Skip to main content

MILLENNIUM MANAGEMENT LLC

Position in WDC — Western Digital Corp

CIK 1273087 NEW YORK, NY

Position in WDC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$75,102,359
+$20,457,454 QoQ
Shares Held
277,653
-12.5% QoQ
Ownership
0.081%
of shares outstanding
% of Portfolio
0.07%
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, 2026
CallValue
$43,116,106
CallShares
159,400
PutValue
$80,335,530
PutShares
297,000

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 Mar 31, 2026

MILLENNIUM MANAGEMENT LLC holds $1,228,493,894 across 18 Computer Hardware names. WDC ranks #4 (6.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 WDC
Western Digital Corp
This page
277,653 $75,102,359

All Filings in WDC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $80,335,530 297,000
2026-03-31 $75,102,359 277,653
2026-03-31 $43,116,106 159,400
2025-12-31 $27,614,881 160,300
2025-12-31 $54,644,905 317,205
2025-12-31 $51,198,644 297,200
2025-09-30 $147,892,909 1,231,825
2025-09-30 $35,381,682 294,700
2025-09-30 $9,928,962 82,700
2025-06-30 $23,953,760 374,336
2025-06-30 $22,185,333 346,700
2025-06-30 $7,294,860 114,000
2025-03-31 $15,169,336 375,200
2025-03-31 $3,458,786 85,550
2025-03-31 $13,540,007 334,900
2024-12-31 $27,624,506 612,900
2024-12-31 $51,024,072 1,132,062
2024-12-31 $8,640,264 191,700
2024-09-30 $14,587,105 282,600
2024-09-30 $8,300,094 160,800
2024-09-30 $135,314,037 2,621,476
2024-06-30 $22,576,385 394,200
2024-06-30 $6,208,219 108,400
2024-06-30 $287,004,911 5,011,313
2024-03-31 $9,237,924 179,100
2024-03-31 $31,241,824 605,700
2024-03-31 $246,148,902 4,772,205
2023-12-31 $45,585,279 1,151,600
2023-12-31 $414,982,840 10,483,521
2023-12-31 $20,069,240 507,000
2023-09-30 $20,480,043 593,800
2023-09-30 $226,473,788 6,566,399
2023-09-30 $39,749,494 1,152,500
2023-06-30 $189,476,413 6,608,943
2023-06-30 $26,100,894 910,400
2023-06-30 $29,544,125 1,030,500
2023-03-31 $24,862,798 873,200
2023-03-31 $63,976,433 2,246,900
2023-03-31 $230,645,448 8,100,440
2022-12-31 $35,050,761 1,469,800
2022-12-31 $55,614,288 2,332,100
2022-12-31 $74,113,306 3,107,828
2022-09-30 $42,808,829 1,739,970
2022-09-30 $21,188,275 861,200
2022-09-30 $64,758,082 2,632,100
2022-06-30 $92,286,069 2,723,500
2022-06-30 $84,055,616 2,480,607
2022-06-30 $5,465,666 161,300
2022-03-31 $57,017,384 1,519,317
2022-03-31 $95,171,768 2,536,000