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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
WA
1576
Waddell & Associates
Tennessee
$539K
SWTS
1577
Stonehaven Wealth & Tax Solutions
Wisconsin
$539K
T
1578
TrustBank
Illinois
$537K
ZIG
1579
Zullo Investment Group
Pennsylvania
$537K
GWP
1580
Gen-Wealth Partners
Michigan
$537K
AG
1581
AmeriFlex Group
Nevada
$536K
RWPA
1582
Richard W. Paul & Associates
Michigan
$536K
BCM
1583
BlueCrest Capital Management
Jersey
$535K
WP
1584
Westmount Partners
California
$530K
VGDSS
1585
VUB Generali dochodkova spravcovska spolocnost
$527K
MCM
1586
Manchester Capital Management
Vermont
$527K
CA
1587
Callahan Advisors
Texas
$525K
PAP
1588
Persistent Asset Partners
Hong Kong
$524K
ML
1589
Mayport LLC
Massachusetts
$521K
DSAM
1590
Dock Street Asset Management
Florida
$520K
SCM
1591
Schnieders Capital Management
California
$517K
TFA
1592
Transamerica Financial Advisors
Florida
$517K
NCM
1593
Northside Capital Management
Oregon
$515K
TC
1594
TAGStone Capital
North Carolina
$514K
GBT
1595
Grove Bank & Trust
Florida
$512K
NPT
1596
Nixon Peabody Trust
Massachusetts
$511K
WAS
1597
Winch Advisory Services
Wisconsin
$511K
ICP
1598
Impact Capital Partners
Colorado
$509K
BC
1599
Brio Consultants
California
$508K
4WM
1600
49 Wealth Management
Texas
$507K