BLACKROCK
Rank #1
10.7%
- Shares
- 132.85M
- Change
- -1.41M
- Change %
- -1.05%
- Filing
- Mar 31, 2026
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
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 15, 10:29 AM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
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.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
LRCX insider sentiment: Net selling.
BLACKROCK is the largest loaded institutional holder. 74 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
LRCX
Purchases—
Sales1.48M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
132.85M
BLACKROCK
Insider stance
Net selling
$169.34M sold / — bought
Latest filing
Jun 1, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Jun 1, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 51
- 68 decreased in loaded rows
- 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.
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
4.75%
- 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 %
- -1.27%
- 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
0.86%
- Shares
- 10.66M
- Change
- -596.74K
- Change %
- -5.30%
- Filing
- Mar 31, 2026
Decreased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.7% | 132.85M | -1.41M Decreased | -1.05% | Mar 31, 2026 | |
| 2 | 10.5% | 131.19M | +211.12K Increased | +16.00% | Dec 31, 2025 | |
| 3 | 6.51% | 81.16M | +81.16M Initiated | — | Mar 31, 2026 | |
| 4 | 4.75% | 59.16M | -527.78K Decreased | -88.00% | Mar 31, 2026 | |
| 5 | 2.97% | 37.06M | +37.06M Initiated | — | Mar 31, 2026 | |
| 6 | 2.82% | 35.18M | +1.43M Increased | +4.23% | Mar 31, 2026 | |
| 7 | 2.69% | 33.57M | +6.89M Increased | +25.84% | Mar 31, 2026 | |
| 8 | 2.62% | 32.71M | +9.20M Increased | +39.15% | Mar 31, 2026 | |
| 9 | 1.95% | 24.26M | +1.43M Increased | +6.29% | Mar 31, 2026 | |
| 10 | 1.71% | 21.30M | +1.83M Increased | +9.41% | Dec 31, 2025 | |
| 11 | AMERIPRISE FINANCIAL INC | 1.67% | 20.79M | -2.46M Decreased | -10.59% | Mar 31, 2026 |
| 12 | 1.52% | 18.97M | -914.88K Decreased | -4.60% | Mar 31, 2026 | |
| 13 | 1.14% | 14.19M | -247.13K Decreased | -1.71% | Mar 31, 2026 | |
| 14 | 1.08% | 13.42M | +691.63K Increased | +5.43% | Mar 31, 2026 | |
| 15 | 1.06% | 13.24M | -455.85K Decreased | -3.33% | Mar 31, 2026 | |
| 16 | ARROWSTREET CAPITAL | 1.06% | 13.18M | -169.65K Decreased | -1.27% | Mar 31, 2026 |
| 17 | 0.95% | 11.79M | +1.68M Increased | +16.65% | Mar 31, 2026 | |
| 18 | 0.89% | 11.05M | +189.54K Increased | +1.75% | Mar 31, 2026 | |
| 19 | NUVEEN | 0.88% | 11.01M | +617.70K Increased | +5.95% | Mar 31, 2026 |
| 20 | 0.86% | 10.66M | -596.74K Decreased | -5.30% | Mar 31, 2026 |
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.
FERNANDES, NEIL J
Senior Vice President
- Shares
- 7.66K
- % company
- <0.01%
- Price
- $309.60
- Value
- $2,371,226
Filed Jun 1, 2026
FERNANDES, NEIL J
Senior Vice President
- Shares
- 18.17K
- % company
- <0.01%
- Price
- $255.14
- Value
- $4,635,894
Filed May 1, 2026
HARTER, AVA
Chief Legal Officer
- Shares
- 6.01K
- % company
- <0.01%
- Price
- $77.04
- Value
- $463,004
Filed Apr 27, 2026
HARTER, AVA
Chief Legal Officer
- Shares
- 6.01K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Apr 27, 2026
HARTER, AVA
Chief Legal Officer
- Shares
- 6.01K
- % company
- <0.01%
- Price
- $258.66
- Value
- $1,554,547
Filed Apr 27, 2026
VAHEDI, VAHID
Senior Vice President
- Shares
- 3.38K
- % company
- <0.01%
- Price
- $233.89
- Value
- $791,016
Filed Mar 27, 2026
HARTER, AVA
Chief Legal Officer
- Shares
- 3.20K
- % company
- <0.01%
- Price
- $233.89
- Value
- $748,214
Filed Mar 27, 2026
TALWALKAR, ABHIJIT Y
Director
- Shares
- 4.57K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Mar 10, 2026
BETTINGER, DOUGLAS R
Chief Financial Officer & EVP
- Shares
- 26.48K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Mar 4, 2026
BETTINGER, DOUGLAS R
Chief Financial Officer & EVP
- Shares
- 50.06K
- % company
- <0.01%
- Price
- $224.03
- Value
- $11,214,270
Filed Mar 4, 2026
BETTINGER, DOUGLAS R
Chief Financial Officer & EVP
- Shares
- 51.27K
- % company
- <0.01%
- Price
- $49.09
- Value
- $2,516,947
Filed Mar 4, 2026
BETTINGER, DOUGLAS R
Chief Financial Officer & EVP
- Shares
- 26.48K
- % company
- <0.01%
- Price
- $98.15
- Value
- $2,599,091
Filed Mar 4, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | FERNANDES, NEIL J Senior Vice President | <0.01% | Sale to issuer | 7.66K | $309.60 | $2,371,226 | Jun 1, 2026 |
| 2 | FERNANDES, NEIL J Senior Vice President | <0.01% | Sale to issuer | 18.17K | $255.14 | $4,635,894 | May 1, 2026 |
| 3 | HARTER, AVA Chief Legal Officer | <0.01% | Award / grant | 6.01K | $77.04 | $463,004 | Apr 27, 2026 |
| 4 | HARTER, AVA Chief Legal Officer | <0.01% | Sale to issuer | 6.01K | Not reported | Not reported | Apr 27, 2026 |
| 5 | HARTER, AVA Chief Legal Officer | <0.01% | Sale to issuer | 6.01K | $258.66 | $1,554,547 | Apr 27, 2026 |
| 6 | VAHEDI, VAHID Senior Vice President | <0.01% | Sale to issuer | 3.38K | $233.89 | $791,016 | Mar 27, 2026 |
| 7 | HARTER, AVA Chief Legal Officer | <0.01% | Sale to issuer | 3.20K | $233.89 | $748,214 | Mar 27, 2026 |
| 8 | TALWALKAR, ABHIJIT Y Director | <0.01% | Sale to issuer | 4.57K | Not reported | Not reported | Mar 10, 2026 |
| 9 | BETTINGER, DOUGLAS R Chief Financial Officer & EVP | <0.01% | Sale to issuer | 26.48K | Not reported | Not reported | Mar 4, 2026 |
| 10 | BETTINGER, DOUGLAS R Chief Financial Officer & EVP | <0.01% | Sale to issuer | 50.06K | $224.03 | $11,214,270 | Mar 4, 2026 |
| 11 | BETTINGER, DOUGLAS R Chief Financial Officer & EVP | <0.01% | Award / grant | 51.27K | $49.09 | $2,516,947 | Mar 4, 2026 |
| 12 | BETTINGER, DOUGLAS R Chief Financial Officer & EVP | <0.01% | Award / grant | 26.48K | $98.15 | $2,599,091 | Mar 4, 2026 |
Showing 12 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 in the loaded LRCX ownership dataset, with 132.85 million shares, or about 10.66% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of LRCX?
The current TECHi snapshot has 120 loaded institutional rows for Lam Research Corp. 51 rows are marked increased or initiated, while 68 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Lam Research Corp insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for LRCX, with the latest insider filing dated Jun 1, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are LRCX insiders buying or selling?
The loaded LRCX Form 4 rows currently read Net selling: 74 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active LRCX insider in the loaded filings?
ARCHER, TIMOTHY is the most active insider by absolute share movement in the loaded LRCX rows, with 1.16 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.