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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
Federated Hermes
176
Federated Hermes
Pennsylvania
$43M
Handelsbanken Fonder
177
Handelsbanken Fonder
Sweden
$42.3M
O
178
Ossiam
France
$42.1M
AAF
179
Andra AP-fonden
Sweden
$41.9M
SO
180
STRS Ohio
Ohio
$41.8M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
181
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$40.9M
Ohio Public Employees Retirement System (OPERS)
182
Ohio Public Employees Retirement System (OPERS)
Ohio
$40.7M
Creative Planning
183
Creative Planning
Kansas
$40.2M
Asset Management One
184
Asset Management One
Japan
$39.4M
MGP
185
M&G plc
United Kingdom
$37.9M
Baird Financial Group
186
Baird Financial Group
Wisconsin
$37.8M
GAM
187
Guinness Asset Management
United Kingdom
$36.9M
KCM
188
Kodai Capital Management
Illinois
$36.8M
AL
189
Appaloosa LP
New Jersey
$36.4M
TCA
190
Teewinot Capital Advisers
New York
$36.1M
MSV
191
MN Services Vermogensbeheer
Netherlands
$35.5M
PI
192
PineBridge Investments
New York
$35.4M
AIP
193
ARS Investment Partners
New York
$35.2M
HF
194
HRT Financial
New York
$34.8M
FLPIM
195
F.L. Putnam Investment Management
Massachusetts
$34.6M
State of Tennessee, Department of Treasury
196
State of Tennessee, Department of Treasury
Tennessee
$33.7M
State Farm Mutual Automobile Insurance
197
State Farm Mutual Automobile Insurance
Illinois
$33.1M
Janney Montgomery Scott
198
Janney Montgomery Scott
Pennsylvania
$33.1M
CBUSF
199
Construction & Building Unions Superannuation Fund
Australia
$33.1M
Mercer Global Advisors
200
Mercer Global Advisors
Colorado
$32.9M