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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
FA
1251
Fagan Associates
New York
$1.17M
IFS
1252
Ifrah Financial Services
Arkansas
$1.16M
LWM
1253
LJI Wealth Management
Indiana
$1.16M
VBCG
1254
Valley Brook Capital Group
Pennsylvania
$1.16M
7WCP
1255
71 West Capital Partners
Massachusetts
$1.16M
JCM
1256
Janney Capital Management
Pennsylvania
$1.16M
RCG
1257
Regatta Capital Group
California
$1.15M
PFS
1258
Physicians Financial Services
North Carolina
$1.15M
RCA
1259
Resonant Capital Advisors
Wisconsin
$1.15M
WEG
1260
World Equity Group
Illinois
$1.15M
PCM
1261
Prelude Capital Management
New York
$1.15M
MWP
1262
Madison Wealth Partners
Wisconsin
$1.15M
MFG
1263
Midwest Financial Group
Kansas
$1.14M
DQRIM
1264
Dale Q Rice Investment Management
Washington
$1.13M
BFS
1265
Burr Financial Services
California
$1.13M
AIA
1266
Affinity Investment Advisors
California
$1.13M
OL
1267
Optas LLC
Texas
$1.13M
JSL
1268
JT Stratford LLC
Georgia
$1.13M
AF
1269
Advisornet Financial
Minnesota
$1.12M
RG
1270
Rathbones Group
United Kingdom
$1.12M
PA
1271
Persium Advisors
Georgia
$1.12M
SF
1272
Symphony Financial
Texas
$1.12M
CFSG
1273
Clark Financial Services Group
Missouri
$1.12M
PI
1274
PFG Investments
New York
$1.11M
SCM
1275
Sandler Capital Management
New York
$1.11M