MILLENNIUM MANAGEMENT LLC
Position in STX — Seagate Technology Holdings plc
CIK 1273087
NEW YORK, NY
Position in STX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$98,049,301
+$75,582,710 QoQ
Shares Held
250,279
+206.8% QoQ
Ownership
0.112%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.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
$95,354,384
CallShares
243,400
PutValue
$66,755,904
PutShares
170,400
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 Mar 31, 2026MILLENNIUM MANAGEMENT LLC holds $1,228,493,894 across 18 Computer Hardware names. STX ranks #3 (8.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
1,142,295 | $725,745,705 | |
| 2 | HPQ |
Hp Inc
|
5,327,945 | $102,349,823 | |
| 3 | STX |
Seagate Technology Holdings plc
This page
|
250,279 | $98,049,301 | |
| 4 | WDC |
Western Digital Corp
|
277,653 | $75,102,359 | |
| 5 | ANET |
Arista Networks, Inc.
|
541,043 | $66,429,259 | |
| 6 | P |
Everpure, Inc.
|
920,636 | $54,354,349 | |
| 7 | DELL |
Dell Technologies Inc.
|
266,093 | $43,673,844 | |
| 8 | LOGI |
Logitech International S.A.
|
270,512 | $24,649,053 |
All Filings in STX
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $98,049,301 | 250,279 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $66,755,904 | 170,400 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $95,354,384 | 243,400 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $31,119,070 | 113,000 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $67,140,082 | 243,800 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $22,466,591 | 81,581 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $44,875,006 | 190,100 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $183,226,467 | 776,186 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $61,706,084 | 261,400 | Put | Sole | 2025-11-14 | |
| 2025-06-30 | $20,797,953 | 144,100 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $19,715,478 | 136,600 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $108,226,283 | 749,853 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $56,135,214 | 660,803 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $19,249,670 | 226,600 | Put | Sole | 2025-05-15 | |
| 2025-03-31 | $1,486,625 | 17,500 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $97,986,448 | 1,135,285 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $3,236,625 | 37,500 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $4,229,190 | 49,000 | Put | Sole | 2025-02-14 | |
| 2024-09-30 | $5,903,667 | 53,900 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $101,444,385 | 926,179 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $4,600,260 | 42,000 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $94,331,361 | 913,444 | Shares | Sole | 2024-08-14 | |
| 2024-06-30 | $6,795,166 | 65,800 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $4,130,800 | 40,000 | Put | Sole | 2024-08-14 | |
| 2024-03-31 | $53,163,280 | 571,341 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $4,699,025 | 50,500 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $7,220,680 | 77,600 | Put | Sole | 2024-05-15 | |
| 2023-12-31 | $7,811,355 | 91,500 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $2,492,804 | 29,200 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $11,237,880 | 170,400 | Put | Sole | 2023-11-14 | |
| 2023-09-30 | $18,462,768 | 279,951 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $9,285,760 | 140,800 | Call | Sole | 2023-11-14 | |
| 2023-06-30 | $3,390,476 | 54,800 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $2,201,458 | 35,582 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $1,169,343 | 18,900 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $1,005,024 | 15,200 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $271,092 | 4,100 | Call | Sole | 2023-05-15 | |
| 2022-12-31 | $9,674,979 | 183,900 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $2,151,749 | 40,900 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $8,353,468 | 158,781 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $8,298,823 | 155,905 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $16,586,468 | 311,600 | Put | Sole | 2022-11-14 | |
| 2022-06-30 | $28,633,152 | 400,800 | Put | Sole | 2022-08-15 | |
| 2022-06-30 | $30,961,810 | 433,396 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,366,480 | 15,200 | Call | Sole | 2022-05-16 | |
| 2022-03-31 | $25,664,921 | 285,483 | Shares | Sole | 2022-05-16 | |
| 2022-03-31 | $36,930,920 | 410,800 | Put | Sole | 2022-05-16 | |
| 2021-12-31 | $12,599,529 | 111,520 | Shares | Sole | 2022-02-14 | |
| 2021-12-31 | $52,671,276 | 466,200 | Put | Sole | 2022-02-14 | |
| 2021-09-30 | $8,613,602 | 104,382 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||