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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
WP
1601
Westmount Partners
California
$530K
VGDSS
1602
VUB Generali dochodkova spravcovska spolocnost
$527K +$479K +3,080 New
MCM
1603
Manchester Capital Management
Vermont
$527K -$171K -1,102 -26%
CA
1604
Callahan Advisors
Texas
$525K +$17.6K +113 +4%
PAP
1605
Persistent Asset Partners
Hong Kong
$524K +$476K +3,061 New
ML
1606
Mayport LLC
Massachusetts
$521K +$5.75K +37 +1%
DSAM
1607
Dock Street Asset Management
Florida
$520K
SCM
1608
Schnieders Capital Management
California
$517K -$6.22K -40 -1%
TFA
1609
Transamerica Financial Advisors
Florida
$517K +$153K +983 +48%
NCM
1610
Northside Capital Management
Oregon
$515K
TC
1611
TAGStone Capital
North Carolina
$514K
GBT
1612
Grove Bank & Trust
Florida
$512K
NPT
1613
Nixon Peabody Trust
Massachusetts
$511K -$3.73K -24 -0.8%
WAS
1614
Winch Advisory Services
Wisconsin
$511K -$53.8K -346 -10%
ICP
1615
Impact Capital Partners
Colorado
$509K -$6.69K -43 -1%
BC
1616
Brio Consultants
California
$508K -$16K -103 -3%
4WM
1617
49 Wealth Management
Texas
$507K +$42.5K +273 +10%
RBFC
1618
Roman Butler Fullerton & Co
Missouri
$507K +$358K +2,299 New
MBWA
1619
Marin Bay Wealth Advisors
California
$507K +$461K +2,963 New
WWM
1620
Western Wealth Management
Colorado
$505K +$9.8K +63 +2%
CNBT
1621
Canandaigua National Bank & Trust
New York
$505K
CMBA
1622
C.M. Bidwell & Associates
Hawaii
$505K -$14.9K -96 -3%
CCP
1623
Cane Capital Partners
Louisiana
$503K +$457K +2,937 New
CLIP
1624
Colter Lewis Investment Partners
Connecticut
$503K +$456K +2,932 New
BWM
1625
Brickley Wealth Management
California
$501K