13F Insight
DOSSIER · 13F Holders · Q2 2026
WPRT

WESTPORT FUEL SYSTEMS INC

49 institutions still hold WESTPORT FUEL SYSTEMS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 960908507·49 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$9M
visible holders
Holders
49
filers reporting
Concentration
35.06%
HEIGHTS CAPITAL MANAGEMENT, INC #1
top holder share
AI Holders Summary · Q2 2026

49 institutions reported WPRT in Q2 2026. HEIGHTS CAPITAL MANAGEMENT, INC leads at 35.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$3M1.3M0.69%Q2 202602
ROYCE & ASSOCIATES LP
CIK 0000906304
$3M1.1M0.02%Q2 202603
GRACE & WHITE INC /NY
CIK 0000903064
$2M714K0.26%Q2 202604
Baird Financial Group, Inc.
CIK 0001648711
$316K140K0.00%Q2 202605
AMH Equity Ltd
CIK 0001600535
$311K137K0.39%Q3 202506
CITADEL ADVISORS LLC
CIK 0001423053
$236K150K0.00%Q4 202507
US BANCORP \DE\
CIK 0000036104
$165K73K0.00%Q2 202608
GOLDMAN SACHS GROUP INC
CIK 0000886982
$72K32K0.00%Q2 202609
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$56K31K0.00%Q1 202610
UBS Group AG
CIK 0001610520
$44K19K0.00%Q2 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$41K18K0.00%Q2 202612
TD Waterhouse Canada Inc.
CIK 0001999606
$38K18K0.00%Q2 202613
LPL Financial LLC
CIK 0001403438
$25K11K0.00%Q2 202614
Cambridge Investment Research Advisors, Inc.
CIK 0001419186
$21K12K0.00%Q1 202615
HRT FINANCIAL LP
CIK 0001475597
$15K10K0.00%Q4 202516
ROYAL BANK OF CANADA
CIK 0001000275
$13K6K0.00%Q2 202617
MORGAN STANLEY
CIK 0000895421
$9K4K0.00%Q2 202618
Tower Research Capital LLC (TRC)
CIK 0001533421
$6K3K0.00%Q2 202619
GROUP ONE TRADING LLC
CIK 0000932540
$5K2K0.00%Q2 202620
WELLS FARGO & COMPANY/MN
CIK 0000072971
$4K2K0.00%Q2 2026
Page 1 of 3
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