Westport Fuel Systems Inc. (WPRT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

17,351,005Shares Outstanding

2,009,474Shares held by institutions

$3,757,716Value of institutional holdings

11.58%Institutional ownership %

-3.74%Shares Changed QoQ

46No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Westport Fuel Systems Inc. (NASDAQ:WPRT) appears in 46 institutional 13F filings for the quarter ending December 2025.

Their combined ownership stood at 11.4% of outstanding shares in December 2025, down from 12.9% in September 2025.
Their total shares held in WPRT decreased -5.6% from the prior quarter, while the number of investors in Westport Fuel Systems decreased 9.8% year over year.
Activity in WPRT broke down as 17 buyers, 11 sellers, and 18 unchanged among 46 total holders.
Combined, these investors held 1.97Mn shares in WPRT for December 2025, down by 116.82K shares quarter on quarter, and down 721.9K shares year over year.
GRACE & WHITE INC /NY leads ownership in WPRT with 1.16Mn shares as of December 31, 2025, equal to 6.69% of outstanding shares.
Top purchasers of WPRT stock for the quarter ending December 2025 included ROYCE & ASSOCIATES LP (227.5K), GRACE & WHITE INC /NY (114.79K), Goldman Sachs Group Inc (46.15K), JANE STREET GROUP, LLC (28.54K), XTX Topco Ltd (19.47K).
The biggest sellers of Westport Fuel Systems for the quarter ending December 2025 included Baird Financial Group, Inc. (371.79K), Royal Bank Of Canada (167.2K), CITADEL ADVISORS LLC (22.65K), Morgan Stanley (2.25K), Bank Of America Corp /De/ (1.56K).
Per Business Quant, the top 10 investors in WPRT for the quarter ending December 2025 include GRACE & WHITE INC /NY (1.16Mn), ROYCE & ASSOCIATES LP (227.5K), Baird Financial Group, Inc. (177.28K), Us Bancorp \De\ (166.83K), Goldman Sachs Group Inc (77.51K), JANE STREET GROUP, LLC (28.54K), CITADEL ADVISORS LLC (28.19K), XTX Topco Ltd (19.47K), TD Waterhouse Canada Inc. (18.09K), UBS Group AG (16.52K).

46 Institutional Holders

2,009,474 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
GRACE & WHITE INC /NY	31 Dec, 2025	1,160,087	114,787	10.98%	$1,821,337.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	227,504	227,504	0.00%	$357,181.00
Baird Financial Group, Inc.	31 Dec, 2025	177,282	-371,792	-67.71%	$278,333.00
Us Bancorp \De\	31 Dec, 2025	166,829	0	0.00%	$261,922.00
Goldman Sachs Group Inc	31 Dec, 2025	77,506	46,154	147.21%	$121,684.00
JANE STREET GROUP, LLC	31 Dec, 2025	28,543	28,543	0.00%	$44,812.00
CITADEL ADVISORS LLC	31 Dec, 2025	28,186	-22,647	-44.55%	$44,252.00
XTX Topco Ltd	31 Dec, 2025	19,468	19,468	0.00%	$30,565.00
TD Waterhouse Canada Inc.	31 Dec, 2025	18,092	0	0.00%	$28,604.00
UBS Group AG	31 Dec, 2025	16,515	1,197	7.81%	$25,928.00
Royal Bank Of Canada	31 Dec, 2025	12,813	-167,196	-92.88%	$20,000.00
Cambridge Investment Research Advisors, Inc.	31 Dec, 2025	12,131	-500	-3.96%	$19.00
HRT FINANCIAL LP	31 Dec, 2025	10,113	10,113	0.00%	$15.00
LPL Financial LLC	31 Dec, 2025	10,073	10,073	0.00%	$15,815.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	10,023	10,023	0.00%	$15,736.00
Arkadios Wealth Advisors	31 Dec, 2025	10,000	10,000	0.00%	$15,700.00
SIMPLEX TRADING, LLC	31 Dec, 2025	6,705	5,793	635.20%	$10,526.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	3,585	2,400	202.53%	$5,628.00
Citigroup Inc	31 Dec, 2025	2,554	1,750	217.66%	$4,043.00
Morgan Stanley	31 Dec, 2025	2,123	-2,246	-51.41%	$3,333.00

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