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JANE STREET GROUP, LLC

Position in WDC — Western Digital Corp

CIK 1595888 NEW YORK, NY

Position in WDC

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$9,333,526
+$2,889,423 QoQ
Shares Held
34,506
-7.8% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WDC Over Time

Shares Held

Position Value (USD)

Derivatives in WDC

reported options exposure · as of Mar 31, 2026
CallValue
$369,191,801
CallShares
1,364,900
PutValue
$1,841,874,606
PutShares
6,809,400

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 Mar 31, 2026

JANE STREET GROUP, LLC holds $2,368,362,179 across 24 Computer Hardware names. WDC ranks #8 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 WDC
Western Digital Corp
This page
34,506 $9,333,526

All Filings in WDC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
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 $29,160,218 721,252
2025-03-31 $123,206,382 3,047,400
2025-03-31 $44,667,064 1,104,800
2024-12-31 $22,920,767 508,539
2024-12-31 $39,284,580 871,600
2024-12-31 $123,713,076 2,744,800
2024-09-30 $149,680,426 2,899,800
2024-09-30 $7,279,925 141,036
2024-09-30 $23,522,094 455,700
2024-06-30 $50,489,491 881,583
2024-03-31 $20,478,738 397,031
2023-12-31 $30,489,924 770,253
2023-09-30 $34,326,351 995,261
2023-06-30 $14,137,630 493,121
2023-03-31 $18,190,189 638,853
2022-12-31 $8,829,295 370,243
2022-09-30 $8,045,319 327,003
2022-06-30 $11,041,629 325,855
2022-03-31 $39,029,432 1,040,000
2022-03-31 $9,585,365 255,417
2022-03-31 $28,536,519 760,400
2021-12-31 $8,614,028 174,764
2021-12-31 $41,536,261 842,700
2021-12-31 $49,782,395 1,010,000
2021-09-30 $43,253,582 1,013,900
2021-09-30 $22,648,042 530,889
2021-09-30 $59,639,518 1,398,000
2021-06-30 $60,577,873 1,126,100
2021-06-30 $34,541,384 642,100
2021-06-30 $9,516,390 176,903
2021-03-31 $7,563,685 149,914
2021-03-31 $18,410,482 364,900
2021-03-31 $52,007,467 1,030,800
2020-12-31 $35,750,231 853,900
2020-12-31 $27,477,312 656,300
2020-12-31 $23,591,508 563,487
2020-09-30 $28,190,182 1,020,400
2020-09-30 $28,751,002 1,040,700