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Lam Research
LRCX

3,109 hedge funds and large institutions have $462B invested in Lam Research in 2026 Q2 according to their latest regulatory filings, with 612 funds opening new positions, 1,063 increasing their positions, 1,164 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

558% more first-time investments, than exits

New positions opened: 612 | Existing positions closed: 93

109% more capital invested

Capital invested by funds: $221B → $462B (+$240B)

87% more funds holding in top 10

Funds holding in top 10: 140 → 262 (+122)

18% more funds holding

Funds holding: 2,640 → 3,109 (+469)

2.6% more ownership

Funds ownership: 83.19% → 85.79% (+2.6%)

9% less repeat investments, than reductions

Existing positions increased: 1,063 | Existing positions reduced: 1,164

18% less call options, than puts

Call options by funds: $11.8B | Put options by funds: $14.3B

Holders
3,109
Holders Change
+469
Holders Change %
+17.77%
% of All Funds
37.61%
Holding in Top 10
262
Holding in Top 10 Change
+122
Holding in Top 10 Change %
+87.14%
% of All Funds
3.17%
New
612
Increased
1,063
Reduced
1,164
Closed
93
Calls
$11.8B
Puts
$14.3B
Net Calls
-$2.51B
Net Calls Change
-$2.29B

Top Buyers

Rank Fund Capital Flow
1
JP Morgan Chase
JP Morgan Chase
New York
+$3.83B
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$3.45B
3
VanEck Associates
VanEck Associates
New York
+$2.71B
4
Goldman Sachs
Goldman Sachs
New York
+$682M
5
Wells Fargo
Wells Fargo
California
+$659M

Top Sellers

Rank Fund Capital Flow
1
Artisan Partners
Artisan Partners
Wisconsin
-$1.29B
2
Ameriprise
Ameriprise
Minnesota
-$1.05B
3
California Public Employees Retirement System
California Public Employees Retirement System
California
-$675M
4
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$635M
5
Nuveen
Nuveen
North Carolina
-$540M
Name Holding Trade Value Shares
Change 		Change in
Stake
Charles Schwab
26
Charles Schwab
California
$3.34B -$21M -69,024 -0.9%
UBS Group
27
UBS Group
Switzerland
$3.33B +$353M +1,161,848 +18%
Wells Fargo
28
Wells Fargo
California
$3.17B +$659M +2,171,708 +42%
Vanguard Fiduciary Trust
29
Vanguard Fiduciary Trust
Pennsylvania
$3.11B -$6.34M -20,876 -0.3%
Dimensional Fund Advisors
30
Dimensional Fund Advisors
Texas
$2.58B -$108M -356,158 -6%
Barclays
31
Barclays
United Kingdom
$2.5B +$30.1M +99,053 +2%
Grantham, Mayo, Van Otterloo & Co (GMO)
32
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$2.37B -$437M -1,439,480 -21%
Nordea Investment Management
33
Nordea Investment Management
Sweden
$2.14B -$371M -1,223,210 -20%
Swedbank
34
Swedbank
Sweden
$2.01B +$322M +1,060,858 +30%
Deutsche Bank
35
Deutsche Bank
Germany
$1.9B -$32.9M -108,365 -2%
Citigroup
36
Citigroup
New York
$1.82B +$183M +601,656 +17%
HSBC Holdings
37
HSBC Holdings
United Kingdom
$1.73B +$183M +601,265 +18%
VOYA Investment Management
38
VOYA Investment Management
Georgia
$1.65B -$55.2M -182,005 -5%
California Public Employees Retirement System
39
California Public Employees Retirement System
California
$1.58B -$675M -2,222,348 -38%
First Trust Advisors
40
First Trust Advisors
Illinois
$1.57B -$185M -608,094 -14%
Canada Pension Plan Investment Board
41
Canada Pension Plan Investment Board
Ontario, Canada
$1.54B +$216M +711,724 +25%
Jennison Associates
42
Jennison Associates
New York
$1.53B +$46.5M +153,136 +5%
Swiss National Bank
43
Swiss National Bank
Switzerland
$1.53B -$49.8M -164,200 -4%
AQR Capital Management
44
AQR Capital Management
Connecticut
$1.51B +$10.1M +33,301 +1%
American Century Companies
45
American Century Companies
Missouri
$1.49B +$50.1M +164,900 +5%
National Pension Service
46
National Pension Service
South Korea
$1.46B -$526K -1,732 -0.1%
Mitsubishi UFJ Asset Management
47
Mitsubishi UFJ Asset Management
Japan
$1.44B +$44M +145,071 +5%
Royal Bank of Canada
48
Royal Bank of Canada
Ontario, Canada
$1.37B +$35.8M +117,841 +4%
Tiger Global Management
49
Tiger Global Management
New York
$1.37B -$224M -736,944 -19%
SG Americas Securities
50
SG Americas Securities
New York
$1.35B +$613M +2,018,759 +186%
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LRCX Hedge Fund Activity: Q2 2026 in Review

3,109 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in Lam Research (LRCX) for Q2 2026, worth a combined $462B — up 109% from $221B a quarter earlier.

Buyers outnumbered sellers: 612 funds opened new LRCX positions and 93 closed out — a net gain of 519 holders — while 1,063 added to existing stakes and 1,164 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $3.83B. The largest seller was Artisan Partners, cutting an estimated $1.29B.

  • 3,109 institutional investors held Lam Research (LRCX) as of Q2 2026, up from 2,640 in Q1 2026.
  • Funds reported $462B of Lam Research stock for Q2 2026, up 109% quarter-over-quarter.
  • 612 funds opened new Lam Research positions in Q2 2026 and 93 closed out, a net change of +519 holders.
  • The largest Lam Research buyer in Q2 2026 was JP Morgan Chase, an estimated $3.83B added.
  • The largest Lam Research seller in Q2 2026 was Artisan Partners, an estimated $1.29B sold.

Based on aggregated 13F filings for Q2 2026.