Position in WDC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$585,022,170
+$585,022,170 QoQ
Shares Held
915,929
Ownership
0.254%
of shares outstanding
% of Portfolio
0.67%
of 13F equity value
Holder Rank
#46
of 1,836 holders
Holding Since
Dec 2020
19 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 Jun 30, 2026CallValue
$16,798,336
CallShares
26,300
PutValue
$31,425,024
PutShares
49,200
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, 2026Qube Research & Technologies Ltd holds $2,455,821,334 across 14 Computer Hardware names. WDC ranks #2 (23.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
409,650 | $931,433,494 | |
| 2 | WDC |
Western Digital Corp
This page
|
915,929 | $585,022,170 | |
| 3 | STX |
Seagate Technology Holdings plc
|
552,780 | $533,432,700 | |
| 4 | LOGI |
Logitech International S.A.
|
1,595,354 | $150,027,090 | |
| 5 | DELL |
Dell Technologies Inc.
|
312,277 | $134,735,034 | |
| 6 | ANET |
Arista Networks, Inc.
|
520,111 | $88,356,456 | |
| 7 | IONQ |
IonQ, Inc.
|
383,146 | $20,406,355 | |
| 8 | OSS |
One Stop Systems, Inc.
|
318,919 | $5,797,947 |
All Filings in WDC
Export CSV
33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $585,022,170 | 915,929 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $16,798,336 | 26,300 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $31,425,024 | 49,200 | Put | Sole | 2026-08-14 | |
| 2026-03-31 | $22,044,935 | 81,500 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $17,094,968 | 63,200 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $33,420,380 | 194,000 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $23,411,493 | 135,900 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $40,568,274 | 337,900 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $30,999,492 | 258,200 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $24,725,736 | 386,400 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $13,764,249 | 215,100 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $7,576,582 | 187,400 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $2,704,767 | 66,900 | Put | Sole | 2025-05-15 | |
| 2024-12-31 | $3,864,023 | 64,800 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $3,810,356 | 63,900 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $34,078,301 | 571,496 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $50,352,298 | 737,331 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $2,000,895 | 29,300 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $3,182,311 | 46,600 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $30,308 | 400 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $55,729,638 | 735,510 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $4,810,437 | 70,493 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $5,059,258 | 96,606 | Shares | Sole | 2024-02-13 | |
| 2023-12-31 | $136,162 | 2,600 | Call | Sole | 2024-02-13 | |
| 2023-12-31 | $308,983 | 5,900 | Put | Sole | 2024-02-13 | |
| 2023-09-30 | $122,790 | 2,691 | Shares | Sole | 2023-11-13 | |
| 2022-12-31 | $6,739,927 | 213,627 | Shares | Sole | 2023-02-14 | |
| 2022-06-30 | $20,500,753 | 457,300 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $5,145,124 | 103,628 | Shares | Sole | 2022-05-09 | |
| 2021-09-30 | $5,437,878 | 96,348 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $3,472,597 | 48,793 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $3,304,057 | 49,499 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $1,660,538 | 29,979 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||