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Laurion Capital Management LP

Position in WDC — Western Digital Corp

CIK 1390202 NEW YORK, NY

Position in WDC

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$8,952,938
+$7,376,252 QoQ
Shares Held
14,017
+140.5% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.68%
of 13F equity value
Holder Rank
#471
of 1,836 holders
Holding Since
Mar 2020
8 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, 2026
CallValue
$4,790,400
CallShares
7,500
PutValue
$17,117,696
PutShares
26,800

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

Laurion Capital Management LP holds $16,965,009 across 5 Computer Hardware names. WDC ranks #1 (52.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WDC
Western Digital Corp
This page
14,017 $8,952,938

All Filings in WDC

Export CSV
14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $17,117,696 26,800
2026-06-30 $4,790,400 7,500
2026-06-30 $8,952,938 14,017
2026-03-31 $1,576,686 5,829
2024-09-30 $323,284 4,734
2024-06-30 $166,694 2,200
2024-06-30 $2,333,717 30,800
2021-12-31 $358,915 5,504
2021-03-31 $380,474 5,700
2020-06-30 $3,038,312 68,818
2020-06-30 $151,000 115,000
2020-03-31 $2,255,803 54,200
2020-03-31 $9,930,530 238,600
2020-03-31 $9,315,553 223,824