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Lam Research

2,358 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 434 funds opening new positions, 764 increasing their positions, 893 reducing their positions, and 125 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:

3.56% more ownership

Funds ownership: 80.69%84.26% (+3.6%)

14% less repeat investments, than reductions

Existing positions increased: 764 | Existing positions reduced: 893

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.05B

Holders
2,358
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
113
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.3B
Puts
$6.05B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
FCBT
401
First Citizens Bank & Trust
North Carolina
$19M
William Blair Investment Management
402
William Blair Investment Management
Illinois
$18.9M
YIA
403
YHB Investment Advisors
Connecticut
$18.8M
TCBWMS
404
Texas Capital Bank Wealth Management Services
Texas
$18.8M
WC
405
Winmill & Co
New York
$18.7M
MT
406
Midwest Trust
Kansas
$18.6M
TRCT
407
Tower Research Capital (TRC)
New York
$18.4M
LS
408
Livforsakringsbolaget Skandia
Sweden
$18.4M
CCM
409
Carderock Capital Management
Maryland
$18.1M
NTIC
410
Napean Trading & Investment Company
Singapore
$18.1M
JWM
411
Jackson Wealth Management
Florida
$18.1M
BPC
412
Banque Pictet & Cie
Switzerland
$17.9M
AFA
413
Abacus FCF Advisors
Florida
$17.9M
SAI
414
Systematic Alpha Investments
New Jersey
$17.9M
GIA
415
Gateway Investment Advisers
Ohio
$17.6M
NP
416
Nilsine Partners
Colorado
$17.6M
CCS
417
Concentric Capital Strategies
Connecticut
$17.4M
PL
418
Parkwood LLC
Ohio
$17.4M
Assenagon Asset Management
419
Assenagon Asset Management
Luxembourg
$17.3M
TRSOTSOK
420
Teachers Retirement System of the State of Kentucky
Kentucky
$17.2M
VCM
421
Violich Capital Management
California
$17.2M
DKCM
422
Davidson Kempner Capital Management
New York
$17.1M
RCW
423
Rheos Capital Works
Japan
$17M
LFG
424
Larson Financial Group
Missouri
$16.9M
GT
425
Glenview Trust
Kentucky
$16.9M