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Lam Research

2,350 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 430 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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 funds holding

Funds holding:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,350
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
113
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.3B
Puts
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MIC
551
Means Investment Company
Maine
$10M
EOJOAM
552
E. Ohman J:or Asset Management
Sweden
$9.96M
RWM
553
Rockline Wealth Management
New York
$9.94M
LFAS
554
Level Four Advisory Services
Texas
$9.91M
NMERB
555
New Mexico Educational Retirement Board
New Mexico
$9.9M
RP
556
Ravenswood Partners
Virginia
$9.77M
OC
557
Oppenheimer & Co
New York
$9.77M
SFI
558
Siemens Fonds Invest
Germany
$9.75M
AIP
559
Ameritas Investment Partners
Nebraska
$9.7M
JFGIW
560
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$9.68M
CDDEC
561
Caisse Des Depots Et Consignations
France
$9.61M
PIM
562
Platinum Investment Management
Australia
$9.56M
PP
563
Pacifica Partners
Canada
$9.5M
OA
564
Oak Associates
Ohio
$9.49M
FIA
565
Foundations Investment Advisors
Arizona
$9.48M
LSA
566
L & S Advisors
California
$9.46M
MPPLM
567
Midwest Professional Planners Ltd (MPPL)
Wisconsin
$9.34M
PIM
568
Plato Investment Management
Australia
$9.34M
CUAMC
569
China Universal Asset Management Company
China
$9.34M
SIA
570
Soltis Investment Advisors
Utah
$9.31M
PVI
571
Pine Valley Investments
New Jersey
$9.26M
RWA
572
River Wealth Advisors
Pennsylvania
$9.24M
FTC
573
Farmers Trust Company
Ohio
$9.22M
NB
574
Northwest Bancshares
Pennsylvania
$9.18M
AI
575
Atria Investments
North Carolina
$9.16M