Position in WDC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$15,099,979
+$3,250,732 QoQ
Shares Held
23,641
-65.6% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
#390
of 1,836 holders
Holding Since
Mar 2024
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Jun 30, 2026GROUP ONE TRADING LLC holds $43,907,265 across 16 Computer Hardware names. WDC ranks #1 (34.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WDC |
Western Digital Corp
This page
|
23,641 | $15,099,979 | |
| 2 | SMCI |
Super Micro Computer, Inc.
|
196,697 | $5,769,123 | |
| 3 | QBTS |
D-Wave Quantum Inc.
|
197,023 | $4,726,581 | |
| 4 | SNDK |
Sandisk Corp
|
1,815 | $4,126,819 | |
| 5 | STX |
Seagate Technology Holdings plc
|
3,740 | $3,609,100 | |
| 6 | UMAC |
Unusual Machines, Inc.
|
154,203 | $3,438,726 | |
| 7 | RGTI |
Rigetti Computing, Inc.
|
156,432 | $3,022,266 | |
| 8 | DDD |
3D Systems Corp
|
327,982 | $990,505 |
All Filings in WDC
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,099,979 | 23,641 | Shares | Sole | 2026-08-14 | |
| 2025-12-31 | $11,849,247 | 68,783 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,758,738 | 22,978 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $4,041,032 | 63,151 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,739,662 | 43,029 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,414,179 | 40,486 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $2,687,073 | 39,348 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,545,798 | 33,599 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,542,074 | 37,252 | Shares | Sole | 2024-05-10 | |
| No filing history on record for this holder in this stock. | ||||||