Capstone Capital Management Ltd

Position in PSIX — Power Solutions International, Inc.

CIK 2069260 HONG KONG, K3

Position in PSIX

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$1,039,063

New position

Shares Held

26,718

first reported quarter

Ownership

0.116%

of shares outstanding

% of Portfolio

0.55%

of 13F equity value

Holder Rank

#1

of 26 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Capstone Capital Management Ltd holds $2,547,772 across 4 Specialty Industrial Machinery names. PSIX ranks #1 (40.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PSIX	Power Solutions International, Inc. This page	26,718	$1,039,063
2	ROK	Rockwell Automation, Inc	1,339	$662,912
3	SERV	Serve Robotics Inc. /DE/	65,076	$428,200
4	ETN	Eaton Corp plc	980	$417,597

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,039,063	26,718	—	Shares	Sole	2026-07-20
No filing history on record for this holder in this stock.