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Lam Research

2,350 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 430 funds opening new positions, 763 increasing their positions, 890 reducing their positions, and 122 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:

3.54% more ownership

Funds ownership: 80.68%84.23% (+3.5%)

14% less repeat investments, than reductions

Existing positions increased: 763 | Existing positions reduced: 890

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.04B

Holders
2,350
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
$6.04B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MAWA
1551
Moss Adams Wealth Advisors
Washington
$566K
BFS
1552
Bradley Foster & Sargent
Connecticut
$565K
PCM
1553
Poehling Capital Management
Wisconsin
$565K
RPWA
1554
Regent Peak Wealth Advisors
Georgia
$564K
MFG
1555
Menard Financial Group
Texas
$563K
IIA
1556
Integral Investment Advisors
California
$561K
DCM
1557
Driehaus Capital Management
Illinois
$561K
FFG
1558
Fiduciary Financial Group
California
$560K
CFO
1559
Cambient Family Office
Michigan
$560K
CTA
1560
Chesley Taft & Associates
Illinois
$558K
IIM
1561
Ipswich Investment Management
Massachusetts
$556K
SWA
1562
Strategies Wealth Advisors
Michigan
$555K
S
1563
SimplyRich
California
$554K
AF
1564
Aviso Financial
Ontario, Canada
$553K
KLCM
1565
KG&L Capital Management
Louisiana
$550K
FOA
1566
Five Oceans Advisors
California
$549K
SIM
1567
Sentry Investment Management
Wisconsin
$548K
BWM
1568
BlackDiamond Wealth Management
New York
$548K
AC
1569
Apella Capital
Connecticut
$547K
TA
1570
Tactive Advisors
Florida
$547K
PFW
1571
Petros Family Wealth
Minnesota
$546K
BPCE
1572
Bank Pictet & Cie (Europe)
Germany
$546K
SB
1573
Simmons Bank
Arkansas
$546K
EA
1574
Everpar Advisors
Oklahoma
$546K
AF
1575
Atala Financial
California
$544K