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Lam Research

2,103 hedge funds and large institutions have $136B invested in Lam Research in 2025 Q3 according to their latest regulatory filings, with 349 funds opening new positions, 763 increasing their positions, 729 reducing their positions, and 93 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% more repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 729

1.77% less ownership

Funds ownership: 82.48%80.71% (-1.8%)

16% less call options, than puts

Call options by funds: $2.73B | Put options by funds: $3.24B

Holders
2,103
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
82
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.73B
Puts
$3.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Fifth Third Bancorp
351
Fifth Third Bancorp
Ohio
$20.5M
Cambridge Investment Research Advisors
352
Cambridge Investment Research Advisors
Iowa
$20.4M
CAM
353
Capco Asset Management
Florida
$20.4M
NTIC
354
Napean Trading & Investment Company
Singapore
$20.3M
CPCPP
355
Canada Post Corporation Pension Plan
Canada
$20.1M
YCM
356
Yousif Capital Management
Michigan
$19.7M
OPERF
357
Oregon Public Employees Retirement Fund
Oregon
$19.4M
KAS
358
Kestra Advisory Services
Texas
$19.3M
Walleye Capital
359
Walleye Capital
New York
$18.8M
FCBT
360
First Citizens Bank & Trust
North Carolina
$18.8M
FMC
361
First Merchants Corp
Indiana
$18.7M
HI
362
Horizon Investments
North Carolina
$18.4M
TBA
363
Tower Bridge Advisors
Pennsylvania
$18.4M
Optiver Holding
364
Optiver Holding
Netherlands
$18.2M
SOADOR
365
State of Alaska Department of Revenue
Alaska
$18.1M
NA
366
NewEdge Advisors
Louisiana
$18M
MMA
367
Mizuho Markets Americas
New York
$17.9M
GCM
368
Genus Capital Management
British Columbia, Canada
$17.9M
GAM
369
Generali Asset Management
Italy
$17.5M
WAM
370
Weiss Asset Management
Massachusetts
$17.4M
CGH
371
Crossmark Global Holdings
Texas
$17.2M
Wealthfront Advisers
372
Wealthfront Advisers
California
$17.2M
LSV Asset Management
373
LSV Asset Management
Illinois
$17M
CFB
374
Cullen/Frost Bankers
Texas
$16.9M
OBAM
375
ODDO BHF Asset Management
France
$16.8M