Systems
WPRT
42 hedge funds and large institutions have $5.07M invested in Westport Fuel Systems in 2025 Q3 according to their latest regulatory filings, with 4 funds opening new positions, 9 increasing their positions, 8 reducing their positions, and 7 closing their positions.
13% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 8
0.05% more ownership
Funds ownership: 12.83% → 12.88% (+0.05%)
7% less funds holding
Funds holding: 45 → 42 (-3)
27% less capital invested
Capital invested by funds: $6.98M → $5.07M (-$1.91M)
43% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 7
93% less call options, than puts
Call options by funds: $3K | Put options by funds: $40K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$107K |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$83.7K |
| 3 |
FDCDDQ
Federation des caisses Desjardins du Quebec
Levis,
Quebec, Canada
|
+$5.39K |
| 4 |
Goldman Sachs
New York
|
+$4.95K |
| 5 |
GWI
Grace & White Inc
Ny,
New York
|
+$4.08K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Baird Financial Group
Milwaukee,
Wisconsin
|
-$70.6K |
| 2 |
AE
AMH Equity
Great Neck,
New York
|
-$57.8K |
| 3 |
BIA
Bell Investment Advisors
Oakland,
California
|
-$9.48K |
| 4 |
BlackRock
New York
|
-$6.48K |
| 5 |
PA
Parallel Advisors
San Francisco,
California
|
-$6.48K |
WPRT Hedge Fund Activity: Q3 2025 in Review
42 of the 7,641 institutional investors tracked by Wall St. Rank reported a position in Westport Fuel Systems (WPRT) for Q3 2025, worth a combined $5.07M — down 27% from $6.98M a quarter earlier.
Sellers outnumbered buyers: 7 funds closed out of WPRT and 4 opened new positions — a net loss of 3 holders — while 8 trimmed existing stakes and 9 added.
The largest buyer was Citadel Advisors, adding an estimated $107K. The largest seller was Baird Financial Group, cutting an estimated $70.6K.
- 42 institutional investors held Westport Fuel Systems (WPRT) as of Q3 2025, down from 45 in Q2 2025.
- Funds reported $5.07M of Westport Fuel Systems stock for Q3 2025, down 27% quarter-over-quarter.
- 4 funds opened new Westport Fuel Systems positions in Q3 2025 and 7 closed out, a net change of -3 holders.
- The largest Westport Fuel Systems buyer in Q3 2025 was Citadel Advisors, an estimated $107K added.
- The largest Westport Fuel Systems seller in Q3 2025 was Baird Financial Group, an estimated $70.6K sold.
Based on aggregated 13F filings for Q3 2025.