Lam Research Ownership | Who Owns Lam Research?
Lam Research Ownership Summary
Lam Research is owned by 62.88% institutional investors, 0.31% insiders, and 36.81% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 10.66% 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 | 62.88% | 0.31% | 36.81% |
| Sector | Technology Stocks | 35.18% | 13.13% | 51.68% |
| Idea | Semiconductor Stocks List | 60.61% | 7.19% | 32.20% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 134.26M | 10.66% | $22.98B |
| Vanguard group | 131.19M | 10.41% | $22.46B |
| Blackrock | 12.93M | 9.88% | $13.77B |
| State street | 59.82M | 4.69% | $8.02B |
| Geode capital management | 33.75M | 2.68% | $5.76B |
| Ameriprise financial | 25.32M | 1.99% | $3.39T |
| Jpmorgan chase | 23.51M | 1.87% | $4.02B |
| Fmr | 23.35M | 1.83% | $3.13B |
| Norges bank | 21.30M | 1.69% | $3.65B |
| Invesco | 21.18M | 1.66% | $2.84B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Oaktop capital management ii | 2.69M | 32.59% | $360.39M |
| Marlowe partners lp | 7.77K | 23.26% | $8.28M |
| Four tree island advisory | 229.07K | 21.64% | $39.21M |
| Harbor island capital | 200.96K | 13.19% | $34.40M |
| Blue whale capital llp | 1.70M | 12.60% | $227.83M |
| Heard capital | 1.59M | 10.30% | $212.26M |
| Trybe capital management lp | 478.25K | 8.55% | $64.04M |
| Groesbeck investment management corp /nj/ | 25.17K | 8.13% | $4.31M |
| Crosslink capital | 763.24K | 7.43% | $102.20M |
| Mcbroom & associates | 82.62K | 6.87% | $14.14M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 21.30M | 0.39% | 21.30M |
| Arrowstreet capital, limited partnership | 11.34M | 0.96% | 10.05M |
| Blackrock funding, inc. /de | 134.26M | 0.39% | 10.00M |
| Franklin resources | 10.11M | 0.42% | 3.67M |
| Invesco | 21.18M | 0.45% | 3.26M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jpmorgan chase | 23.51M | 0.25% | -6.44M |
| Fil | 1.44M | 0.15% | -5.67M |
| Ameriprise financial | 25.32M | 0.78% | -5.13M |
| Nordea investment management ab | 7.40M | 1.10% | -3.91M |
| Price t rowe associates inc /md/ | 3.03M | 0.04% | -3.85M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 21.30M | 0.39% | 21.30M | $3.65B |
| Cincinnati insurance | 2.49M | 6.52% | 2.49M | $426.60M |
| Railway pension investments | 1.04M | 2.09% | 1.04M | $178.28M |
| Axa investment managers | 776.14K | 0.28% | 776.14K | $103.93M |
| Cincinnati financial | 277.24K | 0.93% | 277.24K | $47.46M |
Sold Out
| Holder | Change |
|---|---|
| Northwest capital management | -1.00 |
| Tfo-tdc | -1.00 |
| Financial network wealth advisors | -2.00 |
| Vitalstone financial | -2.00 |
| Horrell capital management | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 2,035 | -5.30% | 792,103,628 | -22.07% | 62 | 0.99% | 984 | -11.51% | 757 | 7.22% |
| Sep 30, 2025 | 2,057 | 7.53% | 1,000,873,380 | -4.75% | 78 | 1.18% | 1,053 | 8.00% | 682 | 4.44% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 39.55M | 3.17% | 102.79K |
| Vanguard 500 Index Investor | 32.00M | 2.56% | 199.50K |
| Invesco QQQ Trust | 26.87M | 2.15% | -59.57K |
| iShares Core S&P 500 ETF | 16.00M | 1.28% | 2.38M |
| Fidelity 500 Index | 15.88M | 1.27% | -99.37K |
| SPDR® S&P 500 ETF | 15.97M | 1.24% | -266.09K |
| SPDR® S&P 500® ETF | 15.44M | 1.22% | 190.00K |
| SPDR® S&P 500® ETF Trust | 15.54M | 1.21% | -81.43K |
| State Street® SPDR® S&P 500® ETF | 14.83M | 1.19% | -26.35K |
| Vanguard Growth Index Investor | 13.60M | 1.09% | 83.30K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 04, 2026 | Bettinger Douglas R | Chief Financial Officer & EVP | Sell | $11.21M |
| Mar 04, 2026 | Harter Ava | Chief Legal Officer | Sell | $333.99K |
| Mar 02, 2026 | Bettinger Douglas R | Chief Financial Officer & EVP | Sell | $9.28M |
| Mar 02, 2026 | Harter Ava | Chief Legal Officer | Sell | $930.00K |
| Feb 06, 2026 | BRANDT ERIC | - | Sell | $4.14M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 6 |
| 2025 Q4 | - | 7 |
| 2025 Q3 | - | - |
| 2025 Q2 | 1 | - |
| 2025 Q1 | - | 1 |
LRCX Ownership FAQ
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