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PEAK6 LLC

Position in WDC — Western Digital Corp

CIK 1389958 AUSTIN, TX

Position in WDC

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$10,428,381
-$2,586,515 QoQ
Shares Held
16,327
-66.1% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
#446
of 1,836 holders
Holding Since
Dec 2024
7 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
$101,492,608
CallShares
158,900
PutValue
$126,594,304
PutShares
198,200

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

PEAK6 LLC holds $49,772,073 across 12 Computer Hardware names. WDC ranks #3 (21.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WDC
Western Digital Corp
This page
16,327 $10,428,381

All Filings in WDC

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,428,381 16,327
2026-06-30 $101,492,608 158,900
2026-06-30 $126,594,304 198,200
2026-03-31 $25,615,403 94,700
2026-03-31 $13,014,896 48,116
2026-03-31 $41,466,117 153,300
2025-12-31 $42,499,009 246,700
2025-12-31 $32,145,582 186,600
2025-09-30 $157,338,630 1,310,500
2025-09-30 $133,254,594 1,109,900
2025-06-30 $35,060,121 547,900
2025-06-30 $73,454,121 1,147,900
2025-03-31 $11,785,345 291,500
2025-03-31 $6,044,285 149,500
2025-03-31 $629,737 15,576
2024-12-31 $11,753,071 197,100
2024-12-31 $160,822 2,697
2024-12-31 $16,976,658 284,700