# Lam Research (LRCX, LRCXEUR): value investors who own it

4 value investors held Lam Research in their Q3 2026 13F, led by Polen Capital Management, Appaloosa, Davis Selected Advisers, Mairs & Power.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Polen Capital Management | 3.2% | $372m | Trimmed -18% | 2 |
| Appaloosa | 2.1% | $166m | Unchanged | 7 |
| Davis Selected Advisers | 0.0% | $1.2m | Unchanged | 7 |
| Mairs & Power | 0.0% | $331k | New | 1 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-09-09 | ARCHER TIMOTHY | President and CEO | Sold | 30000 | $9.6m |
| 2026-09-09 | Mayer Bethany | Director | Sold | 9557 | $3.0m |
| 2026-09-02 | Varadarajan Seshasayee | Senior Vice President | Sold | 27480 | $8.0m |
| 2026-09-02 | Varadarajan Seshasayee | Senior Vice President | Sold | 20000 | $5.8m |
| 2026-09-02 | Varadarajan Seshasayee | Senior Vice President | Sold | 12270 | $3.6m |
| 2026-08-31 | Harter Ava | Chief Legal Officer | Sold | 5000 | $1.5m |
| 2026-08-06 | ARCHER TIMOTHY | President and CEO | Sold | 30000 | $9.0m |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/lrcx). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.