SUSQUEHANNA INTERNATIONAL GROUP, LLP
Position in WDC — Western Digital Corp
CIK 1446194
BALA CYNWYD, PA
Position in WDC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$153,862,285
+$113,561,270 QoQ
Shares Held
568,828
+143.2% QoQ
Ownership
0.165%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Derivatives in WDC
reported options exposure · as of Mar 31, 2026CallValue
$1,083,123,107
CallShares
4,004,300
PutValue
$1,220,315,635
PutShares
4,511,500
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, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,085,950,347 across 27 Computer Hardware names. WDC ranks #2 (14.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
986,344 | $626,663,795 | |
| 2 | WDC |
Western Digital Corp
This page
|
568,828 | $153,862,285 | |
| 3 | STX |
Seagate Technology Holdings plc
|
170,188 | $66,672,850 | |
| 4 | DELL |
Dell Technologies Inc.
|
366,921 | $60,222,743 | |
| 5 | ANET |
Arista Networks, Inc.
|
273,663 | $33,600,343 | |
| 6 | IONQ |
IonQ, Inc.
|
1,075,857 | $31,016,957 | |
| 7 | QBTS |
D-Wave Quantum Inc.
|
1,734,355 | $25,026,742 | |
| 8 | HPQ |
Hp Inc
|
1,245,486 | $23,925,786 |
All Filings in WDC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | $9,768,230 | 216,726 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $73,782,536 | 1,637,000 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $171,299,882 | 3,800,600 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $100,891,565 | 1,954,600 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $184,831,943 | 3,580,800 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $12,528,495 | 242,718 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $93,518,468 | 1,632,900 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $191,469,743 | 3,343,200 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $18,934,554 | 330,611 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $5,864,249 | 113,693 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $198,040,256 | 3,839,500 | Call | Defined | 2024-05-07 | |
| 2024-03-31 | $69,354,063 | 1,344,600 | Put | Defined | 2024-05-07 | |
| 2023-12-31 | $30,852,002 | 779,400 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $68,544,172 | 1,731,600 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $10,260,804 | 259,214 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $56,687,434 | 1,643,600 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $14,198,140 | 411,662 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $54,324,882 | 1,575,100 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $48,004,545 | 1,674,400 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $10,649,933 | 371,470 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $43,861,772 | 1,529,900 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $45,001,891 | 1,580,500 | Call | Defined | 2023-05-16 | |
| 2023-03-31 | $23,524,187 | 826,187 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $48,874,246 | 1,716,500 | Put | Defined | 2023-05-16 | |
| 2022-12-31 | $33,565,074 | 1,407,500 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $16,381,783 | 686,945 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $38,568,236 | 1,617,300 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $18,937,082 | 769,700 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $24,291,254 | 987,321 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $47,284,889 | 1,921,900 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $3,031,834 | 89,474 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $66,784,142 | 1,970,900 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $55,134,445 | 1,627,100 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $78,002,571 | 2,078,500 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $25,129,512 | 669,615 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||