Position in WDC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$46,408,117
+$31,316,669 QoQ
Shares Held
72,658
+30.2% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
#245
of 1,846 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 50%
Shared 50%
None 0%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Derivatives in WDC
reported options exposure · as of Jun 30, 2026CallValue
$37,939,968
CallShares
59,400
PutValue
$38,450,944
PutShares
60,200
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, 2026TUDOR INVESTMENT CORP ET AL holds $384,539,278 across 12 Computer Hardware names. WDC ranks #3 (12.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
80,795 | $183,706,015 | |
| 2 | SMCI |
Super Micro Computer, Inc.
|
1,000,000 | $51,960,000 | |
| 3 | WDC |
Western Digital Corp
This page
|
72,658 | $46,408,117 | |
| 4 | IONQ |
IonQ, Inc.
|
703,417 | $37,463,989 | |
| 5 | LOGI |
Logitech International S.A.
|
196,313 | $18,461,274 | |
| 6 | DELL |
Dell Technologies Inc.
|
33,474 | $14,442,692 | |
| 7 | ANET |
Arista Networks, Inc.
|
77,626 | $13,187,104 | |
| 8 | SSYS |
Stratasys Ltd.
|
745,713 | $6,383,303 |
All Filings in WDC
Export CSV
44 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $38,450,944 | 60,200 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $46,408,117 | 72,658 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $37,939,968 | 59,400 | Call | Defined | 2026-08-14 | |
| 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 | 2025-12-09 | |
| 2025-09-30 | $35,021,502 | 291,700 | Put | Defined | 2025-12-09 | |
| 2025-09-30 | $58,745,958 | 489,305 | Shares | Defined | 2025-12-09 | |
| 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 | $1,866,418 | 31,300 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $339,890 | 5,700 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $4,315,924 | 63,200 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $4,793,954 | 70,200 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $11,767,090 | 155,300 | Put | Defined | 2024-08-14 | |
| 2024-06-30 | $7,069,346 | 93,300 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $22,363,609 | 295,151 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $21,698,664 | 317,976 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,487,630 | 21,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $218,367 | 3,200 | Put | Defined | 2024-05-15 | |
| 2023-12-31 | $19,871,493 | 379,444 | Shares | Defined | 2024-02-14 | |
| 2023-03-31 | $3,435,394 | 91,197 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $555,279 | 17,600 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $3,539,749 | 112,195 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $757,199 | 24,000 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $276,675 | 8,500 | Call | Defined | 2022-11-14 | |
| 2022-03-31 | $2,132,663 | 42,954 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $317,759 | 6,400 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $1,500,547 | 23,011 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $854,251 | 13,100 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $785,531 | 13,918 | Shares | Defined | 2021-11-17 | |
| 2021-06-30 | $1,592,357 | 22,374 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $1,867,731 | 27,981 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $3,549,836 | 64,088 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $671,569 | 18,374 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $412,846 | 9,351 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $389,188 | 9,351 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||