Position in STX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,018,184
-$4,375,283 QoQ
Shares Held
2,599
-93.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
8 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in STX 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. STX ranks #6 (8.3% 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
|
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
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|
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 STX
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||