LAM RESEARCH CORP (LRCX)

Super-investor holdings · 2026 Q2

Source: SEC Form 13F filings for the quarter ended Jun 30, 2026. Change labels compare each fund’s 2026 Q2 filing with its previous filing. 13F filings cover long positions only and arrive up to 45 days after quarter-end.

Exited this quarter: Third Point.

All institutions · Form 13F

Source: SEC Form 13F data sets — every filer's latest report for the quarter ended Jun 30, 2026, not just the tracked funds above; changes compare with the quarter ended Mar 31, 2026. Share counts and values are summed as reported in the filings (a small number of filers report values in thousands of dollars, so value totals are as-filed sums).

Insider trading · Form 4

0 insiders bought on the open market in the last 90 days (0 purchases, $0), against 9 sales by 5 insiders ($58.3M).

Source: SEC Form 4 filings, as of Oct 3, 2026. Open-market transactions only.

Politician trading · U.S. House

0 House members reported buying (0 purchases vs 2 sales).

Source: U.S. House Clerk STOCK Act periodic transaction reports, as of Oct 3, 2026. Reported amounts are ranges, and reports can arrive up to 45 days after the trade. Senate reports are not included yet.

Screens & lenses

Financial Screens

· Buffett — Companies with high ROE sustained for more than a decade

· Graham — Sound finances and a long run of profits

· Piotroski — Financial health improved over the past year

· O'Neil CAN SLIM — Explosive earnings growth leaders

· Gross Profitability (Novy-Marx) — High gross profit relative to total assets

· Earnings Quality (Cash Conversion) — Profits that actually come back as cash

· Earnings Stability — Small earnings swings and almost no loss years

Chart Signals

· Monthly Uptrend — Price above its 12-month moving average

· Top Relative Strength — Top 20% of the universe by 6-month return

Red Flags

· Earnings Manipulation Suspect (Beneish) — Beneish M-Score above -1.78

· Auditor Change (8-K 4.01) — Last 2 years: an auditor change filing (8-K Item 4.01)

Key figures

· Buffett — Latest ROE: 58.3% · Years ROE ≥15% (of 10): 10 · 10-yr avg ROE: 50.2% · Latest net income: $7.3B

· Graham — Current ratio: 2.63 · Straight profitable years: 17 · Debt ratio: 0.89 · Latest net income: $7.3B

· Piotroski — F-score: 8 · Return on assets: 30.9% · Operating cash flow: $5.9B

· O'Neil CAN SLIM — 3-yr EPS growth: 20.2% · ROE: 58.3% · Latest revenue growth: 26.0%

· Gross Profitability (Novy-Marx) — Gross profit / assets: 49.8% · Gross margin: 50.5%

· Earnings Quality (Cash Conversion) — Cash conversion (3-yr avg): 1.06 · Operating cash flow: $5.9B · Net income: $7.3B

· Earnings Stability — Earnings variation (CV): 0.43 · Loss years (of 10): 0 · Latest net income: $7.3B

· Earnings Manipulation Suspect (Beneish) — M-Score: -1.66 · Receivables index: 1.25 · Margin deterioration: 0.96 · Sales growth index: 1.26 · Accruals ratio: 6.0%

· Auditor Change (8-K 4.01) — Latest event: Sep 11, 2025 · Events in 2 yrs: 1

Financial screens are computed from SEC company financial statements; red-flag models are screens, not verdicts — see Methodology.

Signal record

· Politician BEST — appeared in 6 of the last 20 quarterly lists; latest 2026 Q1, ranked #40 of 50.

Measured from SEC 13F filings: entry at the close on the first trading day after each quarter’s filing deadline, exit one quarter later on the same rule, dividend-adjusted closes. Past records do not guarantee future results — see Track Record and Methodology.