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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
JF
626
Jump Financial
Illinois
$7.64M
VSQM
627
V-Square Quantitative Management
Illinois
$7.6M
PWM
628
Perigon Wealth Management
California
$7.59M
LA
629
LBP AM
France
$7.57M
IIM
630
INTECH Investment Management
Florida
$7.57M
Impax Asset Management Group
631
Impax Asset Management Group
United Kingdom
$7.56M
PCIA
632
Prime Capital Investment Advisors
Kansas
$7.56M
CIA
633
CCM Investment Advisers
South Carolina
$7.52M
NWM
634
NRI Wealth Management
California
$7.52M
CIBC Private Wealth Group
635
CIBC Private Wealth Group
Georgia
$7.51M
NDSIB
636
North Dakota State Investment Board
North Dakota
$7.51M
BF
637
BOK Financial
Oklahoma
$7.47M
IAA
638
Independent Advisor Alliance
North Carolina
$7.45M
PCM
639
Pincus Capital Management
New York
$7.36M
HWM
640
Hohimer Wealth Management
Washington
$7.35M
KIA
641
Knollwood Investment Advisory
Maryland
$7.33M
William Blair & Company
642
William Blair & Company
Illinois
$7.3M
STA
643
Summit Trail Advisors
New York
$7.29M
SAM
644
Socorro Asset Management
Texas
$7.28M
LTAS
645
Linden Thomas Advisory Services
North Carolina
$7.26M
GAAM
646
Guinness Atkinson Asset Management
California
$7.24M
BIM
647
Brentview Investment Management
Illinois
$7.24M
WAP
648
Wealthcare Advisory Partners
Pennsylvania
$7.22M
BWM
649
BNC Wealth Management
Oregon
$7.17M
NF
650
Nikulski Financial
Iowa
$7.16M