$LRCX

$237.46 +$7.36 (3.2%) Live

$LRCX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 1.25B shares outstanding

Who owns LRCX?

By type of holder

Institutions 85.8% Insiders 0.3% Everyone else 13.9%

Concentration Top 10 holders own 41.6%

BlackRock, Inc. 10.6% · Vanguard Capital Management LLC 6.5%

Institutional ownership

85.8%

+2.8 pts vs last qtr

Institutional holders

3,115

+490 vs last qtr

Net shares bought

+34.8M

by institutions in Q2 2026

New / sold out

623 / 133

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +18.1M
Jpmorgan Chase & Co +12.6M

Biggest sellers in Q2 2026

Janus Henderson Group PLC SOLD OUT −9.3M
Artisan Partners Limited Partnership −4.2M

Who is planning to sell?

Notices of proposed sale, last 12 months

$193M

23 notices from 10 people

Shares covered

749.9K

0.06% of the company

Arranged in advance

70%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Archer Timothy Officer 10b5-1 $64.2M
Brandt Eric Director $46.6M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

−31.4%

−4.10% a year

Each share's claim on the business

+45.7%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$27.3B vs $2.49B

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years94% Under 1 year6%

Quarterly turnover

8.7%

of institutional shares changed hands

Top 10 managers, median time held

1.5 years

Super Investors

Investment managers reporting LRCX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	132.7M	10.63%	−124.5K (−0.1%)	2024	0.9%
Shares held by quarter Peak holding134.3M (Q4'25) Change over 8 quarters+132.7M Share of the company10.630% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	81.7M	6.54%	+527.9K (+0.7%)	2024	0.8%
Shares held by quarter Peak holding81.7M (Q2'26) Change over 8 quarters+81.7M Share of the company6.540% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

132.7M

% of company

10.63%

Change vs last qtr

−124.5K (−0.1%)

Held since

2024

Vanguard Capital Management LLC

81.7M

% of company

6.54%

Change vs last qtr

+527.9K (+0.7%)

Held since

2024

28 more super investors behind a free account

See every manager holding Lam Research Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LRCX on Form N-PORT; together they hold 35.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$17.2B	39.7M	3.18%	0.75%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$14B	32.4M	2.59%	0.84%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$17.2B

% of company

3.18%

% of the fund

0.75%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$14B

% of company

2.59%

% of the fund

0.84%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Lam Research Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
AT Archer Timothy Insider	1.2M	0.10%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.100% Archer Timothy's insider activity →
BD Bettinger Douglas R Insider	1.1M	0.09%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.090% Bettinger Douglas R's insider activity →

Archer Timothy

Insider

1.2M

% of company

0.10%

Change vs last qtr

—

Held since

—

Bettinger Douglas R

Insider

1.1M

% of company

0.09%

Change vs last qtr

—

Held since

—

18 more holders behind a free account

See every insider and 5%+ holder of Lam Research Corporation.

Comments