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Lam Research Corp (LRCX) Institutional Ownership & Insider Trading History

Top LRCX institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Section freshness

Price Jun 24, 1:30 PM EDT · Statements Mar 30, 8:00 PM EDT

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Data freshness

Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.

Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

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Ownership read

LRCX insider sentiment: Net selling.

BLACKROCK is the largest institutional holder. 52 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Review insider tradesView institutions

Insider flow

LRCX

Purchases—
Sales11.83M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

132.85M

BLACKROCK

Insider stance

Net selling

$3.83B sold / — bought

Latest filing

Jun 12, 2026

Most recent holder or insider filing date

Filings shown

240

120 holder / 120 insider

Holder rows
120
Market data source
Latest filing
Jun 12, 2026
Most recent holder or insider filing date
Increased / initiated
51
68 decreased
Insider rows
120
Market data source

Top 120 institutional holders

Lam Research Corp (LRCX) institutional ownership

Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.

BLACKROCK

Rank #1

10.7%

Shares
132.85M
Change
-1.41M
Change %
-105.00%
Filing
Mar 31, 2026

Decreased

VANGUARD GROUP INC

Rank #2

10.5%

Shares
131.19M
Change
+211.12K
Change %
+16.00%
Filing
Dec 31, 2025

Increased

VANGUARD CAPITAL MANAGEMENT LLC

Rank #3

6.51%

Shares
81.16M
Change
+81.16M
Change %
—
Filing
Mar 31, 2026

Initiated

STATE STREET CORP

Rank #4

4.74%

Shares
59.16M
Change
-527.78K
Change %
-88.00%
Filing
Mar 31, 2026

Decreased

VANGUARD PORTFOLIO MANAGEMENT LLC

Rank #5

2.97%

Shares
37.06M
Change
+37.06M
Change %
—
Filing
Mar 31, 2026

Initiated

GEODE CAPITAL MANAGEMENT

Rank #6

2.82%

Shares
35.18M
Change
+1.43M
Change %
+4.23%
Filing
Mar 31, 2026

Increased

FMR LLC

Rank #7

2.69%

Shares
33.57M
Change
+6.89M
Change %
+25.84%
Filing
Mar 31, 2026

Increased

JPMORGAN CHASE & CO

Rank #8

2.62%

Shares
32.71M
Change
+9.20M
Change %
+39.15%
Filing
Mar 31, 2026

Increased

INVESCO LTD.

Rank #9

1.95%

Shares
24.26M
Change
+1.43M
Change %
+6.29%
Filing
Mar 31, 2026

Increased

NORGES BANK

Rank #10

1.71%

Shares
21.30M
Change
+1.83M
Change %
+9.41%
Filing
Dec 31, 2025

Increased

AMERIPRISE FINANCIAL INC

Rank #11

1.67%

Shares
20.79M
Change
-2.46M
Change %
-10.59%
Filing
Mar 31, 2026

Decreased

MORGAN STANLEY

Rank #12

1.52%

Shares
18.97M
Change
-914.88K
Change %
-4.60%
Filing
Mar 31, 2026

Decreased

NORTHERN TRUST CORP

Rank #13

1.14%

Shares
14.19M
Change
-247.13K
Change %
-1.71%
Filing
Mar 31, 2026

Decreased

UBS AM

Rank #14

1.08%

Shares
13.42M
Change
+691.63K
Change %
+5.43%
Filing
Mar 31, 2026

Increased

PRICE T ROWE ASSOCIATES INC

Rank #15

1.06%

Shares
13.24M
Change
-455.85K
Change %
-3.33%
Filing
Mar 31, 2026

Decreased

ARROWSTREET CAPITAL

Rank #16

1.06%

Shares
13.18M
Change
-169.65K
Change %
-127.00%
Filing
Mar 31, 2026

Decreased

FRANKLIN RESOURCES INC

Rank #17

0.95%

Shares
11.79M
Change
+1.68M
Change %
+16.65%
Filing
Mar 31, 2026

Increased

LEGAL & GENERAL GROUP PLC

Rank #18

0.89%

Shares
11.05M
Change
+189.54K
Change %
+1.75%
Filing
Mar 31, 2026

Increased

NUVEEN

Rank #19

0.88%

Shares
11.01M
Change
+617.70K
Change %
+5.95%
Filing
Mar 31, 2026

Increased

BANK OF AMERICA CORP

Rank #20

0.85%

Shares
10.66M
Change
-596.74K
Change %
-5.30%
Filing
Mar 31, 2026

Decreased

Showing 20 of 120 matching institutional rows.Load more institutions

Recent insider transactions

Lam Research Corp (LRCX) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
144.71K
% company
0.01%
Price
$373.09
Value
$53,987,988

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
146.31K
% company
0.01%
Price
$372.23
Value
$54,459,110

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
154.00K
% company
0.01%
Price
$371.17
Value
$57,162,036

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
162.24K
% company
0.01%
Price
$370.27
Value
$60,071,864

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
167.28K
% company
0.01%
Price
$369.16
Value
$61,751,239

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
171.47K
% company
0.01%
Price
$368.03
Value
$63,107,208

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
175.50K
% company
0.01%
Price
$367.01
Value
$64,411,356

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
181.31K
% company
0.01%
Price
$365.16
Value
$66,205,699

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
182.51K
% company
0.01%
Price
$364.41
Value
$66,507,011

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
184.81K
% company
0.01%
Price
$363.33
Value
$67,145,564

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
187.15K
% company
0.01%
Price
$362.40
Value
$67,823,522

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
189.86K
% company
0.02%
Price
$361.21
Value
$68,578,969

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
190.68K
% company
0.02%
Price
$360.15
Value
$68,672,682

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
192.58K
% company
0.02%
Price
$359.08
Value
$69,153,063

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
196.41K
% company
0.02%
Price
$357.98
Value
$70,311,568

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
197.51K
% company
0.02%
Price
$357.24
Value
$70,559,187

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
198.91K
% company
0.02%
Price
$355.71
Value
$70,752,498

Filed Jun 12, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
199.21K
% company
0.02%
Price
$364.00
Value
$72,510,620

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
199.85K
% company
0.02%
Price
$362.95
Value
$72,534,469

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
205.56K
% company
0.02%
Price
$362.20
Value
$74,455,281

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
208.17K
% company
0.02%
Price
$361.05
Value
$75,159,056

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
209.92K
% company
0.02%
Price
$360.24
Value
$75,623,022

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
210.59K
% company
0.02%
Price
$359.24
Value
$75,651,633

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
211.37K
% company
0.02%
Price
$358.22
Value
$75,716,245

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
213.25K
% company
0.02%
Price
$357.06
Value
$76,142,331

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
214.70K
% company
0.02%
Price
$356.27
Value
$76,492,238

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
216.36K
% company
0.02%
Price
$355.50
Value
$76,914,558

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
217.69K
% company
0.02%
Price
$354.08
Value
$77,078,613

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
219.15K
% company
0.02%
Price
$353.52
Value
$77,473,201

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
220.32K
% company
0.02%
Price
$350.77
Value
$77,281,646

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
220.36K
% company
0.02%
Price
$349.79
Value
$77,078,325

Filed Jun 11, 2026

BRANDT ERIC

SaleOpen-market or direct sale reported on Form 4.
Shares
221.87K
% company
0.02%
Price
$348.73
Value
$77,373,771

Filed Jun 11, 2026

Showing 32 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest LRCX shareholders?

BLACKROCK is the largest institutional holder of LRCX, with 132.85 million shares, or about 10.65% of shares outstanding. Additional institutions are ranked by reported share count.

What is institutional ownership of LRCX?

Lam Research Corp (LRCX) has 120 institutional holders on file — 51 that increased or initiated positions and 68 that reduced them, as of the latest filing on Mar 31, 2026.

Where can I see Lam Research Corp insider transactions?

Lam Research Corp (LRCX) has 120 Form 4 insider transactions on file, most recently on Jun 12, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are LRCX insiders buying or selling?

Recent LRCX insider activity reads Net selling: 52 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.

Who is the most active LRCX insider?

Bettinger Douglas R is the most active LRCX insider by absolute share movement, with 12.84 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.