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Lam Research

2,621 hedge funds and large institutions have $216B invested in Lam Research in 2026 Q1 according to their latest regulatory filings, with 394 funds opening new positions, 894 increasing their positions, 1,068 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

2.86% less ownership

Funds ownership: 83.87%81.01% (-2.9%)

16% less repeat investments, than reductions

Existing positions increased: 894 | Existing positions reduced: 1,068

Holders
2,621
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
140
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
Capital Fund Management (CFM)
226
Capital Fund Management (CFM)
France
$88.3M
Calamos Advisors
227
Calamos Advisors
Illinois
$88.3M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
228
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$87.3M
ClearBridge Investments
229
ClearBridge Investments
New York
$86.4M
CIBC World Market
230
CIBC World Market
Ontario, Canada
$84.3M
US Bancorp
231
US Bancorp
Minnesota
$83.2M
Commonwealth Equity Services
232
Commonwealth Equity Services
Massachusetts
$83.1M
CI Investments Inc
233
CI Investments Inc
Ontario, Canada
$82.8M
FLPIM
234
F.L. Putnam Investment Management
Massachusetts
$82.3M
AIP
235
ARS Investment Partners
New York
$82.3M
MIF
236
Mediolanum International Funds
Ireland
$82.2M
AL
237
Appaloosa LP
New Jersey
$81.7M
Vontobel Holding
238
Vontobel Holding
Switzerland
$81.7M
BBVA
239
Banco Bilbao Vizcaya Argentaria
Spain
$81M
MNA
240
Manning & Napier Advisors
New York
$80.8M
Cetera Investment Advisers
241
Cetera Investment Advisers
Illinois
$80.7M
X
242
Xponance
Pennsylvania
$79.6M
CC
243
Cartenna Capital
Connecticut
$78M
SOMRS
244
State of Michigan Retirement System
Michigan
$77.3M
Fisher Asset Management
245
Fisher Asset Management
Washington
$76.8M
NW
246
NewEdge Wealth
Pennsylvania
$76.1M
Fifth Third Bancorp
247
Fifth Third Bancorp
Ohio
$75.6M
Janney Montgomery Scott
248
Janney Montgomery Scott
Pennsylvania
$75.4M
Public Employees Retirement Association of Colorado
249
Public Employees Retirement Association of Colorado
Colorado
$75M
EF
250
Empowered Funds
Pennsylvania
$74.8M