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D. E. Shaw & Co., Inc.

Position in WDC — Western Digital Corp

CIK 1009207 New York, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,214,709,391
+$487,570,059 QoQ
Shares Held
1,901,787
-29.3% QoQ
Ownership
0.527%
of shares outstanding
% of Portfolio
0.81%
of 13F equity value
Holder Rank
#27
of 1,836 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in WDC Over Time

Shares Held

Position Value (USD)

Derivatives in WDC

reported options exposure · as of Jun 30, 2026
CallValue
$116,949,632
CallShares
183,100
PutValue
$500,884,224
PutShares
784,200

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 Jun 30, 2026

D. E. Shaw & Co., Inc. holds $4,959,685,074 across 17 Computer Hardware names. WDC ranks #3 (24.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WDC
Western Digital Corp
This page
1,901,787 $1,214,709,391

All Filings in WDC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $500,884,224 784,200
2026-06-30 $1,214,709,391 1,901,787
2026-06-30 $116,949,632 183,100
2026-03-31 $727,139,332 2,688,230
2026-03-31 $32,269,457 119,300
2026-03-31 $304,355,348 1,125,200
2025-12-31 $982,166,050 5,701,318
2025-12-31 $62,241,151 361,300
2025-12-31 $143,328,640 832,000
2025-09-30 $1,155,615,438 9,625,316
2025-09-30 $53,882,928 448,800
2025-09-30 $34,817,400 290,000
2025-06-30 $13,911,426 217,400
2025-06-30 $11,166,255 174,500
2025-06-30 $186,029,232 2,907,161
2025-03-31 $13,891,748 343,600
2025-03-31 $1,184,719 29,303
2025-03-31 $9,015,890 223,000
2024-12-31 $26,899,089 451,100
2024-12-31 $22,953,133 384,926
2024-12-31 $23,052,954 386,600
2024-09-30 $44,907,472 657,600
2024-09-30 $43,283,059 633,813
2024-09-30 $28,579,345 418,500
2024-06-30 $160,923,639 2,123,842
2024-06-30 $104,524,800 1,379,500
2024-06-30 $26,564,983 350,600
2024-03-31 $12,542,501 183,800
2024-03-31 $28,749,488 421,300
2024-03-31 $172,801,482 2,532,263
2023-12-31 $21,906,383 418,300
2023-12-31 $143,144,885 2,733,336
2023-12-31 $15,826,222 302,200
2023-09-30 $3,714,282 81,400
2023-09-30 $6,254,824 137,077
2023-09-30 $14,524,030 318,300
2023-06-30 $24,215,506 638,426
2023-06-30 $10,855,569 286,200
2023-06-30 $3,713,348 97,900
2023-03-31 $8,980,538 238,400
2023-03-31 $5,075,247 134,729
2023-03-31 $9,907,221 263,000
2022-12-31 $16,570,048 525,200
2022-12-31 $10,351,547 328,100
2022-12-31 $19,947,094 632,238
2022-09-30 $7,047,082 216,500
2022-09-30 $17,537,958 538,800
2022-09-30 $6,278,803 192,897
2022-06-30 $15,452,896 344,700
2022-06-30 $9,363,011 208,856