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CITADEL ADVISORS LLC

Position in WDC — Western Digital Corp

CIK 1423053 MIAMI, FL

Position in WDC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$420,199,835
+$348,285,201 QoQ
Shares Held
657,878
+147.4% QoQ
Ownership
0.182%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#66
of 1,836 holders
Holding Since
Mar 2020
26 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
$1,484,193,664
CallShares
2,323,700
PutValue
$3,690,332,544
PutShares
5,777,700

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

CITADEL ADVISORS LLC holds $2,216,353,617 across 26 Computer Hardware names. WDC ranks #3 (19.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WDC
Western Digital Corp
This page
657,878 $420,199,835

All Filings in WDC

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50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,690,332,544 5,777,700
2026-06-30 $1,484,193,664 2,323,700
2026-06-30 $420,199,835 657,878
2026-03-31 $962,457,518 3,558,200
2026-03-31 $547,444,711 2,023,900
2026-03-31 $71,914,634 265,868
2025-12-31 $612,816,071 3,557,300
2025-12-31 $227,356,088 1,319,766
2025-12-31 $909,378,876 5,278,800
2025-09-30 $447,536,376 3,727,606
2025-09-30 $494,887,320 4,122,000
2025-09-30 $644,253,966 5,366,100
2025-06-30 $122,611,239 1,916,100
2025-06-30 $223,561,863 3,493,700
2025-06-30 $224,963,435 3,515,603
2025-03-31 $157,552,960 3,896,932
2025-03-31 $222,029,431 5,491,700
2025-03-31 $72,790,172 1,800,400
2024-12-31 $172,225,785 2,888,241
2024-12-31 $273,481,028 4,586,300
2024-12-31 $116,469,298 1,953,200
2024-09-30 $130,529,415 1,911,400
2024-09-30 $108,407,567 1,587,460
2024-09-30 $243,644,892 3,567,800
2024-06-30 $202,578,837 2,673,600
2024-06-30 $179,491,700 2,368,900
2024-06-30 $359,019,997 4,738,283
2024-03-31 $395,263,424 5,792,259
2024-03-31 $84,747,184 1,241,900
2024-03-31 $195,261,772 2,861,400
2023-12-31 $77,334,821 1,476,700
2023-12-31 $76,926,335 1,468,900
2023-12-31 $361,319,315 6,899,353
2023-09-30 $34,802,004 762,700
2023-09-30 $19,807,984 434,100
2023-09-30 $240,650,092 5,273,944
2023-06-30 $17,170,916 452,700
2023-06-30 $23,755,566 626,300
2023-06-30 $59,074,060 1,557,449
2023-03-31 $43,237,676 1,147,800
2023-03-31 $31,051,153 824,293
2023-03-31 $29,265,856 776,900
2022-12-31 $61,630,609 1,953,428
2022-12-31 $33,483,990 1,061,300
2022-12-31 $33,247,366 1,053,800
2022-09-30 $26,394,821 810,900
2022-09-30 $51,891,263 1,594,200
2022-09-30 $37,890,126 1,164,058
2022-06-30 $101,064,723 2,254,400
2022-06-30 $24,530,340 547,186