Westport Fuel Systems WPRT Institutional Ownership

NASDAQ WPRT

$1.94 -0.02 (-1.02%)

As of: Oct 1, 2026 · 3:58 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

▲+71.57% 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)

+1.52Mn

accumulated since last quarter

Value of Holdings

$7.12Mn

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

Quarter ending 30 Jun, 2026

Westport Fuel Systems Inc. (NASDAQ:WPRT) has 46 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 21.0% of outstanding shares in June 2026, up from 12.3% in March 2026.
They increased total shares held in WPRT by 71.57% quarter over quarter, and investors in Westport Fuel Systems increased 4.55% from a year ago.
Of these 46 funds, 16 grew their exposure to Westport Fuel Systems, 13 cut back, and 17 maintained positions.
Institutional investors collectively held 3.63Mn shares in Westport Fuel Systems as of June 2026, up by 1.52Mn shares quarter on quarter, and up 1.43Mn shares year over year.
HEIGHTS CAPITAL MANAGEMENT, INC holds the largest position in WPRT at 1.33Mn shares as of June 30, 2026, or 7.64% of shares outstanding.
The biggest buyers of Westport Fuel Systems for the quarter ending June 2026 included HEIGHTS CAPITAL MANAGEMENT, INC (1.33Mn), ROYCE & ASSOCIATES LP (639.58K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (18.02K), HRT FINANCIAL LP (13.32K), UBS Group AG (2.9K).
The largest sales of WPRT for the quarter ending June 2026 came from GRACE & WHITE INC /NY (292.6K), Us Bancorp De (93.72K), CITADEL ADVISORS LLC (64.95K), Baird Financial Group, Inc. (23.87K), Goldman Sachs Group Inc (6.6K).
Business Quant data shows the 10 biggest positions in Westport Fuel Systems as of June 2026 are held by HEIGHTS CAPITAL MANAGEMENT, INC (1.33Mn), ROYCE & ASSOCIATES LP (1.13Mn), GRACE & WHITE INC /NY (714.11K), Baird Financial Group, Inc. (140.02K), CITADEL ADVISORS LLC (89.96K), Us Bancorp De (73.11K), Goldman Sachs Group Inc (31.65K), UBS Group AG (19.32K), TD Waterhouse Canada Inc. (18.11K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (18.02K).

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