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Westmount Partners, LLC

Position in LRCX — Lam Research Corp

CIK 2051491 LOS ANGELES, CA

Position in LRCX

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$1,413,955
+$745,200 QoQ
Shares Held
3,263
+4.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.47%
of 13F equity value
Holder Rank
#1,676
of 3,103 holders
Holding Since
Dec 2023
10 quarters on record
Voting authority Sole 75% Shared 0% None 25%

Common Shares in LRCX Over Time

Shares Held

Position Value (USD)

Derivatives in LRCX

reported options exposure · as of Jun 30, 2026
CallValue
$216,665
CallShares
500
PutValue
$0
PutShares
0

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 Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

Westmount Partners, LLC holds $2,786,937 across 4 Semiconductor Equipment & Materials names. LRCX ranks #1 (50.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LRCX
Lam Research Corp
This page
3,263 $1,413,955

All Filings in LRCX

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,413,955 3,263
2026-06-30 $216,665 500
2026-03-31 $668,755 3,130
2025-12-31 $529,973 3,096
2025-09-30 $414,554 3,096
2025-06-30 $301,267 3,095
2025-03-31 $225,006 3,095
2024-09-30 $252,984 310
2024-06-30 $332,233 312
2024-03-31 $320,618 330
2023-12-31 $242,027 309