# LAM RESEARCH CORP (LRCX) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 512807306
Page URL: https://superinvestorclub.com/stock/LRCX
Last updated: 2026-08-29T13:48:19.287Z

## Summary

As of the most recent 13F filing period, LAM RESEARCH CORP (LRCX) is held by 13 tracked superinvestors with an aggregate position value of $6.43B representing 094416033163495938224859036382500436004360408327801566816765624 shares.

## Top institutional holders (13)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Philippe Laffont](https://superinvestorclub.com/manager/60) | Coatue Management | 9441603 | $4.09B | 8.41% | 2026-06-30 |
| 2 | [Chase Coleman](https://superinvestorclub.com/manager/20) | Tiger Global Management | 3163495 | $1.37B | 5.72% | 2026-06-30 |
| 3 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 938224 | $406.6M | 1.67% | 2026-06-30 |
| 4 | [Polen Capital](https://superinvestorclub.com/manager/271) | Polen Capital Management | 859036 | $372.2M | 3.21% | 2026-06-30 |
| 5 | [David Tepper](https://superinvestorclub.com/manager/8) | Appaloosa Management | 382500 | $165.7M | 2.15% | 2026-06-30 |
| 6 | [Stanley Druckenmiller](https://superinvestorclub.com/manager/19) | Duquesne Family Office | 43600 | $18.9M | 0.36% | 2026-06-30 |
| 7 | [Dan Sundheim (Mine & Arao)](https://superinvestorclub.com/manager/3261) | Mine & Arao Wealth Creation & Management | 4360 | $1.9M | 0.68% | 2026-06-30 |
| 8 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 4083 | $1.8M | 0.02% | 2026-06-30 |
| 9 | [Christopher Davis](https://superinvestorclub.com/manager/75) | Davis Selected Advisers | 2780 | $1.2M | 0.01% | 2026-06-30 |
| 10 | [Wally Obermeyer](https://superinvestorclub.com/manager/3283) | Obermeyer Wealth Partners | 1566 | $678,595 | 0.03% | 2026-06-30 |
| 11 | [Sarah Ketterer](https://superinvestorclub.com/manager/293) | Causeway Capital Management | 816 | $353,597 | 0.00% | 2026-06-30 |
| 12 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 765 | $331,497 | 0.00% | 2026-06-30 |
| 13 | [FPA Queens Road](https://superinvestorclub.com/manager/97) | Bragg Financial Advisors | 624 | $270,398 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-12-31: 8 holders, $939.7M aggregate, 04046370395770025333991250000693815511765122805000 shares
- 2025-03-31: 9 holders, $1.23B aggregate, 0820956944247001960237706615695449500000403000122805000 shares
- 2025-06-30: 8 holders, $1.81B aggregate, 0105074925260328163878070661540000016438122805000 shares
- 2025-09-30: 8 holders, $2.61B aggregate, 099544925260328346398042789037000016560122805000 shares
- 2025-12-31: 8 holders, $3.10B aggregate, 0980556539004393041661633084425000295377122805010 shares
- 2026-03-31: 9 holders, $3.64B aggregate, 01004350539004391571229105449538250075000471027801324 shares
- 2026-06-30: 13 holders, $6.43B aggregate, 094416033163495938224859036382500436004360408327801566816765624 shares

## Recent congressional trades (50)

- 2026-06-05: David J. Taylor (R-OH) sale $1,001 - $15,000
- 2026-04-27: David J. Taylor (R-OH) sale $1,001 - $15,000
- 2026-03-12: David J. Taylor (R-OH) purchase $1,001 - $15,000
- 2026-02-26: David J. Taylor (R-OH) sale $1,001 - $15,000
- 2026-02-03: Cleo Fields (Democrat-LA) purchase $15,001 - $50,000
- 2026-01-16: David J. Taylor (R-OH) sale $1,001 - $15,000
- 2026-01-16: David Taylor (Republican-OH) sale $1,001 - $15,000
- 2026-01-08: David J. Taylor (R-OH) sale $15,001 - $50,000
- 2026-01-08: David Taylor (Republican-OH) sale $15,001 - $50,000
- 2026-01-08: John Boozman (Republican-AR) sale $1,001 - $15,000
- 2025-12-29: Markwayne Mullin (Republican-OK) purchase $50,001 - $100,000
- 2025-09-23: Valerie Hoyle (D-OR) sale $1,001 - $15,000
- 2025-09-22: David J. Taylor (R-OH) sale $1,001 - $15,000
- 2025-09-03: Jonathan Jackson (Democrat-IL) sale $1,001 - $15,000
- 2025-08-28: Sheldon Whitehouse (Democrat-RI) sale $15,001 - $50,000

## Recent insider transactions (0)


## Citation

When citing, use: "LAM RESEARCH CORP (LRCX) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/LRCX), aggregating SEC 13F, Form 4, and congressional disclosures."