Position in STX
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$674,535
-$343,649 QoQ
Shares Held
699
-73.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1,191
of 1,934 holders
Holding Since
Jun 2022
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in STX Over Time
Shares Held
Position Value (USD)
Position in Computer Hardware
Technology · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $26,546,426 across 14 Computer Hardware names. STX ranks #7 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
4,518 | $10,272,712 | |
| 2 | WDC |
Western Digital Corp
|
11,430 | $7,300,569 | |
| 3 | QBTS |
D-Wave Quantum Inc.
|
122,302 | $2,934,024 | |
| 4 | HPQ |
Hp Inc
|
105,367 | $2,311,751 | |
| 5 | RGTI |
Rigetti Computing, Inc.
|
62,766 | $1,212,639 | |
| 6 | QUBT |
Quantum Computing Inc.
|
78,534 | $761,779 | |
| 7 | STX |
Seagate Technology Holdings plc
This page
|
699 | $674,535 | |
| 8 | VELO |
Velo3D, Inc.
|
31,932 | $560,406 |
All Filings in STX
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $674,535 | 699 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $1,018,184 | 2,599 | Shares | Sole | 2026-05-14 | |
| 2025-06-30 | $5,393,467 | 37,369 | Shares | Sole | 2025-08-05 | |
| 2024-12-31 | $3,050,109 | 35,339 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $3,971,995 | 36,264 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $8,767,209 | 84,896 | Shares | Sole | 2024-07-25 | |
| 2023-12-31 | $550,209 | 6,445 | Shares | Sole | 2024-02-02 | |
| 2022-09-30 | $3,379,146 | 63,482 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $2,720,363 | 38,079 | Shares | Sole | 2022-08-03 | |
| No filing history on record for this holder in this stock. | ||||||