Lam Research Corp
LRCX- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- SEC CIK
- 0000707549
In the last 90 days, Lam Research Corp insiders filed 0 open-market purchases and 7 sales; 3,142 institutions reported holding it in 13F filings for Q2 2026, worth $463.5B in total; 6 superinvestors hold it, including Coatue Management and Tiger Global Management.
Holders of 5% or more of LRCX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Lam Research Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Group Inc | 13G/A | 10.06%129.1M shares | 0.00 ppfrom 10.06% | Apr 7, 20252 filings | Apr 8, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Lam Research Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 8, 20252:23 PM ET | Vanguard Group Inc | 13G/A | 10.06%129.1M shares | 0.00 ppfrom 10.06% | Mar 31, 2025 | SEC |
| Apr 7, 202512:08 PM ET | Vanguard Group Inc | 13G | 10.06%129.1M shares | New | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Lam Research Corp shares.
No Form 144 notices for Lam Research Corp are on file.