Westport Fuel Systems Inc
$1.80-1.1%
+$3.3M
Net Activity
+66.24% total shares
Institutions Holding
46
Popularity Rank
#6389
Avg Weight
0.02%
Total Value
$8.3M
Market Cap
$31.2M
46 institutions currently hold WPRT, with 14 net buyers and 19 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Decreased
Based on recent trading activity
Net Selling Institutions
19
Net Buying Institutions
14
Top 5 by Value
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Across its top 20 institutional holders, WPRT's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 38/100).
WPRT ranks #6389 out of 37696 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
WPRT is a disclosed holding of Ken Griffin (Citadel Advisors LLC), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
46 institutions disclose a position in WPRT, but none treat it as a major bet — even Heights Capital Management, Inc, its most concentrated holder, allocates just 0.7% of its own portfolio to it.
Thompson Investment Management, Inc. has trimmed its WPRT position for two straight quarters, cutting it by $109.0 while still holding $118.0.
WPRT is down 1.1% today, but institutions show net buying of $3.3M this quarter — a divergence between today's price move and the underlying institutional flow.
WPRT reported a net loss of $69.3M over the trailing twelve months.
+$4.5M
Total Buy Value
$1.4M
Total Sell Value
14
Net Buyers
19
Net Sellers
WPRT
Q2 2026
Top 5 Institutional Movers
+$3.0M
+$1.7M
-$218.3K
-$138.4K
-$103.3K
WPRT does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
960908507, 960908309
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,134
Total reported value
$712.8B
Held by 4134 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,112
Total reported value
$390.3B
Held by 4112 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,086
Total reported value
$377.7B
Held by 4086 institutions — one of the most-tracked stocks on AlphaSMO
Access WPRT's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/WPRTCLI
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