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MILLENNIUM MANAGEMENT LLC

Position in WDC — Western Digital Corp

CIK 1273087 NEW YORK, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$224,805,168
+$149,702,809 QoQ
Shares Held
351,962
+26.8% QoQ
Ownership
0.098%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#94
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
$199,025,152
CallShares
311,600
PutValue
$209,436,288
PutShares
327,900

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

MILLENNIUM MANAGEMENT LLC holds $2,261,131,041 across 24 Computer Hardware names. WDC ranks #3 (9.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WDC
Western Digital Corp
This page
351,962 $224,805,168

All Filings in WDC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $199,025,152 311,600
2026-06-30 $224,805,168 351,962
2026-06-30 $209,436,288 327,900
2026-03-31 $80,335,530 297,000
2026-03-31 $75,102,359 277,653
2026-03-31 $43,116,106 159,400
2025-12-31 $27,614,881 160,300
2025-12-31 $54,644,905 317,205
2025-12-31 $51,198,644 297,200
2025-09-30 $147,892,909 1,231,825
2025-09-30 $35,381,682 294,700
2025-09-30 $9,928,962 82,700
2025-06-30 $23,953,760 374,336
2025-06-30 $22,185,333 346,700
2025-06-30 $7,294,860 114,000
2025-03-31 $15,169,336 375,200
2025-03-31 $3,458,786 85,550
2025-03-31 $13,540,007 334,900
2024-12-31 $36,547,221 612,900
2024-12-31 $67,504,847 1,132,062
2024-12-31 $11,431,069 191,700
2024-09-30 $19,298,740 282,600
2024-09-30 $10,981,024 160,800
2024-09-30 $179,020,471 2,621,476
2024-06-30 $29,868,558 394,200
2024-06-30 $8,213,474 108,400
2024-06-30 $379,707,497 5,011,313
2024-03-31 $12,221,773 179,100
2024-03-31 $41,332,933 605,700
2024-03-31 $325,654,997 4,772,205
2023-12-31 $60,309,325 1,151,600
2023-12-31 $549,022,297 10,483,521
2023-12-31 $26,551,604 507,000
2023-09-30 $27,095,097 593,800
2023-09-30 $299,624,821 6,566,399
2023-09-30 $52,588,581 1,152,500
2023-06-30 $250,677,294 6,608,943
2023-06-30 $34,531,483 910,400
2023-06-30 $39,086,878 1,030,500
2023-03-31 $32,893,482 873,200
2023-03-31 $84,640,820 2,246,900
2023-03-31 $305,143,927 8,100,440
2022-12-31 $46,372,157 1,469,800
2022-12-31 $73,577,703 2,332,100
2022-12-31 $98,051,904 3,107,828
2022-09-30 $56,636,081 1,739,970
2022-09-30 $28,032,088 861,200
2022-09-30 $85,674,943 2,632,100
2022-06-30 $122,094,470 2,723,500
2022-06-30 $111,205,580 2,480,607