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Lam Research

1,862 hedge funds and large institutions have $103B invested in Lam Research in 2025 Q2 according to their latest regulatory filings, with 245 funds opening new positions, 739 increasing their positions, 659 reducing their positions, and 134 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

5% more funds holding

Funds holding: 1,7791,862 (+83)

2.66% more ownership

Funds ownership: 79.76%82.42% (+2.7%)

8% less call options, than puts

Call options by funds: $2.1B | Put options by funds: $2.28B

Holders
1,862
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
48
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.1B
Puts
$2.28B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MK
501
MASTERINVEST Kapitalanlage
$6.04M
QT
502
Quantbot Technologies
New York
$6.04M
T. Rowe Price Investment Management
503
T. Rowe Price Investment Management
Maryland
$6.02M
JFGIW
504
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$6M
UB
505
UMB Bank
Missouri
$5.98M
MIC
506
Means Investment Company
Maine
$5.98M
WT
507
Whittier Trust
California
$5.96M
PAS
508
Park Avenue Securities
New York
$5.94M
BCI
509
Brinker Capital Investments
Pennsylvania
$5.88M
MIM
510
Marco Investment Management
Georgia
$5.87M
IPAM
511
ICICI Prudential Asset Management
India
$5.86M
NMERB
512
New Mexico Educational Retirement Board
New Mexico
$5.85M
HWAM
513
Hennion & Walsh Asset Management
New Jersey
$5.85M
FSA
514
Fort Sheridan Advisors
Illinois
$5.84M
MCM
515
Mainstay Capital Management
Michigan
$5.76M
ETC
516
Exchange Traded Concepts
Oklahoma
$5.75M
FMI
517
F/M Investments
District of Columbia
$5.75M
DILIC
518
Dai-ichi Life Insurance Company
Japan
$5.73M
B
519
Bailard
California
$5.72M
JGCM
520
Joseph Group Capital Management
Ohio
$5.71M
CI
521
Conning Inc
Connecticut
$5.71M
Jones Financial Companies
522
Jones Financial Companies
Missouri
$5.64M
RWA
523
River Wealth Advisors
Pennsylvania
$5.64M
AAS
524
Avantax Advisory Services
Texas
$5.63M
OA
525
Oak Associates
Ohio
$5.61M