LRCX LAM RESEARCH CORP

Ownership history in HM PAYSON & CO  ·  25 quarters on record

AI Ownership Summary

HM PAYSON & CO reported LAM RESEARCH CORP (LRCX) in 25 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 2.71% in 2025 Q4. The latest visible filing shows LRCX at 2.71% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this LRCX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was HM PAYSON & CO's position in LAM RESEARCH CORP, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

LRCX was reported at 2.71% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.71% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How HM PAYSON & CO held LRCX — position size vs. price
% of Fund (quarterly)    LRCX price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 1,121,345 -171,361 -13.3% 2.71% $192.0M 2026-02-14 (Est.) $235.25
2025 Q3 ADDED 1,292,706 +132,304 +11.4% 2.49% $173.1M 2025-10-17 $141.11
2025 Q1 ADDED 1,160,402 +14,125 +1.2% 1.48% $84.4M 2025-04-29 $70.38
2024 Q4 ADDED 1,146,277 +1,035,549 +935.2% 1.40% $82.8M 2025-02-07 $81.49
2024 Q3 ADDED 110,728 +7,339 +7.1% 1.55% $90.4M 2024-10-28 $74.45
2024 Q2 REDUCED 103,389 -4,256 -4.0% 2.00% $110.1M 2024-08-13 $82.71
2024 Q1 REDUCED 107,645 -14,986 -12.2% 1.94% $104.6M 2024-06-20 $104.40
2023 Q4 REDUCED 122,631 -2,765 -2.2% 1.99% $96.1M 2024-02-13 $87.45
2023 Q3 REDUCED 125,396 -7,117 -5.4% 1.84% $78.6M 2023-11-06 $62.44
16 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About HM PAYSON & CO and LRCX

These are the practical questions this page is built to answer before you even open the full history table.

How long has HM PAYSON & CO reported owning LRCX?

HM PAYSON & CO reported LRCX across 9 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported LRCX position in HM PAYSON & CO's portfolio?

The largest reported portfolio weight for LRCX was 2.71% in 2025 Q4.

What is the latest reported LRCX position on this page?

The most recent filing on this page is 2025 Q4, when HM PAYSON & CO reported 1,121,345 shares, equal to 2.71% of portfolio, with an estimated market value of $192.0M.

What does the chart on this LRCX ownership page compare?

The chart compares HM PAYSON & CO's quarterly LRCX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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