Position in WDC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$727,139,332
-$255,026,718 QoQ
Shares Held
2,688,230
-52.8% QoQ
Ownership
0.780%
of shares outstanding
% of Portfolio
0.64%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.40481283223534.ToString("F0")%
Shared 0.ToString("F0")%
None 0.595187167764663.ToString("F0")%
Common Shares in WDC Over Time
Shares Held
Position Value (USD)
Derivatives in WDC
reported options exposure · as of Mar 31, 2026CallValue
$32,269,457
CallShares
119,300
PutValue
$304,355,348
PutShares
1,125,200
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, 2026D. E. Shaw & Co., Inc. holds $2,509,565,439 across 17 Computer Hardware names. WDC ranks #2 (29.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
1,172,928 | $745,208,074 | |
| 2 | WDC |
Western Digital Corp
This page
|
2,688,230 | $727,139,332 | |
| 3 | STX |
Seagate Technology Holdings plc
|
1,289,573 | $505,203,118 | |
| 4 | RGTI |
Rigetti Computing, Inc.
|
13,922,073 | $195,465,904 | |
| 5 | ANET |
Arista Networks, Inc.
|
992,305 | $121,835,207 | |
| 6 | IONQ |
IonQ, Inc.
|
1,901,383 | $54,816,871 | |
| 7 | LOGI |
Logitech International S.A.
|
500,785 | $45,631,529 | |
| 8 | P |
Everpure, Inc.
|
638,396 | $37,690,899 |
All Filings in WDC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $727,139,332 | 2,688,230 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $32,269,457 | 119,300 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $304,355,348 | 1,125,200 | Put | Defined | 2026-05-15 | |
| 2025-12-31 | $982,166,050 | 5,701,318 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $62,241,151 | 361,300 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $143,328,640 | 832,000 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $1,155,615,438 | 9,625,316 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $53,882,928 | 448,800 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $34,817,400 | 290,000 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $13,911,426 | 217,400 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $11,166,255 | 174,500 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $186,029,232 | 2,907,161 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $13,891,748 | 343,600 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $1,184,719 | 29,303 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $9,015,890 | 223,000 | Call | Defined | 2025-05-15 | |
| 2024-12-31 | $20,331,888 | 451,100 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $17,349,306 | 384,926 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $17,424,757 | 386,600 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $33,943,668 | 657,600 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $32,715,841 | 633,813 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $21,601,923 | 418,500 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $121,635,404 | 2,123,842 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $79,005,896 | 1,379,500 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $20,079,352 | 350,600 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $9,480,348 | 183,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $21,730,527 | 421,300 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $130,613,365 | 2,532,263 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $16,558,112 | 418,300 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $108,197,191 | 2,733,336 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $11,962,375 | 302,200 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $2,807,469 | 81,400 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $4,727,758 | 137,077 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $10,978,103 | 318,300 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $18,303,481 | 638,426 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $8,205,268 | 286,200 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $2,806,763 | 97,900 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $6,788,010 | 238,400 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $3,836,165 | 134,729 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $7,488,451 | 263,000 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $12,524,601 | 525,200 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $7,824,299 | 328,100 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $15,077,168 | 632,238 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $5,326,592 | 216,500 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $13,256,204 | 538,800 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $4,745,883 | 192,897 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $11,680,193 | 344,700 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $7,077,106 | 208,856 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $4,835,403 | 142,700 | Call | Defined | 2022-08-15 | |
| 2022-03-31 | $48,585,487 | 1,294,636 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $11,487,412 | 306,100 | Call | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||