Capstone Capital Management Ltd

Position in WDC — Western Digital Corp

CIK 2069260 HONG KONG, K3

Position in WDC

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

Position Value

$3,876,391

New position

Shares Held

6,069

first reported quarter

Ownership

0.002%

of shares outstanding

% of Portfolio

2.07%

of 13F equity value

Holder Rank

#650

of 1,836 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Capstone Capital Management Ltd holds $5,778,290 across 4 Computer Hardware names. WDC ranks #1 (67.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WDC	Western Digital Corp This page	6,069	$3,876,391
2	ANET	Arista Networks, Inc.	4,864	$826,296
3	SMCI	Super Micro Computer, Inc.	28,067	$823,205
4	QBTS	D-Wave Quantum Inc.	10,521	$252,398

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,876,391	6,069	—	Shares	Sole	2026-07-20
No filing history on record for this holder in this stock.