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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
IIC
1276
Ironwood Investment Counsel
Arizona
$1.11M
WA
1277
Westfuller Advisors
New York
$1.11M
CCA
1278
Cypress Capital Advisors
Tennessee
$1.11M
RIL
1279
Rothschild Investment LLC
Illinois
$1.1M
AIM
1280
Anchor Investment Management
South Carolina
$1.1M
NAS
1281
Nicolet Advisory Services
Wisconsin
$1.09M
RIM
1282
Redwood Investment Management
Arizona
$1.09M
WH
1283
Wallace Hart
Kentucky
$1.09M
WG
1284
Wealth Group
North Carolina
$1.09M
AI
1285
Accredited Investors
Minnesota
$1.08M
WMA
1286
West Michigan Advisors
Michigan
$1.08M
QC
1287
Quent Capital
New York
$1.08M
HWA
1288
HMV Wealth Advisors
Louisiana
$1.08M
CFO
1289
CVA Family Office
Colorado
$1.08M
AAP
1290
Arax Advisory Partners
Colorado
$1.08M
QLSGSCF
1291
Quent Long Short Global Small Cap Fund
New York
$1.07M
MAM
1292
McLean Asset Management
Virginia
$1.06M
PCS
1293
Personal CFO Solutions
New Jersey
$1.06M
WFI
1294
West Family Investments
California
$1.05M
SI
1295
Seeds Investor
New York
$1.05M
PFBT
1296
Parkside Financial Bank & Trust
Missouri
$1.05M
Fayez Sarofim & Co
1297
Fayez Sarofim & Co
Texas
$1.05M
CB
1298
Centennial Bank
Arkansas
$1.05M
SF
1299
Sun Financial
Utah
$1.04M
ANBT
1300
American National Bank & Trust
Texas
$1.03M