Position in WDC
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$643,191,039
+$488,337,408 QoQ
Shares Held
1,007,000
+75.9% QoQ
Ownership
0.279%
of shares outstanding
% of Portfolio
0.34%
of 13F equity value
Holder Rank
#42
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
$4,471,040
CallShares
7,000
PutValue
$0
PutShares
0
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, 2026CITIGROUP INC holds $2,765,699,455 across 23 Computer Hardware names. WDC ranks #2 (23.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
295,439 | $671,748,516 | |
| 2 | WDC |
Western Digital Corp
This page
|
1,007,000 | $643,191,039 | |
| 3 | STX |
Seagate Technology Holdings plc
|
457,832 | $441,807,880 | |
| 4 | ANET |
Arista Networks, Inc.
|
2,265,126 | $384,799,603 | |
| 5 | DELL |
Dell Technologies Inc.
|
815,164 | $351,710,658 | |
| 6 | SMCI |
Super Micro Computer, Inc.
|
3,242,161 | $95,092,581 | |
| 7 | LOGI |
Logitech International S.A.
|
855,028 | $80,406,832 | |
| 8 | HPQ |
Hp Inc
|
2,257,839 | $49,536,986 |
All Filings in WDC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,471,040 | 7,000 | Call | Defined | 2026-08-03 | |
| 2026-06-30 | $643,191,039 | 1,007,000 | Shares | Defined | 2026-08-03 | |
| 2026-03-31 | $4,057,350 | 15,000 | Put | Defined | 2026-05-11 | |
| 2026-03-31 | $154,853,631 | 572,493 | Shares | Defined | 2026-05-11 | |
| 2026-03-31 | $15,688,420 | 58,000 | Call | Defined | 2026-05-11 | |
| 2025-12-31 | $14,642,950 | 85,000 | Put | Defined | 2026-02-13 | |
| 2025-12-31 | $234,150,933 | 1,359,209 | Shares | Defined | 2026-02-13 | |
| 2025-12-31 | $53,059,160 | 308,000 | Call | Defined | 2026-02-13 | |
| 2025-09-30 | $61,230,600 | 510,000 | Put | Defined | 2025-11-10 | |
| 2025-09-30 | $59,129,550 | 492,500 | Call | Defined | 2025-11-10 | |
| 2025-09-30 | $214,287,047 | 1,784,833 | Shares | Defined | 2025-11-10 | |
| 2025-06-30 | $19,197,000 | 300,000 | Call | Defined | 2025-08-11 | |
| 2025-06-30 | $15,997,500 | 250,000 | Put | Defined | 2025-08-11 | |
| 2025-06-30 | $100,960,989 | 1,577,762 | Shares | Defined | 2025-08-11 | |
| 2025-03-31 | $3,650,829 | 90,300 | Call | Defined | 2025-05-12 | |
| 2025-03-31 | $2,021,500 | 50,000 | Put | Defined | 2025-05-12 | |
| 2025-03-31 | $41,837,851 | 1,034,822 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $10,137,097 | 170,000 | Call | Defined | 2025-02-12 | |
| 2024-12-31 | $33,137,338 | 555,716 | Shares | Defined | 2025-02-12 | |
| 2024-12-31 | $2,981,499 | 50,000 | Put | Defined | 2025-02-12 | |
| 2024-09-30 | $41,795,020 | 612,023 | Shares | Defined | 2024-11-12 | |
| 2024-09-30 | $11,609,291 | 170,000 | Call | Defined | 2024-11-12 | |
| 2024-09-30 | $3,414,497 | 50,000 | Put | Defined | 2024-11-12 | |
| 2024-06-30 | $25,231,430 | 333,000 | Put | Defined | 2024-08-12 | |
| 2024-06-30 | $75,050,093 | 990,498 | Shares | Defined | 2024-08-12 | |
| 2024-06-30 | $14,775,161 | 195,000 | Call | Defined | 2024-08-12 | |
| 2024-03-31 | $41,503,532 | 608,200 | Call | Defined | 2024-05-10 | |
| 2024-03-31 | $36,459,233 | 534,280 | Shares | Defined | 2024-05-10 | |
| 2024-03-31 | $5,663,915 | 83,000 | Put | Defined | 2024-05-10 | |
| 2023-12-31 | $3,927,752 | 75,000 | Call | Defined | 2024-02-09 | |
| 2023-12-31 | $53,810,987 | 1,027,515 | Shares | Defined | 2024-02-09 | |
| 2023-09-30 | $3,422,250 | 75,000 | Call | Defined | 2023-12-06 | |
| 2023-09-30 | $11,055,554 | 242,287 | Shares | Defined | 2023-12-06 | |
| 2023-06-30 | $14,729,700 | 388,339 | Shares | Defined | 2023-08-10 | |
| 2023-06-30 | $4,434,018 | 116,900 | Call | Defined | 2023-08-10 | |
| 2023-03-31 | $15,923,615 | 422,713 | Shares | Defined | 2023-05-11 | |
| 2023-03-31 | $15,000,211 | 398,200 | Call | Defined | 2023-05-11 | |
| 2022-12-31 | $18,750,053 | 594,297 | Shares | Defined | 2023-02-09 | |
| 2022-12-31 | $8,146,204 | 258,200 | Call | Defined | 2023-02-09 | |
| 2022-09-30 | $2,929,503 | 90,000 | Put | Defined | 2022-11-10 | |
| 2022-09-30 | $17,067,737 | 524,354 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $4,034,698 | 90,000 | Put | Defined | 2022-08-10 | |
| 2022-06-30 | $22,781,072 | 508,166 | Shares | Defined | 2022-08-10 | |
| 2022-06-30 | $3,765,718 | 84,000 | Call | Defined | 2022-08-10 | |
| 2022-03-31 | $31,927,044 | 643,043 | Shares | Defined | 2022-05-12 | |
| 2022-03-31 | $31,775,962 | 640,000 | Put | Defined | 2022-05-12 | |
| 2021-12-31 | $24,192,913 | 371,000 | Put | Defined | 2022-02-10 | |
| 2021-12-31 | $31,573,835 | 484,187 | Shares | Defined | 2022-02-10 | |
| 2021-09-30 | $23,075,029 | 408,842 | Shares | Defined | 2021-11-10 | |
| 2021-09-30 | $20,205,509 | 358,000 | Put | Defined | 2021-11-10 | |
| No filing history on record for this holder in this stock. | ||||||