Belvedere Trading LLC

Position in WDC — Western Digital Corp

CIK 1632341 CHICAGO, IL

Back to WDC Full portfolio

Position in WDC

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$956,802

+$783,418 QoQ

Shares Held

1,498

+133.7% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

#1,014

of 1,846 holders

Holding Since

Mar 2025

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in WDC Over Time

Shares Held

Position Value (USD)

Derivatives in WDC

reported options exposure · as of Jun 30, 2026

CallValue

$2,746,496

CallShares

4,300

PutValue

$319,360

PutShares

500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Computer Hardware

Technology · as of Jun 30, 2026

Belvedere Trading LLC holds $130,696,247 across 3 Computer Hardware names. WDC ranks #3 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SNDK	Sandisk Corp	54,196	$123,227,071
2	SMCI	Super Micro Computer, Inc.	222,038	$6,512,374
3	WDC	Western Digital Corp This page	1,498	$956,802

All Filings in WDC

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17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,746,496	4,300	-10.4%	Call	Sole	2026-07-31
2026-06-30	$319,360	500	-16.7%	Put	Sole	2026-07-31
2026-06-30	$956,802	1,498	+133.7%	Shares	Sole	2026-07-31
2026-03-31	$162,294	600	-99.3%	Put	Sole	2026-05-12
2026-03-31	$1,298,352	4,800	-83.6%	Call	Sole	2026-05-12
2026-03-31	$173,384	641	-99.2%	Shares	Sole	2026-05-12
2025-12-31	$14,075,148	81,704	+1211.0%	Shares	Sole	2026-02-10
2025-12-31	$5,047,511	29,300	+2.8%	Call	Sole	2026-02-10
2025-12-31	$14,729,085	85,500	+221.4%	Put	Sole	2026-02-10
2025-09-30	$748,213	6,232	—	Shares	Sole	2025-10-27
2025-09-30	$3,193,596	26,600	+27.3%	Put	Sole	2025-10-27
2025-09-30	$3,421,710	28,500	+111.1%	Call	Sole	2025-10-27
2025-06-30	$863,865	13,500	-89.3%	Call	Sole	2025-08-01
2025-06-30	$1,337,391	20,900	+808.7%	Put	Sole	2025-08-01
2025-03-31	$0	0	—	Shares	Sole	2025-05-09
2025-03-31	$92,989	2,300	—	Put	Sole	2025-05-09
2025-03-31	$5,114,395	126,500	—	Call	Sole	2025-05-09
No filing history on record for this holder in this stock.