Position in STX
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$99,985,580
+$94,334,442 QoQ
Shares Held
103,612
+618.3% QoQ
Ownership
0.046%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#158
of 1,934 holders
Holding Since
Jun 2021
12 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in STX Over Time
Shares Held
Position Value (USD)
Derivatives in STX
reported options exposure · as of Jun 30, 2026CallValue
$11,580,000
CallShares
12,000
PutValue
$74,112,000
PutShares
76,800
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, 2026MARSHALL WACE, LLP holds $1,265,931,984 across 20 Computer Hardware names. STX ranks #5 (7.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
209,217 | $475,702,968 | |
| 2 | WDC |
Western Digital Corp
|
400,306 | $255,683,446 | |
| 3 | SMCI |
Super Micro Computer, Inc.
|
6,118,753 | $213,408,023 | |
| 4 | IONQ |
IonQ, Inc.
|
2,327,425 | $123,958,654 | |
| 5 | STX |
Seagate Technology Holdings plc
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|
103,612 | $99,985,580 | |
| 6 | LOGI |
Logitech International S.A.
|
412,299 | $38,772,597 | |
| 7 | DELL |
Dell Technologies Inc.
|
32,142 | $13,867,986 | |
| 8 | DDD |
3D Systems Corp
|
3,931,656 | $11,873,599 |
All Filings in STX
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,580,000 | 12,000 | Call | Other | 2026-08-13 | |
| 2026-06-30 | $99,985,580 | 103,612 | Shares | Other | 2026-08-13 | |
| 2026-06-30 | $74,112,000 | 76,800 | Put | Other | 2026-08-13 | |
| 2026-03-31 | $1,136,104 | 2,900 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $16,062,160 | 41,000 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $5,651,138 | 14,425 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $2,478,510 | 9,000 | Put | Other | 2026-02-13 | |
| 2025-12-31 | $5,928,320 | 21,527 | Shares | Other | 2026-02-13 | |
| 2025-12-31 | $2,864,056 | 10,400 | Call | Other | 2026-02-13 | |
| 2025-09-30 | $22,041,157 | 93,371 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $28,375,278 | 196,600 | Put | Other | 2025-08-13 | |
| 2025-03-31 | $7,090,011 | 83,461 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $77,341,268 | 896,087 | Shares | Other | 2025-02-13 | |
| 2024-03-31 | $2,068,128 | 22,226 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $1,843,223 | 21,591 | Shares | Other | 2024-02-14 | |
| 2023-06-30 | $201,881 | 3,263 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $2,667,875 | 40,349 | Shares | Other | 2023-05-15 | |
| 2021-06-30 | $205,844 | 2,341 | Shares | Sole | 2021-08-13 | |
| No filing history on record for this holder in this stock. | ||||||