Lam Research Ownership | Who Owns Lam Research?
Lam Research Ownership Summary
Lam Research is owned by 81.48% institutional investors, 0.29% insiders, and 18.23% retail investors. Blackrock is the largest institutional shareholder, holding 9.88% of LRCX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.17% of its assets in Lam Research shares.
LRCX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Lam Research | 81.48% | 0.29% | 18.23% |
| Sector | Technology Stocks | 143.99% | 12.56% | -56.55% |
| Idea | Semiconductor Stocks List | 62.65% | 7.35% | 30.01% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 12.93M | 9.88% | $13.77B |
| Blackrock funding, inc. /de | 122.20M | 9.50% | $11.90B |
| Price t rowe associates inc /md/ | 2.48M | 1.90% | $2.64B |
| Morgan stanley | 2.06M | 1.57% | $2.19B |
| Norges bank | 1.81M | 1.39% | $1.93B |
| Northern trust | 1.41M | 1.08% | $1.51B |
| Amundi | 10.78M | 0.84% | $1.03B |
| Nordea investment management ab | 10.59M | 0.82% | $1.03B |
| Coatue management | 10.51M | 0.82% | $1.02B |
| Artisan partners limited partnership | 9.85M | 0.77% | $958.79M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Marlowe partners lp | 7.77K | 23.26% | $8.28M |
| Harbor island capital | 230.80K | 13.23% | $30.90M |
| Blue whale capital llp | 1.88M | 11.98% | $182.95M |
| Triple frond partners | 706.62K | 7.78% | $68.78M |
| Teewinot capital advisers | 863.46K | 6.91% | $84.05M |
| Groesbeck investment management corp /nj/ | 25.22K | 6.59% | $3.38M |
| Paradiem | 204.93K | 6.40% | $27.44M |
| Capco asset management | 249.29K | 5.10% | $24.27M |
| Eldred rock partners | 161.95K | 4.79% | $15.76M |
| Platinum investment management | 733.19K | 4.75% | $71.37M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Nordea investment management ab | 10.59M | 0.95% | 2.69M |
| Artisan partners limited partnership | 9.85M | 1.40% | 2.58M |
| Coatue management | 10.51M | 2.85% | 2.30M |
| Van eck associates | 6.14M | 0.68% | 2.02M |
| Norges bank | 1.81M | 0.29% | 1.81M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | - | - | -12.17M |
| State street | - | - | -5.89M |
| Jpmorgan chase | - | - | -4.26M |
| Fmr | - | - | -3.53M |
| Ameriprise financial | - | - | -3.29M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.81M | 0.29% | 1.81M | $1.93B |
| Polar capital | 1.39M | 0.71% | 1.39M | $135.46M |
| Menora mivtachim | 1.06M | 0.59% | 1.06M | $103.11M |
| Glenmede investment management, lp | 885.08K | 0.44% | 885.08K | $86.15M |
| Driehaus capital management | 575.53K | 0.45% | 575.53K | $56.02M |
Sold Out
| Holder | Change |
|---|---|
| Harbor investment advisory | -1.00 |
| Tfo-tdc | -1.00 |
| Anfield capital management | -1.00 |
| Horrell capital management | -2.00 |
| Vitalstone financial | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 1,862 | 2.59% | 1,047,926,605 | 3.08% | 81 | 1.30% | 952 | -2.06% | 637 | 19.07% |
| Mar 31, 2025 | 1,788 | 2.11% | 1,012,042,531 | -1.79% | 78 | 1.23% | 954 | -41.65% | 529 | 1663.33% |
| Dec 31, 2024 | 92 | -93.43% | 6,085,118 | -93.48% | - | 0.01% | 77 | -88.01% | 7 | -98.56% |
| Sep 30, 2024 | 1,378 | -25.79% | 93,155,317 | -14.80% | 71 | 1.02% | 630 | -24.64% | 480 | -26.38% |
| Jun 30, 2024 | 1,827 | 1.56% | 109,250,329 | 0.74% | 83 | 1.22% | 823 | 6.19% | 644 | -7.74% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 40.19M | 3.17% | -931.97K |
| Vanguard 500 Index Investor | 31.66M | 2.50% | -4.64M |
| Invesco QQQ Trust | 26.36M | 2.08% | 182.98K |
| Fidelity 500 Index | 16.21M | 1.28% | 6.97K |
| SPDR® S&P 500 ETF | 15.97M | 1.24% | -266.09K |
| SPDR® S&P 500® ETF | 15.44M | 1.22% | 190.00K |
| iShares Core S&P 500 ETF | 15.40M | 1.22% | - |
| SPDR® S&P 500® ETF Trust | 15.54M | 1.21% | -81.43K |
| Vanguard Growth Index Investor | 13.69M | 1.08% | 64.03K |
| VanEck Semiconductor ETF | 11.72M | 0.93% | -25.28K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 13, 2025 | Vahedi Vahid | Senior Vice President | Sell | $7.25M |
| Apr 08, 2025 | Harter Ava | Chief Legal Officer | Buy | $601.91 |
| Feb 20, 2025 | Varadarajan Seshasayee | Senior Vice President | Sell | $6.69M |
| Nov 01, 2024 | Mayer Bethany | - | Sell | $124.76K |
| Oct 01, 2024 | Correia Christina | CVP , Chief Accounting Officer | Sell | $528.93K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | 1 | - |
| 2025 Q1 | - | 1 |
| 2024 Q4 | - | 2 |
LRCX Ownership FAQ
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