Position in WDC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$15,091,448
+$14,755,350 QoQ
Shares Held
55,793
+2759.7% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 50.ToString("F0")%
Shared 50.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
$23,262,140
CallShares
86,000
PutValue
$34,785,014
PutShares
128,600
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, 2026TUDOR INVESTMENT CORP ET AL holds $181,046,250 across 12 Computer Hardware names. WDC ranks #6 (8.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
66,205 | $42,062,684 | |
| 2 | STX |
Seagate Technology Holdings plc
|
102,041 | $39,975,582 | |
| 3 | DELL |
Dell Technologies Inc.
|
144,058 | $23,644,239 | |
| 4 | UMAC |
Unusual Machines, Inc.
|
1,799,998 | $22,319,975 | |
| 5 | LOGI |
Logitech International S.A.
|
211,529 | $19,274,522 | |
| 6 | WDC |
Western Digital Corp
This page
|
55,793 | $15,091,448 | |
| 7 | QBTS |
D-Wave Quantum Inc.
|
576,806 | $8,323,310 | |
| 8 | IONQ |
IonQ, Inc.
|
136,045 | $3,922,177 |
All Filings in WDC
Export CSV
41 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $15,091,448 | 55,793 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $34,785,014 | 128,600 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $23,262,140 | 86,000 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $69,355,902 | 402,600 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $336,098 | 1,951 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $36,417,878 | 211,400 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $34,097,040 | 284,000 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $35,021,502 | 291,700 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $58,745,958 | 489,305 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $17,162,118 | 268,200 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $16,106,283 | 251,700 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $572,690 | 14,165 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $4,212,806 | 104,200 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $6,784,154 | 167,800 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $1,410,747 | 31,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $256,909 | 5,700 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $3,262,226 | 63,200 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $3,623,548 | 70,200 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $8,894,248 | 155,300 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $5,343,421 | 93,300 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $16,903,710 | 295,151 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $16,401,106 | 317,976 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,124,437 | 21,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $165,055 | 3,200 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $15,020,025 | 379,444 | Shares | Defined | 2024-02-14 | |
| 2023-03-31 | $2,596,670 | 91,197 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $419,712 | 17,600 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $2,675,547 | 112,195 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $572,335 | 24,000 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $209,127 | 8,500 | Call | Defined | 2022-11-14 | |
| 2022-03-31 | $1,611,990 | 42,954 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $240,181 | 6,400 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $1,134,200 | 23,011 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $645,692 | 13,100 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $593,750 | 13,918 | Shares | Defined | 2021-11-17 | |
| 2021-06-30 | $1,203,595 | 22,374 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $1,411,739 | 27,981 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $2,683,172 | 64,088 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $507,611 | 18,374 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $312,053 | 9,351 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $294,171 | 9,351 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||