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Lam Research

2,385 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 452 funds opening new positions, 768 increasing their positions, 896 reducing their positions, and 125 closing their positions.

New
Increased
Maintained
Reduced
Closed

262% more first-time investments, than exits

New positions opened: 452 | Existing positions closed: 125

38% more funds holding in top 10

Funds holding in top 10: 82113 (+31)

34% more capital invested

Capital invested by funds: $136B → $183B (+$46.5B)

13% more funds holding

Funds holding: 2,1062,385 (+279)

3.11% more ownership

Funds ownership: 80.78%83.89% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 768 | Existing positions reduced: 896

29% less call options, than puts

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

Holders
2,385
Holders Change
+279
Holders Change %
+13.25%
% of All Funds
29.02%
Holding in Top 10
113
Holding in Top 10 Change
+31
Holding in Top 10 Change %
+37.8%
% of All Funds
1.38%
New
452
Increased
768
Reduced
896
Closed
125
Calls
$4.3B
Puts
$6.05B
Net Calls
-$1.75B
Net Calls Change
-$1.25B
Name Holding Trade Value Shares
Change
Change in
Stake
SWP
401
Stratos Wealth Partners
Ohio
$19.3M +$153K +984 +0.9%
AWA
402
Arkadios Wealth Advisors
Georgia
$19.1M +$2.01M +12,938 +13%
LSV Asset Management
403
LSV Asset Management
Illinois
$19.1M -$2.4M -15,444 -12%
FCBT
404
First Citizens Bank & Trust
North Carolina
$19M -$4.55M -29,270 -21%
William Blair Investment Management
405
William Blair Investment Management
Illinois
$18.9M -$270M -1,732,948 -94%
YIA
406
YHB Investment Advisors
Connecticut
$18.8M +$17.1M +109,904 New
TCBWMS
407
Texas Capital Bank Wealth Management Services
Texas
$18.8M +$562K +3,614 +3%
WC
408
Winmill & Co
New York
$18.7M
MT
409
Midwest Trust
Kansas
$18.6M -$1.66M -10,682 -9%
TRCT
410
Tower Research Capital (TRC)
New York
$18.4M +$7.09M +45,554 +73%
LS
411
Livforsakringsbolaget Skandia
Sweden
$18.4M -$148K -952 -0.9%
CCM
412
Carderock Capital Management
Maryland
$18.1M -$2.4M -15,434 -13%
NTIC
413
Napean Trading & Investment Company
Singapore
$18.1M -$7.17M -46,123 -30%
JWM
414
Jackson Wealth Management
Florida
$18.1M +$245K +1,578 +2%
BPC
415
Banque Pictet & Cie
Switzerland
$17.9M -$8.06M -51,793 -33%
AFA
416
Abacus FCF Advisors
Florida
$17.9M +$16.3M +104,730 New
SAI
417
Systematic Alpha Investments
New Jersey
$17.9M -$156 -1 -0%
GIA
418
Gateway Investment Advisers
Ohio
$17.6M -$2.12M -13,607 -12%
NP
419
Nilsine Partners
Colorado
$17.6M -$121K -779 -0.8%
CCS
420
Concentric Capital Strategies
Connecticut
$17.4M +$15.8M +101,760 New
PL
421
Parkwood LLC
Ohio
$17.4M -$389K -2,503 -2%
Assenagon Asset Management
422
Assenagon Asset Management
Luxembourg
$17.3M -$112M -719,958 -88%
TRSOTSOK
423
Teachers Retirement System of the State of Kentucky
Kentucky
$17.2M
VCM
424
Violich Capital Management
California
$17.2M
DKCM
425
Davidson Kempner Capital Management
New York
$17.1M +$15.6M +100,000 New