Westport Fuel Systems WPRT Institutional Ownership

NASDAQ WPRT

$2.22 -0.02 (-0.89%)

At close: Oct 23, 2026 · 4:00 PM EDT

Institutions by Trading Activity

46 Institutions

Increased 16 34.8%

Unchanged 17 37.0%

Reduced 13 28.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

20.96%

▲+8.66 pp QoQ

Shares Held by Institutions

3.63Mn

of 17.34Mn outstanding

▲+70.48% QoQ

Shares Outstanding

17.34Mn

13.71Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+1.50Mn

accumulated since last quarter

Value of Holdings

$8.07Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 24, 2026

Westport Fuel Systems Inc. (NASDAQ:WPRT) had 46 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Collectively, these holders controlled 20.96% of Westport Fuel Systems' outstanding shares in Q2 2026, up from 12.29% in Q1 2026.
Total holdings of Westport Fuel Systems shares rose 70.48% from Q1 2026, and the number of holders rose 6.98% from Q2 2025.
Of the 46 holders, 16 added to their positions, 13 reduced their stakes and 17 left their positions unchanged in Q2 2026.
Institutional investors held 3.63Mn shares of Westport Fuel Systems in total at the end of Q2 2026, up 1.5Mn from the prior quarter and up 1.43Mn from a year earlier.
As of June 30, 2026, the biggest holder of Westport Fuel Systems was Heights Capital Management, Inc with 1.33Mn shares, or 7.64% of shares outstanding.
The largest position increases in WPRT for Q2 2026 were by Royce & Associates LP (+639.58K shares), UBS Group AG (+2.9K shares), LPL Financial LLC (+1.25K shares), Group One Trading LLC (+1.1K shares) and Wells Fargo & Company (+295 shares).
Holders that trimmed the most shares of Westport Fuel Systems in Q2 2026 while keeping a position were Grace & White Inc (-292.6K shares), Us Bancorp (-93.72K shares), Citadel Advisors LLC (-64.95K shares), Baird Financial Group, Inc. (-23.87K shares) and Goldman Sachs Group Inc (-6.6K shares).
Westport Fuel Systems' 10 largest institutional shareholders as of Q2 2026 were Heights Capital Management, Inc (1.33Mn shares), Royce & Associates LP (1.13Mn shares), Grace & White Inc (714.11K shares), Baird Financial Group, Inc. (140.02K shares), Citadel Advisors LLC (89.96K shares), Us Bancorp (73.11K shares), Goldman Sachs Group Inc (31.65K shares), UBS Group AG (19.32K shares), TD Waterhouse Canada Inc. (18.11K shares) and Susquehanna International Group, LLP (18.02K shares), per Business Quant data.

Form 13F Holdings

46 Institutional Holders

Report period 30 Jun, 2026

Total shares held 3.63Mn

Of outstanding 20.96%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	HEIGHTS CAPITAL MANAGEMENT, INC	0001081698	1,325,121	7.64%	▲1,325,121	0.00%	$2.99Mn
2	ROYCE & ASSOCIATES LP	0000906304	1,131,479	6.52%	▲639,577	+130.02%	$2.56Mn
3	GRACE & WHITE INC /NY	0000903064	714,106	4.12%	▼292,602	-29.07%	$1.61Mn
4	Baird Financial Group, Inc.	0001648711	140,024	0.81%	▼23,874	-14.57%	$316.45K
5	CITADEL ADVISORS LLC	0001423053	89,959	0.52%	▼64,946	-41.93%	$203.31K
6	Us Bancorp \De\	0000036104	73,108	0.42%	▼93,721	-56.18%	$165.22K
7	Goldman Sachs Group Inc	0000886982	31,647	0.18%	▼6,598	-17.25%	$71.52K
8	UBS Group AG	0001610520	19,316	0.11%	▲2,898	+17.65%	$43.65K
9	TD Waterhouse Canada Inc.	0001999606	18,114	0.10%	0	0.00%	$38.27K
10	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	18,017	0.10%	▲18,017	0.00%	$40.72K
11	JANE STREET GROUP, LLC	0001595888	13,933	0.08%	▼1,260	-8.29%	$31.49K
12	HRT FINANCIAL LP	0001475597	13,318	0.08%	▲13,318	0.00%	$30
13	Cambridge Investment Research Advisors, Inc.	0001419186	11,731	0.07%	▼50	-0.42%	$27
14	LPL Financial LLC	0001403438	11,280	0.07%	▲1,254	+12.51%	$25.49K
15	Royal Bank Of Canada	0001000275	5,978	0.03%	▼1,880	-23.92%	$13.00K
16	Morgan Stanley	0000895421	3,773	0.02%	▼288	-7.09%	$8.53K
17	Tower Research Capital LLC (TRC)	0001533421	2,585	0.01%	▼1,100	-29.85%	$5.84K
18	GROUP ONE TRADING LLC	0000932540	1,997	0.01%	▲1,100	+122.63%	$4.51K
19	Wells Fargo & Company/Mn	0000072971	1,736	0.01%	▲295	+20.47%	$3.87K
20	SIMPLEX TRADING, LLC	0001488542	1,604	0.01%	▲1,604	0.00%	$3.63K

Showing 1 to 20 of 46 holders