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Lam Research

2,385 hedge funds and large institutions have $183B invested in Lam Research in 2025 Q4 according to their latest regulatory filings, with 452 funds opening new positions, 768 increasing their positions, 896 reducing their positions, and 125 closing their positions.

New
Increased
Maintained
Reduced
Closed

262% more first-time investments, than exits

New positions opened: 452 | Existing positions closed: 125

38% more funds holding in top 10

Funds holding in top 10: 82113 (+31)

34% more capital invested

Capital invested by funds: $136B → $183B (+$46.5B)

13% more funds holding

Funds holding: 2,1062,385 (+279)

3.11% more ownership

Funds ownership: 80.78%83.89% (+3.1%)

14% less repeat investments, than reductions

Existing positions increased: 768 | Existing positions reduced: 896

29% less call options, than puts

Call options by funds: $4.3B | Put options by funds: $6.05B

Holders
2,385
Holders Change
+279
Holders Change %
+13.25%
% of All Funds
29.02%
Holding in Top 10
113
Holding in Top 10 Change
+31
Holding in Top 10 Change %
+37.8%
% of All Funds
1.38%
New
452
Increased
768
Reduced
896
Closed
125
Calls
$4.3B
Puts
$6.05B
Net Calls
-$1.75B
Net Calls Change
-$1.25B
Name Holding Trade Value Shares
Change
Change in
Stake
AFWM
1901
Arta Finance Wealth Management
California
$290K +$263K +1,693 New
WRPWM
1902
Werba Rubin Papier Wealth Management
California
$289K +$263K +1,691 New
TM
1903
Torren Management
California
$289K +$263K +1,690 New
NSAM
1904
North Star Asset Management
Wisconsin
$289K
IDA
1905
Intelligence Driven Advisers
California
$288K -$10.3K -66 -4%
TCM
1906
Teza Capital Management
Illinois
$288K -$258K -1,662 -50%
WA
1907
Winter & Associates
Minnesota
$288K +$262K +1,683 New
CMP
1908
Coston McIsaac & Partners
Maine
$287K
GKIM
1909
GW&K Investment Management
Massachusetts
$287K +$1.24K +8 +0.5%
IP
1910
Indivisible Partners
Florida
$287K +$261K +1,677 New
JF
1911
JSF Financial
California
$286K
SWM
1912
Selective Wealth Management
Virginia
$286K -$52.1K -335 -20%
ACM
1913
Absolute Capital Management
Pennsylvania
$285K +$259K +1,664 New
GCC
1914
Guardian Capital (Canada)
Ontario, Canada
$284K +$258K +1,659 New
CPW
1915
Catalyst Private Wealth
California
$284K +$10.4K +67 +4%
RL
1916
Retireful LLC
Michigan
$283K +$254K +1,630 New
RMC
1917
Ring Mountain Capital
California
$282K +$196K +1,263 New
RWA
1918
Roberts Wealth Advisors
California
$282K +$3.89K +25 +2%
CT
1919
Colonial Trust
South Carolina
$281K +$21.3K +137 +9%
GC
1920
Globeflex Capital
California
$280K
FA
1921
Faithward Advisors
Pennsylvania
$280K +$254K +1,633 New
FCM
1922
Family Capital Management
Michigan
$279K +$254K +1,631 New
LWPC
1923
Legacy Wealth Partners (Colorado)
Colorado
$279K +$253K +1,628 New
RCM
1924
Ridgepath Capital Management
Tennessee
$279K
EV
1925
EJMK Ventures
Illinois
$278K +$252K +1,622 New