Position in WDC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$224,805,168
+$149,702,809 QoQ
Shares Held
351,962
+26.8% QoQ
Ownership
0.098%
of shares outstanding
% of Portfolio
0.18%
of 13F equity value
Holder Rank
#94
of 1,836 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Derivatives in WDC
reported options exposure · as of Jun 30, 2026CallValue
$199,025,152
CallShares
311,600
PutValue
$209,436,288
PutShares
327,900
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, 2026MILLENNIUM MANAGEMENT LLC holds $2,261,131,041 across 24 Computer Hardware names. WDC ranks #3 (9.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
366,129 | $832,478,491 | |
| 2 | STX |
Seagate Technology Holdings plc
|
633,069 | $610,911,585 | |
| 3 | WDC |
Western Digital Corp
This page
|
351,962 | $224,805,168 | |
| 4 | SMCI |
Super Micro Computer, Inc.
|
5,025,301 | $220,992,350 | |
| 5 | IONQ |
IonQ, Inc.
|
1,959,358 | $104,355,407 | |
| 6 | P |
Everpure, Inc.
|
910,346 | $71,726,161 | |
| 7 | HPQ |
Hp Inc
|
2,194,826 | $48,154,482 | |
| 8 | ANET |
Arista Networks, Inc.
|
208,862 | $35,481,476 |
All Filings in WDC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $199,025,152 | 311,600 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $224,805,168 | 351,962 | Shares | Sole | 2026-08-14 | |
| 2026-06-30 | $209,436,288 | 327,900 | Put | Sole | 2026-08-14 | |
| 2026-03-31 | $80,335,530 | 297,000 | Put | Sole | 2026-05-15 | |
| 2026-03-31 | $75,102,359 | 277,653 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $43,116,106 | 159,400 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $27,614,881 | 160,300 | Put | Sole | 2026-02-17 | |
| 2025-12-31 | $54,644,905 | 317,205 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $51,198,644 | 297,200 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $147,892,909 | 1,231,825 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $35,381,682 | 294,700 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $9,928,962 | 82,700 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $23,953,760 | 374,336 | Shares | Sole | 2025-08-14 | |
| 2025-06-30 | $22,185,333 | 346,700 | Put | Sole | 2025-08-14 | |
| 2025-06-30 | $7,294,860 | 114,000 | Call | Sole | 2025-08-14 | |
| 2025-03-31 | $15,169,336 | 375,200 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $3,458,786 | 85,550 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $13,540,007 | 334,900 | Put | Sole | 2025-05-15 | |
| 2024-12-31 | $36,547,221 | 612,900 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $67,504,847 | 1,132,062 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $11,431,069 | 191,700 | Put | Sole | 2025-02-14 | |
| 2024-09-30 | $19,298,740 | 282,600 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $10,981,024 | 160,800 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $179,020,471 | 2,621,476 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $29,868,558 | 394,200 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $8,213,474 | 108,400 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $379,707,497 | 5,011,313 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $12,221,773 | 179,100 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $41,332,933 | 605,700 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $325,654,997 | 4,772,205 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $60,309,325 | 1,151,600 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $549,022,297 | 10,483,521 | Shares | Sole | 2024-02-14 | |
| 2023-12-31 | $26,551,604 | 507,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $27,095,097 | 593,800 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $299,624,821 | 6,566,399 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $52,588,581 | 1,152,500 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $250,677,294 | 6,608,943 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $34,531,483 | 910,400 | Put | Sole | 2023-08-14 | |
| 2023-06-30 | $39,086,878 | 1,030,500 | Call | Sole | 2023-08-14 | |
| 2023-03-31 | $32,893,482 | 873,200 | Put | Sole | 2023-05-15 | |
| 2023-03-31 | $84,640,820 | 2,246,900 | Call | Sole | 2023-05-15 | |
| 2023-03-31 | $305,143,927 | 8,100,440 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $46,372,157 | 1,469,800 | Put | Sole | 2023-02-14 | |
| 2022-12-31 | $73,577,703 | 2,332,100 | Call | Sole | 2023-02-14 | |
| 2022-12-31 | $98,051,904 | 3,107,828 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $56,636,081 | 1,739,970 | Shares | Sole | 2022-11-14 | |
| 2022-09-30 | $28,032,088 | 861,200 | Call | Sole | 2022-11-14 | |
| 2022-09-30 | $85,674,943 | 2,632,100 | Put | Sole | 2022-11-14 | |
| 2022-06-30 | $122,094,470 | 2,723,500 | Put | Sole | 2022-08-15 | |
| 2022-06-30 | $111,205,580 | 2,480,607 | Shares | Sole | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||