Position in WDC
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,564,784
-$57,310,555 QoQ
Shares Held
5,785
-98.3% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
16 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Mar 31, 2026SIMPLEX TRADING, LLC holds $12,268,881 across 17 Computer Hardware names. WDC ranks #2 (12.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RGTI |
Rigetti Computing, Inc.
|
268,841 | $3,774,527 | |
| 2 | WDC |
Western Digital Corp
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|
5,785 | $1,564,784 | |
| 3 | DELL |
Dell Technologies Inc.
|
9,098 | $1,493,254 | |
| 4 | IONQ |
IonQ, Inc.
|
46,557 | $1,342,238 | |
| 5 | QUBT |
Quantum Computing Inc.
|
166,052 | $1,137,456 | |
| 6 | STX |
Seagate Technology Holdings plc
|
2,599 | $1,018,184 | |
| 7 | SNDK |
Sandisk Corp
|
1,558 | $989,859 | |
| 8 | NNDM |
Nano Dimension Ltd.
|
222,218 | $377,770 |
All Filings in WDC
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,564,784 | 5,785 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $58,875,339 | 341,762 | Shares | Sole | 2026-02-11 | |
| 2025-03-31 | $5,879,856 | 145,433 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $3,491,622 | 77,468 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $1,555,854 | 30,142 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $1,627,366 | 28,415 | Shares | Sole | 2024-07-25 | |
| 2023-03-31 | $2,484,001 | 87,240 | Shares | Sole | 2023-04-27 | |
| 2022-03-31 | $7,618,357 | 203,003 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $4,750,176 | 96,373 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $4,266 | 100 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $5,379 | 100 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $2,398,710 | 47,543 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $2,706,701 | 64,650 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $3,551,869 | 128,567 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $826,335 | 24,762 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $1,162,654 | 36,958 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||