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Lam Research

2,610 hedge funds and large institutions have $215B invested in Lam Research in 2026 Q1 according to their latest regulatory filings, with 394 funds opening new positions, 888 increasing their positions, 1,062 reducing their positions, and 105 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:

5% less call options, than puts

Call options by funds: $4.46B | Put options by funds: $4.68B

3.41% less ownership

Funds ownership: 84.35%80.94% (-3.4%)

16% less repeat investments, than reductions

Existing positions increased: 888 | Existing positions reduced: 1,062

Holders
2,610
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
139
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.46B
Puts
$4.68B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CI
251
Clal Insurance
Israel
$74M
ASRS
252
Arizona State Retirement System
Arizona
$73.5M
CNB
253
Czech National Bank
Czech Republic
$72.7M
CM
254
Castleark Management
Illinois
$71.9M
TWC
255
TD Waterhouse Canada
Ontario, Canada
$71.6M
CBUSF
256
Construction & Building Unions Superannuation Fund
Australia
$70.9M
AssetMark Inc
257
AssetMark Inc
California
$70.9M
IC
258
IEQ Capital
California
$68M
OSAM
259
O'Shaughnessy Asset Management
Connecticut
$67M
Wellington Management Group
260
Wellington Management Group
Massachusetts
$66.4M
PI
261
PineBridge Investments
New York
$66.2M
FDCDDQ
262
Federation des caisses Desjardins du Quebec
Quebec, Canada
$64.6M
SC
263
Scotia Capital
Ontario, Canada
$64.2M
DCM
264
Discovery Capital Management
Connecticut
$63.7M
GAM
265
Gotham Asset Management
New York
$63.6M
MGP
266
M&G plc
United Kingdom
$63.6M
COPPSERS
267
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$62.2M
PA
268
Pinnacle Associates
New York
$61.4M
Jones Financial Companies
269
Jones Financial Companies
Missouri
$60.5M
MGIA
270
Moneta Group Investment Advisors
Missouri
$60.5M
PCM
271
Penserra Capital Management
California
$60.3M
NLGIA
272
Nippon Life Global Investors Americas
New York
$60.2M
AS
273
Aware Super
Australia
$60M
ELI
274
Empire Life Investments
Ontario, Canada
$59.7M
CAG
275
Crestwood Advisors Group
Massachusetts
$59.3M