Qube Research & Technologies Ltd
Position in STX — Seagate Technology Holdings plc
CIK 1729829
LONDON, X0
Position in STX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$533,432,700
+$532,798,441 QoQ
Shares Held
552,780
+34043.3% QoQ
Ownership
0.244%
of shares outstanding
% of Portfolio
0.61%
of 13F equity value
Holder Rank
#60
of 1,934 holders
Holding Since
Jun 2021
16 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, 2026CallValue
$2,798,500
CallShares
2,900
PutValue
$11,966,000
PutShares
12,400
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, 2026Qube Research & Technologies Ltd holds $2,455,821,334 across 14 Computer Hardware names. STX ranks #3 (21.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
409,650 | $931,433,494 | |
| 2 | WDC |
Western Digital Corp
|
915,929 | $585,022,170 | |
| 3 | STX |
Seagate Technology Holdings plc
This page
|
552,780 | $533,432,700 | |
| 4 | LOGI |
Logitech International S.A.
|
1,595,354 | $150,027,090 | |
| 5 | DELL |
Dell Technologies Inc.
|
312,277 | $134,735,034 | |
| 6 | ANET |
Arista Networks, Inc.
|
520,111 | $88,356,456 | |
| 7 | IONQ |
IonQ, Inc.
|
383,146 | $20,406,355 | |
| 8 | OSS |
One Stop Systems, Inc.
|
318,919 | $5,797,947 |
All Filings in STX
Export CSV
32 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,966,000 | 12,400 | Put | Sole | 2026-08-14 | |
| 2026-06-30 | $2,798,500 | 2,900 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $533,432,700 | 552,780 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $634,259 | 1,619 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $7,130,032 | 18,200 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $5,327,936 | 13,600 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $18,368,513 | 66,700 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $7,242,757 | 26,300 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $22,307,670 | 94,500 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $9,772,884 | 41,400 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $7,750,521 | 53,700 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $14,303,103 | 99,100 | Put | Sole | 2025-08-14 | |
| 2025-03-31 | $22,601,966 | 266,062 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $2,964,755 | 34,900 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $3,474,455 | 40,900 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $5,817,294 | 67,400 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $1,838,403 | 21,300 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $138,942,269 | 1,609,805 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $75,246,562 | 686,995 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $65,718 | 600 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $25,542,078 | 247,333 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $595,520 | 6,400 | Call | Sole | 2024-05-14 | |
| 2024-03-31 | $539,690 | 5,800 | Put | Sole | 2024-05-14 | |
| 2024-03-31 | $5,076,435 | 54,556 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $51,222 | 600 | Put | Sole | 2024-02-13 | |
| 2023-12-31 | $392,702 | 4,600 | Call | Sole | 2024-02-13 | |
| 2023-12-31 | $172,362 | 2,019 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $751,038 | 11,388 | Shares | Sole | 2023-11-13 | |
| 2022-09-30 | $3,935,027 | 73,925 | Shares | Sole | 2022-11-14 | |
| 2022-03-31 | $6,916,186 | 76,932 | Shares | Sole | 2022-05-09 | |
| 2021-09-30 | $1,061,289 | 12,861 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $13,831,125 | 157,297 | Shares | Sole | 2021-08-13 | |
| No filing history on record for this holder in this stock. | ||||||