Lam Research Ownership | Who Owns Lam Research?


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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


TypeName% Inst% Insiders% Retail
StockLam Research62.88%0.31%36.81%
SectorTechnology Stocks 35.18%13.13%51.68%
IdeaSemiconductor Stocks List 60.61%7.19%32.20%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de134.26M10.66%$22.98B
Vanguard group131.19M10.41%$22.46B
Blackrock12.93M9.88%$13.77B
State street59.82M4.69%$8.02B
Geode capital management33.75M2.68%$5.76B
Ameriprise financial25.32M1.99%$3.39T
Jpmorgan chase23.51M1.87%$4.02B
Fmr23.35M1.83%$3.13B
Norges bank21.30M1.69%$3.65B
Invesco21.18M1.66%$2.84B

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Oaktop capital management ii2.69M32.59%$360.39M
Marlowe partners lp7.77K23.26%$8.28M
Four tree island advisory229.07K21.64%$39.21M
Harbor island capital200.96K13.19%$34.40M
Blue whale capital llp1.70M12.60%$227.83M
Heard capital1.59M10.30%$212.26M
Trybe capital management lp478.25K8.55%$64.04M
Groesbeck investment management corp /nj/25.17K8.13%$4.31M
Crosslink capital763.24K7.43%$102.20M
Mcbroom & associates82.62K6.87%$14.14M

Top Buyers

HolderShares% AssetsChange
Norges bank21.30M0.39%21.30M
Arrowstreet capital, limited partnership11.34M0.96%10.05M
Blackrock funding, inc. /de134.26M0.39%10.00M
Franklin resources10.11M0.42%3.67M
Invesco21.18M0.45%3.26M

Top Sellers

HolderShares% AssetsChange
Jpmorgan chase23.51M0.25%-6.44M
Fil1.44M0.15%-5.67M
Ameriprise financial25.32M0.78%-5.13M
Nordea investment management ab7.40M1.10%-3.91M
Price t rowe associates inc /md/3.03M0.04%-3.85M

New Positions

HolderShares% AssetsChangeValue
Norges bank21.30M0.39%21.30M$3.65B
Cincinnati insurance2.49M6.52%2.49M$426.60M
Railway pension investments1.04M2.09%1.04M$178.28M
Axa investment managers776.14K0.28%776.14K$103.93M
Cincinnati financial277.24K0.93%277.24K$47.46M

Sold Out

HolderChange
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


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 20252,035-5.30%792,103,628-22.07%620.99%984-11.51%7577.22%
Sep 30, 20252,0577.53%1,000,873,380-4.75%781.18%1,0538.00%6824.44%
Jun 30, 20251,8622.59%1,047,926,6053.08%811.30%952-2.06%63719.07%
Mar 31, 20251,7882.11%1,012,042,531-1.79%781.23%954-41.65%5291663.33%
Dec 31, 202492-93.43%6,085,118-93.48%-0.01%77-88.01%7-98.56%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard Total Stock Mkt Idx Inv39.55M3.17%102.79K
Vanguard 500 Index Investor32.00M2.56%199.50K
Invesco QQQ Trust26.87M2.15%-59.57K
iShares Core S&P 500 ETF16.00M1.28%2.38M
Fidelity 500 Index15.88M1.27%-99.37K
SPDR® S&P 500 ETF15.97M1.24%-266.09K
SPDR® S&P 500® ETF15.44M1.22%190.00K
SPDR® S&P 500® ETF Trust15.54M1.21%-81.43K
State Street® SPDR® S&P 500® ETF14.83M1.19%-26.35K
Vanguard Growth Index Investor13.60M1.09%83.30K

Recent Insider Transactions


DateNameRoleActivityValue
Mar 04, 2026Bettinger Douglas R Chief Financial Officer & EVPSell$11.21M
Mar 04, 2026Harter Ava Chief Legal OfficerSell$333.99K
Mar 02, 2026Bettinger Douglas R Chief Financial Officer & EVPSell$9.28M
Mar 02, 2026Harter Ava Chief Legal OfficerSell$930.00K
Feb 06, 2026BRANDT ERIC-Sell$4.14M

Insider Transactions Trends


DateBuySell
2026 Q1-6
2025 Q4-7
2025 Q3--
2025 Q21-
2025 Q1-1

LRCX Ownership FAQ


Who owns the most shares of Lam Research?

Lam Research’s largest shareholders are Blackrock funding, inc. /de (134.26M shares, 10.66%), Vanguard group (131.19M shares, 10.41%), and Blackrock (12.93M shares, 9.88%). Together, they hold 30.96% of Lam Research’s total shares outstanding.

Does Blackrock own Lam Research?

Yes, BlackRock owns 9.88% of Lam Research, totaling 12.93M shares as of Jun 2024. This represents 0.31% of BlackRock's total assets, with a market value of 13.77B$. In the last quarter, BlackRock increased its holdings by 757.22K shares, a 6.22% change.

Who is Lam Research’s biggest shareholder by percentage of total assets invested?

Oaktop capital management ii is Lam Research’s biggest shareholder by percentage of total assets invested, with 32.59% of its assets in 2.69M Lam Research shares, valued at 360.39M$.

Who is the top mutual fund holder of Lam Research shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Lam Research shares, with 3.17% of its total shares outstanding invested in 39.55M Lam Research shares.

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