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Walleye Trading LLC

Position in WDC — Western Digital Corp

CIK 1388391 NEW YORK, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$0
-$55,852,398 QoQ
Shares Held
0
-100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
26 quarters on record

Common Shares in WDC Over Time

Shares Held

Position Value (USD)

Derivatives in WDC

reported options exposure · as of Jun 30, 2026
CallValue
$256,829,312
CallShares
402,100
PutValue
$507,207,552
PutShares
794,100

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

Walleye Trading LLC holds $16,100,518 across 7 Computer Hardware names.

# Ticker Company Shares Value (USD) Open

All Filings in WDC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $256,829,312 402,100
2026-06-30 $507,207,552 794,100
2026-03-31 $236,949,240 876,000
2026-03-31 $55,852,398 206,486
2026-03-31 $219,475,586 811,400
2025-12-31 $15,764,083 91,508
2025-12-31 $243,141,878 1,411,400
2025-12-31 $282,436,665 1,639,500
2025-09-30 $163,833,876 1,364,600
2025-09-30 $180,582,246 1,504,100
2025-09-30 $5,557,817 46,292
2025-06-30 $4,543,162 70,998
2025-06-30 $84,837,942 1,325,800
2025-06-30 $76,180,095 1,190,500
2025-03-31 $66,863,134 1,653,800
2025-03-31 $49,029,461 1,212,700
2025-03-31 $22,596,771 558,911
2024-12-31 $74,137,968 1,243,300
2024-12-31 $58,681,874 984,100
2024-12-31 $24,795,581 415,824
2024-09-30 $20,310,387 297,414
2024-09-30 $71,731,766 1,050,400
2024-09-30 $80,151,917 1,173,700
2024-06-30 $109,396,815 1,443,800
2024-06-30 $95,773,358 1,264,000
2024-03-31 $62,930,875 922,200
2024-03-31 $66,929,736 980,800
2023-12-31 $44,441,206 848,600
2023-12-31 $18,324,273 349,900
2023-12-31 $5,083,035 97,060
2023-09-30 $21,897,839 479,900
2023-09-30 $20,419,427 447,500
2023-06-30 $4,794,922 126,415
2023-06-30 $11,489,000 302,900
2023-06-30 $11,507,965 303,400
2023-03-31 $12,785,212 339,400
2023-03-31 $14,294,237 379,459
2023-03-31 $26,158,078 694,400
2022-12-31 $7,251,762 229,850
2022-12-31 $18,942,606 600,400
2022-12-31 $11,869,101 376,200
2022-09-30 $7,615,926 233,976
2022-09-30 $22,495,328 691,100
2022-09-30 $8,283,983 254,500
2022-06-30 $35,944,683 801,800
2022-06-30 $13,215,880 294,800
2022-06-30 $15,991,215 356,708
2022-03-31 $45,807,035 922,600
2022-03-31 $7,015,536 141,300
2022-03-31 $16,811,321 338,597