Position in STX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,651,138
-$277,182 QoQ
Shares Held
14,425
-33.0% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
10 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 100.ToString("F0")%
None 0.ToString("F0")%
Common Shares in STX Over Time
Shares Held
Position Value (USD)
Derivatives in STX
reported options exposure · as of Mar 31, 2026CallValue
$1,136,104
CallShares
2,900
PutValue
$16,062,160
PutShares
41,000
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 Mar 31, 2026MARSHALL WACE, LLP holds $883,326,782 across 18 Computer Hardware names. STX ranks #7 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
564,586 | $358,704,067 | |
| 2 | WDC |
Western Digital Corp
|
931,323 | $251,913,557 | |
| 3 | SMCI |
Super Micro Computer, Inc.
|
7,188,017 | $163,671,146 | |
| 4 | ANET |
Arista Networks, Inc.
|
397,000 | $48,743,660 | |
| 5 | LOGI |
Logitech International S.A.
|
359,586 | $32,765,475 | |
| 6 | DDD |
3D Systems Corp
|
3,185,695 | $5,989,105 | |
| 7 | STX |
Seagate Technology Holdings plc
This page
|
14,425 | $5,651,138 | |
| 8 | QBTS |
D-Wave Quantum Inc.
|
340,363 | $4,911,438 |
All Filings in STX
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | |
| No filing history on record for this holder in this stock. | ||||||