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Lam Research

2,385 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 452 funds opening new positions, 768 increasing their positions, 896 reducing their positions, and 125 closing their positions.

New
Increased
Maintained
Reduced
Closed

262% more first-time investments, than exits

New positions opened: 452 | Existing positions closed: 125

38% more funds holding in top 10

Funds holding in top 10: 82113 (+31)

34% more capital invested

Capital invested by funds: $136B → $183B (+$46.5B)

13% more funds holding

Funds holding: 2,1062,385 (+279)

3.11% more ownership

Funds ownership: 80.78%83.89% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 768 | Existing positions reduced: 896

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.05B

Holders
2,385
Holders Change
+279
Holders Change %
+13.25%
% of All Funds
29.02%
Holding in Top 10
113
Holding in Top 10 Change
+31
Holding in Top 10 Change %
+37.8%
% of All Funds
1.38%
New
452
Increased
768
Reduced
896
Closed
125
Calls
$4.3B
Puts
$6.05B
Net Calls
-$1.75B
Net Calls Change
-$1.25B
Name Holding Trade Value Shares
Change
Change in
Stake
MA
1001
Mutual Advisors
Nebraska
$2.48M +$466K +2,994 +26%
KCM
1002
KRS Capital Management
Michigan
$2.48M +$2.25M +14,475 New
TAM
1003
Trust Asset Management
Texas
$2.45M -$84.6K -544 -4%
RAM
1004
Reflection Asset Management
South Carolina
$2.45M +$2.22M +14,302 New
FDP
1005
Financiere des Professionnels
Quebec, Canada
$2.42M +$235K +1,510 +12%
DFCM
1006
Dark Forest Capital Management
Puerto Rico
$2.41M -$9.91M -63,701 -82%
DCU
1007
Dara Capital US
Florida
$2.41M +$2.19M +14,063 New
ACM
1008
Accent Capital Management
Ohio
$2.41M
YDMI
1009
Y.D. More Investments
Israel
$2.4M +$495K +3,185 +29%
LGF
1010
LGT Group Foundation
Liechtenstein
$2.4M +$2.14M +13,783 New
SNBOSCI
1011
Security National Bank of Sioux City Iowa
Iowa
$2.39M -$21K -135 -1%
VWM
1012
Venturi Wealth Management
Texas
$2.39M +$26.6K +171 +1%
CCA
1013
Checchi Capital Advisers
California
$2.38M -$82K -527 -4%
IC
1014
Inscription Capital
Texas
$2.37M -$14K -90 -0.6%
SWP
1015
Sagespring Wealth Partners
Tennessee
$2.36M +$134K +863 +7%
NL
1016
NVWM LLC
Pennsylvania
$2.36M -$44.5K -286 -2%
ACS
1017
Archford Capital Strategies
Illinois
$2.36M +$107K +686 +5%
LFS
1018
Lighthouse Financial Services
California
$2.35M +$2.13M +13,726 New
APWM
1019
Argonautica Private Wealth Management
Massachusetts
$2.33M -$100K -645 -5%
MAM
1020
McLaughlin Asset Management
Illinois
$2.32M +$2.1M +13,524 New
MTC
1021
McDaniel Terry & Co
Texas
$2.31M
N
1022
Natixis
France
$2.31M -$25.8M -165,771 -92%
CP
1023
CenterBook Partners
Connecticut
$2.31M -$648K -4,165 -24%
BFIC
1024
Bedell Frazier Investment Counselling
California
$2.3M -$71.5K -460 -3%
HIP
1025
HUB Investment Partners
Texas
$2.29M +$163K +1,048 +9%