MUFG Securities EMEA plc
Broker-DealerPosition in WDC — Western Digital Corp
CIK 1597694
LONDON, X0
Position in WDC
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$19,760,719
+$16,001,179 QoQ
Shares Held
30,938
+122.6% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#356
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 Mar 31, 2022CallValue
$0
CallShares
0
PutValue
$97,711,083
PutShares
2,603,664
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, 2026MUFG Securities EMEA plc holds $106,719,062 across 7 Computer Hardware names. WDC ranks #3 (18.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | STX |
Seagate Technology Holdings plc
|
45,126 | $43,546,590 | |
| 2 | SNDK |
Sandisk Corp
|
13,292 | $30,222,419 | |
| 3 | WDC |
Western Digital Corp
This page
|
30,938 | $19,760,719 | |
| 4 | ANET |
Arista Networks, Inc.
|
40,435 | $6,869,097 | |
| 5 | DELL |
Dell Technologies Inc.
|
11,323 | $4,885,421 | |
| 6 | HPQ |
Hp Inc
|
35,947 | $788,677 | |
| 7 | SMCI |
Super Micro Computer, Inc.
|
22,030 | $646,139 |
All Filings in WDC
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $19,760,719 | 30,938 | Shares | Defined | 2026-08-12 | |
| 2026-03-31 | $3,759,540 | 13,899 | Shares | Defined | 2026-05-11 | |
| 2025-12-31 | $2,414,536 | 14,016 | Shares | Defined | 2026-02-10 | |
| 2025-09-30 | $797,198 | 6,640 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $65,589 | 1,025 | Shares | Sole | 2025-10-07 | |
| 2024-09-30 | $20,691 | 303 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $21,064 | 278 | Shares | Sole | 2024-07-31 | |
| 2024-03-31 | $88,029 | 1,290 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $408,957 | 7,809 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $211,038 | 4,625 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $436,612 | 11,511 | Shares | Sole | 2023-08-03 | |
| 2023-03-31 | $933,313 | 24,776 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $11,655,066 | 369,416 | Shares | Sole | 2023-01-24 | |
| 2022-09-30 | $626,783 | 19,256 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $317,665 | 7,086 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $97,711,083 | 1,968,000 | Put | Sole | 2022-05-18 | |
| 2022-03-31 | $248,547 | 5,006 | Shares | Sole | 2022-05-18 | |
| 2021-06-30 | $641,739 | 9,017 | Shares | Sole | 2021-07-19 | |
| 2021-03-31 | $974,149 | 14,594 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $4,957,408 | 89,500 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $697,922 | 19,095 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $4,874,862 | 110,416 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $2,174,061 | 52,236 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||