Lam Research Ownership | Who Owns Lam Research?
Lam Research Ownership Summary
Lam Research is owned by 47.96% institutional investors, 0.28% insiders, and 51.76% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 10.55% of LRCX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.18% of its assets in Lam Research shares.
LRCX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Lam Research | 47.96% | 0.28% | 51.76% |
| Sector | Technology Stocks | 36.75% | 14.74% | 48.51% |
| Idea | Semiconductor Stocks List | 48.16% | 6.95% | 44.89% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 132.85M | 10.55% | $28.39B |
| Vanguard group | 131.19M | 10.41% | $22.46B |
| Blackrock | 12.93M | 9.88% | $13.77B |
| State street | 59.16M | 4.70% | $12.65B |
| Geode capital management | 35.18M | 2.79% | $7.50B |
| Fmr | 33.57M | 2.67% | $7.17B |
| Jpmorgan chase | 32.71M | 2.60% | $6.54B |
| Invesco | 24.26M | 1.93% | $5.18B |
| Norges bank | 21.30M | 1.69% | $3.65B |
| Ameriprise financial | 20.79M | 1.65% | $4.44B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Oaktop capital management ii | 2.25M | 35.86% | $480.61M |
| Four tree island advisory | 228.30K | 24.61% | $48.78M |
| Marlowe partners lp | 7.77K | 23.26% | $8.28M |
| Trybe capital management lp | 478.25K | 17.58% | $102.18M |
| Blue whale capital llp | 1.29M | 13.11% | $275.75M |
| Harbor island capital | 159.78K | 12.68% | $34.14M |
| Trivest advisors | 815.70K | 12.55% | $174.28M |
| Heard capital | 1.07M | 11.83% | $228.80M |
| Crosslink capital | 489.01K | 10.23% | $104.48M |
| Groesbeck investment management corp /nj/ | 24.08K | 10.02% | $5.15M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 21.30M | 0.39% | 21.30M |
| Jpmorgan chase | 32.71M | 0.42% | 9.20M |
| Vanguard fiduciary trust | 7.21M | 0.39% | 7.21M |
| Fmr | 33.57M | 0.38% | 6.89M |
| Vanguard global advisers | 2.74M | 0.32% | 2.74M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 10.48M | 0.26% | -4.36M |
| J. stern & co. llp | 19.66K | 0.41% | -3.44M |
| Citadel advisors | 1.11M | 0.04% | -3.13M |
| Artisan partners limited partnership | 5.03M | 1.72% | -2.92M |
| Alkeon capital management | 3.90M | 1.40% | -2.52M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 21.30M | 0.39% | 21.30M | $3.65B |
| Vanguard fiduciary trust | 7.21M | 0.39% | 7.21M | $1.54B |
| Vanguard global advisers | 2.74M | 0.32% | 2.74M | $585.61M |
| Vanguard asset management | 2.18M | 0.40% | 2.18M | $466.40M |
| Polen capital management | 1.05M | 1.56% | 1.05M | $225.30M |
Sold Out
| Holder | Change |
|---|---|
| Tfo-tdc | -1.00 |
| Northwest capital management | -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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 2,035 | -16.60% | 604,135,581 | -42.22% | 47 | 0.70% | 991 | -17.28% | 791 | -10.52% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 39.67M | 3.18% | -63.07K |
| Vanguard 500 Index Investor | 31.80M | 2.55% | -508.87K |
| Invesco QQQ Trust | 26.73M | 2.14% | 196.62K |
| iShares Core S&P 500 ETF | 16.15M | 1.29% | 47.38K |
| Fidelity 500 Index | 15.95M | 1.28% | -36.79K |
| 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 | 14.85M | 1.19% | -15.97K |
| Vanguard Growth Index Investor | 13.39M | 1.07% | -256.36K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 01, 2026 | Fernandes Neil J | Senior Vice President | Sell | $4.64M |
| Apr 27, 2026 | Harter Ava | Chief Legal Officer | Sell | $1.55M |
| 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 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | 6 |
| 2025 Q4 | - | 7 |
| 2025 Q3 | - | - |
| 2025 Q2 | 1 | - |
LRCX Ownership FAQ
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