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Lam Research

1,775 hedge funds and large institutions have $74.2B invested in Lam Research in 2025 Q1 according to their latest regulatory filings, with 270 funds opening new positions, 727 increasing their positions, 541 reducing their positions, and 138 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

4% more call options, than puts

Call options by funds: $1.79B | Put options by funds: $1.72B

0.45% less ownership

Funds ownership: 80.1%79.65% (-0.45%)

0% less capital invested

Capital invested by funds: $74.6B → $74.2B (-$361M)

Holders
1,775
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
31
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.79B
Puts
$1.72B
Net Calls
Net Calls Change

Top Buyers

1 +$608M
2 +$587M
3 +$562M
4
Coatue Management
Coatue Management
New York
+$303M
5
Citadel Advisors
Citadel Advisors
Florida
+$257M

Top Sellers

1 -$1.28B
2 -$468M
3 -$271M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$260M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$234M
Name Holding Trade Value Shares
Change
Change in
Stake
RAM
551
Roanoke Asset Management
New Jersey
$3.79M
VLKIM
552
Van Lanschot Kempen Investment Management
Netherlands
$3.78M
PE
553
Point72 Europe
United Kingdom
$3.74M
MPPLM
554
Midwest Professional Planners Ltd (MPPL)
Wisconsin
$3.74M
RB
555
Rodgers Brothers
Pennsylvania
$3.74M
BF
556
BOK Financial
Oklahoma
$3.73M
SCM
557
Sterling Capital Management
North Carolina
$3.71M
JC
558
JB Capital
Connecticut
$3.66M
CAM
559
Crown Advisors Management
California
$3.63M
VAM
560
Valliance Asset Management
Hong Kong
$3.63M
PIM
561
Plato Investment Management
Australia
$3.63M
SFS
562
Stiles Financial Services
Minnesota
$3.61M
ACA
563
Aptus Capital Advisors
Alabama
$3.61M
CUAMC
564
China Universal Asset Management Company
China
$3.61M
AAM
565
Azzad Asset Management
Virginia
$3.6M
LIM
566
Lathrop Investment Management
Arkansas
$3.59M
BIM
567
Brentview Investment Management
Illinois
$3.58M
KC
568
Katamaran Capital
United Kingdom
$3.57M
UH
569
Unigestion Holding
Switzerland
$3.56M
CCS
570
Concentric Capital Strategies
Connecticut
$3.55M
HI
571
Horizon Investments
North Carolina
$3.54M
AC
572
Allstate Corporation
Illinois
$3.51M
AWA
573
Arkadios Wealth Advisors
Georgia
$3.51M
Jones Financial Companies
574
Jones Financial Companies
Missouri
$3.51M
RWM
575
Rockline Wealth Management
New York
$3.49M