Position in WDC
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$55,852,398
+$40,088,315 QoQ
Shares Held
206,486
+125.6% QoQ
Ownership
0.060%
of shares outstanding
% of Portfolio
1.27%
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, 2026CallValue
$236,949,240
CallShares
876,000
PutValue
$219,475,586
PutShares
811,400
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, 2026Walleye Trading LLC holds $79,190,838 across 11 Computer Hardware names. WDC ranks #1 (70.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WDC |
Western Digital Corp
This page
|
206,486 | $55,852,398 | |
| 2 | SMCI |
Super Micro Computer, Inc.
|
726,240 | $16,536,484 | |
| 3 | STX |
Seagate Technology Holdings plc
|
7,973 | $3,123,502 | |
| 4 | IONQ |
IonQ, Inc.
|
52,290 | $1,507,520 | |
| 5 | QUBT |
Quantum Computing Inc.
|
178,992 | $1,226,095 | |
| 6 | SNDK |
Sandisk Corp
|
849 | $539,403 | |
| 7 | DELL |
Dell Technologies Inc.
|
1,300 | $213,369 | |
| 8 | SSYS |
Stratasys Ltd.
|
11,137 | $86,979 |
All Filings in WDC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $236,949,240 | 876,000 | Call | Sole | 2026-05-11 | |
| 2026-03-31 | $55,852,398 | 206,486 | Shares | Sole | 2026-05-11 | |
| 2026-03-31 | $219,475,586 | 811,400 | Put | Sole | 2026-05-11 | |
| 2025-12-31 | $15,764,083 | 91,508 | Shares | Sole | 2026-02-13 | |
| 2025-12-31 | $243,141,878 | 1,411,400 | Call | Sole | 2026-02-13 | |
| 2025-12-31 | $282,436,665 | 1,639,500 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $163,833,876 | 1,364,600 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $180,582,246 | 1,504,100 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $5,557,817 | 46,292 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,543,162 | 70,998 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $84,837,942 | 1,325,800 | Call | Sole | 2025-08-13 | |
| 2025-06-30 | $76,180,095 | 1,190,500 | Put | Sole | 2025-08-13 | |
| 2025-03-31 | $66,863,134 | 1,653,800 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $49,029,461 | 1,212,700 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $22,596,771 | 558,911 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $56,037,768 | 1,243,300 | Call | Sole | 2025-02-13 | |
| 2024-12-31 | $44,355,158 | 984,100 | Put | Sole | 2025-02-13 | |
| 2024-12-31 | $18,741,936 | 415,824 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $15,351,767 | 297,414 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $54,219,022 | 1,050,400 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $60,583,459 | 1,173,700 | Put | Sole | 2024-11-14 | |
| 2024-06-30 | $82,688,447 | 1,443,800 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $72,391,049 | 1,264,000 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $47,566,799 | 922,200 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $50,589,369 | 980,800 | Call | Sole | 2024-05-15 | |
| 2023-12-31 | $33,591,236 | 848,600 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $13,850,546 | 349,900 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $3,842,052 | 97,060 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $15,434,185 | 447,500 | Put | Sole | 2023-11-21 | |
| 2023-09-30 | $16,551,655 | 479,900 | Call | Sole | 2023-11-21 | |
| 2023-06-30 | $3,624,280 | 126,415 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $8,684,052 | 302,900 | Call | Sole | 2023-08-14 | |
| 2023-06-30 | $8,698,386 | 303,400 | Put | Sole | 2023-08-14 | |
| 2023-03-31 | $9,663,804 | 339,400 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $10,804,411 | 379,459 | Shares | Sole | 2023-05-15 | |
| 2023-03-31 | $19,771,790 | 694,400 | Put | Sole | 2023-05-15 | |
| 2022-12-31 | $5,481,301 | 229,850 | Shares | Sole | 2023-02-14 | |
| 2022-12-31 | $14,317,918 | 600,400 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $8,971,354 | 376,200 | Call | Sole | 2023-02-14 | |
| 2022-09-30 | $5,756,558 | 233,976 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $17,003,271 | 691,100 | Put | Sole | 2022-11-14 | |
| 2022-09-30 | $6,261,514 | 254,500 | Call | Sole | 2022-11-14 | |
| 2022-06-30 | $27,169,073 | 801,800 | Put | Sole | 2022-08-08 | |
| 2022-06-30 | $9,989,327 | 294,800 | Call | Sole | 2022-08-08 | |
| 2022-06-30 | $12,087,086 | 356,708 | Shares | Sole | 2022-08-08 | |
| 2022-03-31 | $34,623,609 | 922,600 | Put | Sole | 2022-05-16 | |
| 2022-03-31 | $5,302,748 | 141,300 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $12,706,969 | 338,597 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $48,367,786 | 981,300 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $760,931 | 15,438 | Shares | Sole | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||