SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in WDC — Western Digital Corp
CIK 1446194
BALA CYNWYD, PA
Position in WDC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$329,394,291
+$175,532,006 QoQ
Shares Held
515,710
-9.3% QoQ
Ownership
0.143%
of shares outstanding
% of Portfolio
0.34%
of 13F equity value
Holder Rank
#76
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
$2,848,180,224
CallShares
4,459,200
PutValue
$3,998,387,200
PutShares
6,260,000
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 Jun 30, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,950,502,025 across 29 Computer Hardware names. WDC ranks #2 (16.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
321,773 | $731,624,923 | |
| 2 | WDC |
Western Digital Corp
This page
|
515,710 | $329,394,291 | |
| 3 | STX |
Seagate Technology Holdings plc
|
288,385 | $278,291,525 | |
| 4 | DELL |
Dell Technologies Inc.
|
475,747 | $205,265,800 | |
| 5 | ANET |
Arista Networks, Inc.
|
967,799 | $164,409,693 | |
| 6 | IONQ |
IonQ, Inc.
|
1,052,066 | $56,033,035 | |
| 7 | QBTS |
D-Wave Quantum Inc.
|
1,516,874 | $36,389,807 | |
| 8 | SMCI |
Super Micro Computer, Inc.
|
1,190,223 | $34,909,239 |
All Filings in WDC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,848,180,224 | 4,459,200 | Call | Other | 2026-08-14 | |
| 2026-06-30 | $3,998,387,200 | 6,260,000 | Put | Other | 2026-08-14 | |
| 2026-06-30 | $329,394,291 | 515,710 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $1,083,123,107 | 4,004,300 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $1,220,315,635 | 4,511,500 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $153,862,285 | 568,828 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $619,396,785 | 3,595,500 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $654,901,632 | 3,801,600 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $40,301,015 | 233,941 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $32,674,809 | 272,154 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $365,798,808 | 3,046,800 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $384,972,390 | 3,206,500 | Put | Other | 2025-11-14 | |
| 2025-06-30 | $6,192,440 | 96,772 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $92,145,600 | 1,440,000 | Put | Other | 2025-08-14 | |
| 2025-06-30 | $163,372,869 | 2,553,100 | Call | Other | 2025-08-14 | |
| 2025-03-31 | $159,205,254 | 3,937,800 | Call | Other | 2025-05-14 | |
| 2025-03-31 | $48,645,376 | 1,203,200 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $10,103,699 | 249,906 | Shares | Other | 2025-05-14 | |
| 2024-12-31 | $12,923,369 | 216,726 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $97,614,295 | 1,637,000 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $226,629,744 | 3,800,600 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $133,479,540 | 1,954,600 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $244,532,661 | 3,580,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $16,575,200 | 242,718 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $123,724,933 | 1,632,900 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $253,314,470 | 3,343,200 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $25,050,416 | 330,611 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $7,758,402 | 113,693 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $262,007,260 | 3,839,500 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $91,755,426 | 1,344,600 | Put | Defined | 2024-05-07 | |
| 2023-12-31 | $40,817,199 | 779,400 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $90,683,941 | 1,731,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $13,575,044 | 259,214 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $74,997,475 | 1,643,600 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $18,784,139 | 411,662 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $71,871,820 | 1,575,100 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $63,510,012 | 1,674,400 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $14,089,861 | 371,470 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $58,029,126 | 1,529,900 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $59,537,503 | 1,580,500 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $31,122,499 | 826,187 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $64,660,628 | 1,716,500 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $44,406,592 | 1,407,500 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $21,673,099 | 686,945 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $51,025,778 | 1,617,300 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $25,053,760 | 769,700 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $32,137,330 | 987,321 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $62,557,908 | 1,921,900 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $4,011,118 | 89,474 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $88,355,420 | 1,970,900 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||