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Lam Research

2,628 hedge funds and large institutions have $216B invested in Lam Research in 2026 Q1 according to their latest regulatory filings, with 395 funds opening new positions, 894 increasing their positions, 1,072 reducing their positions, and 104 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

2.81% less ownership

Funds ownership: 83.87%81.06% (-2.8%)

17% less repeat investments, than reductions

Existing positions increased: 894 | Existing positions reduced: 1,072

Holders
2,628
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
RAM
226
Resona Asset Management
Japan
$88.5M
Capital Fund Management (CFM)
227
Capital Fund Management (CFM)
France
$88.3M
Calamos Advisors
228
Calamos Advisors
Illinois
$88.3M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
229
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$87.3M
ClearBridge Investments
230
ClearBridge Investments
New York
$86.4M
CIBC World Market
231
CIBC World Market
Ontario, Canada
$84.3M
US Bancorp
232
US Bancorp
Minnesota
$83.2M
Commonwealth Equity Services
233
Commonwealth Equity Services
Massachusetts
$83.1M
CI Investments Inc
234
CI Investments Inc
Ontario, Canada
$82.8M
FLPIM
235
F.L. Putnam Investment Management
Massachusetts
$82.3M
AIP
236
ARS Investment Partners
New York
$82.3M
MIF
237
Mediolanum International Funds
Ireland
$82.2M
AL
238
Appaloosa LP
New Jersey
$81.7M
Vontobel Holding
239
Vontobel Holding
Switzerland
$81.7M
BBVA
240
Banco Bilbao Vizcaya Argentaria
Spain
$81M
MNA
241
Manning & Napier Advisors
New York
$80.8M
Cetera Investment Advisers
242
Cetera Investment Advisers
Illinois
$80.7M
X
243
Xponance
Pennsylvania
$79.6M
CC
244
Cartenna Capital
Connecticut
$78M
SOMRS
245
State of Michigan Retirement System
Michigan
$77.3M
Fisher Asset Management
246
Fisher Asset Management
Washington
$76.8M
NW
247
NewEdge Wealth
Pennsylvania
$76.1M
Fifth Third Bancorp
248
Fifth Third Bancorp
Ohio
$75.6M
Janney Montgomery Scott
249
Janney Montgomery Scott
Pennsylvania
$75.4M
Public Employees Retirement Association of Colorado
250
Public Employees Retirement Association of Colorado
Colorado
$75M