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JANE STREET GROUP, LLC

Position in WDC — Western Digital Corp

CIK 1595888 NEW YORK, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$672,090,563
+$662,757,037 QoQ
Shares Held
1,052,246
+2949.5% QoQ
Ownership
0.292%
of shares outstanding
% of Portfolio
0.47%
of 13F equity value
Holder Rank
#41
of 1,846 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
$1,376,824,832
CallShares
2,155,600
PutValue
$6,112,614,272
PutShares
9,570,100

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

JANE STREET GROUP, LLC holds $7,324,503,910 across 23 Computer Hardware names. WDC ranks #5 (9.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 WDC
Western Digital Corp
This page
1,052,246 $672,090,563

All Filings in WDC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,112,614,272 9,570,100
2026-06-30 $1,376,824,832 2,155,600
2026-06-30 $672,090,563 1,052,246
2026-03-31 $1,841,874,606 6,809,400
2026-03-31 $369,191,801 1,364,900
2026-03-31 $9,333,526 34,506
2025-12-31 $984,195,737 5,713,100
2025-12-31 $255,114,643 1,480,900
2025-12-31 $6,444,103 37,407
2025-09-30 $287,147,502 2,391,700
2025-09-30 $109,607,095 912,936
2025-09-30 $174,243,078 1,451,300
2025-06-30 $1,949,455 30,465
2025-06-30 $72,692,640 1,136,000
2025-06-30 $74,094,021 1,157,900
2025-03-31 $44,667,064 1,104,800
2025-03-31 $123,206,382 3,047,400
2025-03-31 $29,160,218 721,252
2024-12-31 $30,324,175 508,539
2024-12-31 $51,973,500 871,600
2024-12-31 $163,672,400 2,744,800
2024-09-30 $198,027,204 2,899,800
2024-09-30 $9,631,341 141,036
2024-09-30 $31,119,731 455,700
2024-06-30 $66,797,597 881,583
2024-03-31 $27,093,371 397,031
2023-12-31 $40,338,171 770,253
2023-09-30 $45,413,764 995,261
2023-06-30 $18,704,085 493,121
2023-03-31 $24,065,620 638,853
2022-12-31 $11,681,157 370,243
2022-09-30 $10,643,958 327,003
2022-06-30 $14,608,075 325,855
2022-03-31 $51,635,938 1,040,000
2022-03-31 $12,681,438 255,417
2022-03-31 $37,753,815 760,400
2021-12-31 $11,396,360 174,764
2021-12-31 $54,952,474 842,700
2021-12-31 $65,862,108 1,010,000
2021-09-30 $57,224,489 1,013,900
2021-09-30 $29,963,359 530,889
2021-09-30 $78,903,083 1,398,000
2021-06-30 $80,144,527 1,126,100
2021-06-30 $45,698,251 642,100
2021-06-30 $12,590,184 176,903
2021-03-31 $10,006,756 149,914
2021-03-31 $24,357,067 364,900
2021-03-31 $68,805,879 1,030,800
2020-12-31 $47,297,556 853,900
2020-12-31 $36,352,483 656,300