§ SEMICONDUCTORS
USD · Semiconductors

LRCX

LAM RESEARCH CORP
USDSector · SemiconductorsMarket cap · $272.8BBeta · 1.83
LAST · MARKET CLOSE · SEP 18
278.15
+8.84 ▲ 3.28%PREV CLOSE · $269.31
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 274.01HIGH 280.56LOW 272.6452W 56.32 — 256.68
EVENTSAUG 07 · AT SELL

§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY

13F FLOW
1278 increased/new, 1054 decreased/exited (13F)
AC 13F Analysis
INSIDER
−$27M
3 txns · 90d
ANALYST
31 buy, 10 hold, 0 sell
Finnhub

§ 04 · FUNDAMENTALS · THE BOOKS

P/E43.9P/B12.52
EPS (TTM)4.88Dividend0.49%
§ 05 · WHO OWNS IT
Top institutional holders
All holders →
FundShares% portΔ Q/Q
VANGUARD CAPITAL MANAGEMENT LLC81.2M0.2%n/a
VANGUARD CAPITAL MANAGEMENT LLC81.2M0.2%n/a
State Street59.2M0.4%−1%
BlackRock, Inc.55.6M0.2%−1%
VANGUARD PORTFOLIO MANAGEMENT LLC37.1M0.4%n/a
Geode Capital Management31.3M0.4%+4%
AC INTELLIGENCE

Top institutional owners for LRCX as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.

§ 06 · WHO OWNS IT · BY STRATEGY

OTHER8.4% · 0 holders
OTHER33.9% · 2,296 holders
PASSIVE / INDEX17.7% · 15 holders
DEALER / BANK17.4% · 128 holders
QUALITY / COMPOUNDER14.7% · 49 holders
INCOME / DEFENSIVE2.9% · 71 holders
SYSTEMATIC / QUANT2.1% · 26 holders
TACTICAL / MACRO1.3% · 8 holders
GROWTH / MOMENTUM0.9% · 2 holders
DEEP VALUE0.6% · 4 holders
ACTIVIST0.1% · 1 holder
AC INTELLIGENCE

Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.

§ 07 · INSIDER ACTIVITY · LAST 180 DAYS

DateInsiderActionShares$ value
AUG 07ARCHER TIMOTHYSELL30K−$9M
JUL 14TALWALKAR ABHIJIT YSELL18K−$6M
JUL 06ARCHER TIMOTHYSELL30K−$12M
JUN 15BRANDT ERICSELL2K−$597K
JUN 02Fernandes Neil JSELL8K−$2M
MAY 04Fernandes Neil JSELL18K−$5M
AC INTELLIGENCE

0 insider buys, 7 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.

§ 08 · COVERAGE · OUR RECENT NOTES

No notes mention LRCX yet.