Position in STX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$15,467,985
+$13,256,500 QoQ
Shares Held
16,029
+184.0% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#377
of 1,934 holders
Holding Since
Mar 2023
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in STX Over Time
Shares Held
Position Value (USD)
Derivatives in STX
reported options exposure · as of Dec 31, 2025CallValue
$220,312
CallShares
800
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Computer Hardware
Technology · as of Jun 30, 2026Marex Group plc holds $1,064,247,934 across 20 Computer Hardware names. STX ranks #6 (1.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
299,792 | $681,646,064 | |
| 2 | IONQ |
IonQ, Inc.
|
3,707,611 | $197,467,360 | |
| 3 | SMCI |
Super Micro Computer, Inc.
|
2,597,473 | $76,183,882 | |
| 4 | QBTS |
D-Wave Quantum Inc.
|
1,820,485 | $43,673,434 | |
| 5 | QUBT |
Quantum Computing Inc.
|
2,302,359 | $22,332,882 | |
| 6 | STX |
Seagate Technology Holdings plc
This page
|
16,029 | $15,467,985 | |
| 7 | ANET |
Arista Networks, Inc.
|
69,730 | $11,845,732 | |
| 8 | RGTI |
Rigetti Computing, Inc.
|
487,829 | $9,424,855 |
All Filings in STX
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,467,985 | 16,029 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $2,211,485 | 5,645 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $220,312 | 800 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $535,908 | 1,946 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $708,180 | 3,000 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $293,658 | 1,244 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $432,990 | 3,000 | Call | Defined | 2025-08-19 | |
| 2025-03-31 | $576,895 | 6,791 | Shares | Defined | 2026-04-02 | |
| 2023-09-30 | $647,958 | 9,825 | Shares | Defined | 2026-04-02 | |
| 2023-06-30 | $345,977 | 5,592 | Shares | Defined | 2026-04-02 | |
| 2023-03-31 | $272,678 | 4,124 | Shares | Defined | 2026-04-02 | |
| No filing history on record for this holder in this stock. | ||||||