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Lam Research

2,347 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 427 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
2,347
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
Russell Investments Group
76
Russell Investments Group
United Kingdom
$339M
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$338M
Principal Financial Group
78
Principal Financial Group
Iowa
$337M
Mackenzie Financial
79
Mackenzie Financial
Ontario, Canada
$315M
A
80
AustralianSuper
Australia
$314M
Raymond James Financial
81
Raymond James Financial
Florida
$308M
Truist Financial
82
Truist Financial
North Carolina
$307M
Victory Capital Management
83
Victory Capital Management
Texas
$306M
Prudential Financial
84
Prudential Financial
New Jersey
$301M
Jacobs Levy Equity Management
85
Jacobs Levy Equity Management
New Jersey
$299M
Lord, Abbett & Co
86
Lord, Abbett & Co
New Jersey
$294M
Schroder Investment Management Group
87
Schroder Investment Management Group
United Kingdom
$289M
Two Sigma Advisers
88
Two Sigma Advisers
New York
$288M
Neuberger Berman Group
89
Neuberger Berman Group
New York
$286M
Bank of Montreal
90
Bank of Montreal
Ontario, Canada
$285M
Bank Julius Baer & Co
91
Bank Julius Baer & Co
Switzerland
$281M
TD Asset Management
92
TD Asset Management
Ontario, Canada
$269M
Universal-Beteiligungs- und Servicegesellschaft
93
Universal-Beteiligungs- und Servicegesellschaft
Germany
$258M
Fidelity International
94
Fidelity International
Bermuda
$256M
New York State Common Retirement Fund
95
New York State Common Retirement Fund
New York
$245M
BWC
96
Blue Whale Capital
United Kingdom
$244M
Man Group
97
Man Group
United Kingdom
$241M
LPL Financial
98
LPL Financial
California
$240M
Mirae Asset Global Investments
99
Mirae Asset Global Investments
South Korea
$235M
ECSS
100
Eurizon Capital SGR SpA
$223M