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TWO SIGMA SECURITIES, LLC

Broker-Dealer

Position in WDC — Western Digital Corp

CIK 1450144 NEW YORK, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,689,414
+$897,961 QoQ
Shares Held
2,645
-9.6% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#846
of 1,836 holders
Holding Since
Mar 2020
22 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 Sep 30, 2024
CallValue
$11,329,303
CallShares
219,486
PutValue
$11,622,949
PutShares
225,175

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

TWO SIGMA SECURITIES, LLC holds $8,017,017 across 10 Computer Hardware names. WDC ranks #3 (21.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WDC
Western Digital Corp
This page
2,645 $1,689,414

All Filings in WDC

Export CSV
49 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,689,414 2,645
2026-03-31 $791,453 2,926
2025-12-31 $532,142 3,089
2024-12-31 $263,564 4,420
2024-09-30 $11,329,303 165,900
2024-09-30 $11,622,949 170,200
2024-09-30 $837,234 12,260
2024-06-30 $12,539,945 165,500
2024-06-30 $13,600,726 179,500
2024-06-30 $5,471,659 72,214
2024-03-31 $3,065,406 44,921
2024-03-31 $4,592,548 67,300
2024-03-31 $4,114,868 60,300
2023-12-31 $994,873 18,997
2023-12-31 $811,735 15,500
2023-12-31 $1,403,516 26,800
2023-09-30 $1,058,616 23,200
2023-09-30 $2,377,323 52,100
2023-06-30 $1,866,156 49,200
2023-06-30 $2,382,004 62,800
2023-03-31 $1,032,159 27,400
2023-03-31 $2,060,551 54,700
2023-03-31 $858,990 22,803
2022-12-31 $769,819 24,400
2022-12-31 $363,234 11,513
2022-12-31 $1,148,419 36,400
2022-09-30 $703,080 21,600
2022-09-30 $642,667 19,744
2022-09-30 $1,396,396 42,900
2022-06-30 $1,081,568 24,126
2022-06-30 $385,537 8,600
2022-06-30 $1,049,021 23,400
2022-03-31 $730,201 14,707
2022-03-31 $908,593 18,300
2022-03-31 $973,138 19,600
2021-12-31 $431,298 6,614
2021-09-30 $2,895,370 51,300
2021-09-30 $886,107 15,700
2021-09-30 $1,207,702 21,398
2021-06-30 $654,763 9,200
2021-06-30 $512,423 7,200
2021-06-30 $277,278 3,896
2020-12-31 $341,036 6,157
2020-12-31 $875,162 15,800
2020-12-31 $1,224,119 22,100
2020-09-30 $241,229 6,600
2020-09-30 $365,499 10,000
2020-06-30 $242,824 5,500
2020-03-31 $208,099 5,000