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PINNBROOK CAPITAL MANAGEMENT LP

Position in WDC — Western Digital Corp

CIK 1856103 NEW YORK, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$12,314,521
+$8,744,053 QoQ
Shares Held
19,280
+46.1% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
2.05%
of 13F equity value
Holder Rank
#418
of 1,836 holders
Holding Since
Mar 2024
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 Mar 31, 2026
CallValue
$40,465,304
CallShares
149,600
PutValue
$0
PutShares
0

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

PINNBROOK CAPITAL MANAGEMENT LP holds $30,740,050 across 4 Computer Hardware names. WDC ranks #2 (40.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WDC
Western Digital Corp
This page
19,280 $12,314,521

All Filings in WDC

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,314,521 19,280
2026-03-31 $40,465,304 149,600
2026-03-31 $3,570,468 13,200
2025-12-31 $6,546,260 38,000
2025-12-31 $7,118,713 41,323
2025-09-30 $8,319,317 69,293
2024-06-30 $3,924,510 51,795
2024-03-31 $25,589,978 375,000