Position in WDC
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$4,099,304
+$3,265,008 QoQ
Shares Held
6,418
-7.6% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#641
of 1,836 holders
Holding Since
Sep 2021
9 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Jun 30, 2026Optiver Holding B.V. holds $60,604,946 across 12 Computer Hardware names. WDC ranks #2 (6.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SMCI |
Super Micro Computer, Inc.
|
1,633,923 | $47,922,961 | |
| 2 | WDC |
Western Digital Corp
This page
|
6,418 | $4,099,304 | |
| 3 | LOGI |
Logitech International S.A.
|
29,053 | $2,732,144 | |
| 4 | HPQ |
Hp Inc
|
83,899 | $1,840,744 | |
| 5 | SNDK |
Sandisk Corp
|
480 | $1,091,390 | |
| 6 | STX |
Seagate Technology Holdings plc
|
1,076 | $1,038,340 | |
| 7 | IONQ |
IonQ, Inc.
|
14,539 | $774,346 | |
| 8 | RGTI |
Rigetti Computing, Inc.
|
28,219 | $545,191 |
All Filings in WDC
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9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,099,304 | 6,418 | Shares | Defined | 2026-08-12 | |
| 2025-09-30 | $834,296 | 6,949 | Shares | Defined | 2025-11-10 | |
| 2025-06-30 | $167,205 | 2,613 | Shares | Defined | 2025-08-14 | |
| 2024-12-31 | $3,160 | 53 | Shares | Defined | 2025-02-14 | |
| 2024-06-30 | $44,477 | 587 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $20,676 | 303 | Shares | Defined | 2024-05-09 | |
| 2023-03-31 | $66,299 | 1,760 | Shares | Defined | 2023-05-11 | |
| 2021-12-31 | $31,235 | 479 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $27,034 | 479 | Shares | Defined | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||