Position in STX
as of Jun 30, 2026
· filed Jul 15, 2026
Position Value
$24,286,155
+$24,286,155 QoQ
Shares Held
25,167
Ownership
0.011%
of shares outstanding
% of Portfolio
8.29%
of 13F equity value
Holder Rank
#326
of 1,934 holders
Holding Since
Dec 2022
10 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 Jun 30, 2025CallValue
$0
CallShares
0
PutValue
$16,237,125
PutShares
112,500
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, 2026Portman Square Capital LLP holds $30,948,004 across 2 Computer Hardware names. STX ranks #1 (78.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | STX |
Seagate Technology Holdings plc
This page
|
25,167 | $24,286,155 | |
| 2 | WDC |
Western Digital Corp
|
10,430 | $6,661,849 |
All Filings in STX
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17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $24,286,155 | 25,167 | Shares | Sole | 2026-07-15 | |
| 2025-06-30 | $16,237,125 | 112,500 | Put | Sole | 2025-07-29 | |
| 2025-03-31 | $91,958,375 | 1,082,500 | Put | Sole | 2025-05-02 | |
| 2025-03-31 | $1,645,226 | 19,367 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $1,147,577 | 13,296 | Shares | Sole | 2025-01-16 | |
| 2024-12-31 | $77,791,203 | 901,300 | Put | Sole | 2025-01-16 | |
| 2024-09-30 | $50,537,142 | 461,400 | Put | Sole | 2024-10-16 | |
| 2024-06-30 | $48,846,710 | 473,000 | Put | Sole | 2024-07-19 | |
| 2024-03-31 | $67,275,150 | 723,000 | Put | Sole | 2024-04-15 | |
| 2024-03-31 | $218,760 | 2,351 | Shares | Sole | 2024-04-15 | |
| 2023-12-31 | $106,260,039 | 1,244,700 | Put | Sole | 2024-01-19 | |
| 2023-12-31 | $218,376 | 2,558 | Shares | Sole | 2024-01-19 | |
| 2023-09-30 | $2,373,870 | 35,995 | Shares | Sole | 2023-10-30 | |
| 2023-09-30 | $82,087,965 | 1,244,700 | Put | Sole | 2023-10-30 | |
| 2022-12-31 | $1,751,913 | 33,300 | Shares | Sole | 2023-02-23 | |
| 2022-12-31 | $552,405 | 10,500 | Call | Sole | 2023-02-23 | |
| 2022-12-31 | $1,751,913 | 33,300 | Put | Sole | 2023-02-23 | |
| No filing history on record for this holder in this stock. | ||||||