Lam Research Corp. 13F holders
Of the 44 funds followed here, 17 reported a position in Lam Research Corp. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 34.5 million shares worth $14.92 billion, 0.8% of its reported book. New this quarter: Altimeter Capital Management, Duquesne Family Office, Baillie Gifford. Sold out: Third Point.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 34,506,240 | $14.92 billion | 0.8% | -669,686 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 33,677,858 | $14.59 billion | 0.6% | +103,016 | added | 30 June 2026 | 13F |
| Norges Bank | 18,123,399 | $7.85 billion | 0.8% | held | 30 June 2026 | 13F | |
| Coatue Management | 9,441,603 | $4.09 billion | 8.4% | -601,902 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 9,028,775 | $3.91 billion | 0.4% | +2,824,243 | added | 30 June 2026 | 13F |
| Tiger Global Management | 3,163,495 | $1.37 billion | 5.7% | -736,944 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 2,677,099 | $1.16 billion | 0.4% | -479,128 | trimmed | 30 June 2026 | 13F |
| Capital Research Global Investors | 1,702,812 | $737.8 million | 0.1% | -901,671 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 938,224 | $406.6 million | 1.7% | -633,005 | trimmed | 30 June 2026 | 13F |
| Whale Rock Capital Management | 742,638 | $321.8 million | 2.6% | -215,239 | trimmed | 30 June 2026 | 13F |
| Altimeter Capital Management | 394,080 | $170.8 million | 1.7% | +394,080 | new | 30 June 2026 | 13F |
| Appaloosa (Tepper) | 382,500 | $165.7 million | 2.1% | no change | held | 30 June 2026 | 13F |
| Two Sigma Investments | 250,752 | $108.7 million | 0.1% | -1,256,975 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 190,100 | $82.4 million | 0.1% | -20,813 | trimmed | 30 June 2026 | 13F |
| Duquesne Family Office | 43,600 | $18.9 million | 0.4% | +43,600 | new | 30 June 2026 | 13F |
| Renaissance Technologies | 31,600 | $13.7 million | 0.0% | +28,194 | added | 30 June 2026 | 13F |
| Baillie Gifford | 58 | $25,133 | 0.0% | +58 | new | 30 June 2026 | 13F |
| Third Point | 0 | $0 | 0.0% | -75,000 | exited | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 93.6 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 31 August 2026 | 5,204 | $301.90 | SEC |
| 28 August 2026 | 2,613 | $318.58 | SEC |
| 19 August 2026 | 5,225 | $327.92 | SEC |
| 17 August 2026 | 500 | $332.36 | SEC |
| 12 August 2026 | 2,883 | $311.41 | SEC |
| 10 August 2026 | 200 | $311.35 | SEC |
| 7 August 2026 | 11,765 | $305.77 | SEC |
| 6 August 2026 | 962 | $307.42 | SEC |
| 4 August 2026 | 2,588 | $294.61 | SEC |
| 29 July 2026 | 39,141 | $269.61 | SEC |
| 21 July 2026 | 245 | $306.76 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 39,141 on 29 July 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to LRCX by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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