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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
1.37%
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
CTA
1576
Chesley Taft & Associates
Illinois
$558K -$43.4K -279 -8%
IIM
1577
Ipswich Investment Management
Massachusetts
$556K
SWA
1578
Strategies Wealth Advisors
Michigan
$555K +$4.2K +27 +0.8%
S
1579
SimplyRich
California
$554K
AF
1580
Aviso Financial
Ontario, Canada
$553K +$502K +3,228 New
KLCM
1581
KG&L Capital Management
Louisiana
$550K -$2.54M -16,340 -84%
FOA
1582
Five Oceans Advisors
California
$549K +$2.18K +14 +0.4%
SIM
1583
Sentry Investment Management
Wisconsin
$548K
BWM
1584
BlackDiamond Wealth Management
New York
$548K -$5.13K -33 -1%
AC
1585
Apella Capital
Connecticut
$547K +$3.27K +21 +0.7%
TA
1586
Tactive Advisors
Florida
$547K -$22.2K -143 -4%
PFW
1587
Petros Family Wealth
Minnesota
$546K -$183K -1,174 -27%
BPCE
1588
Bank Pictet & Cie (Europe)
Germany
$546K -$122K -784 -20%
SB
1589
Simmons Bank
Arkansas
$546K
PF
1590
Prota Financial
Texas
$546K +$496K +3,189 New
EA
1591
Everpar Advisors
Oklahoma
$546K +$216K +1,388 +77%
AF
1592
Atala Financial
California
$544K
WA
1593
Waddell & Associates
Tennessee
$539K +$119K +763 +32%
SWTS
1594
Stonehaven Wealth & Tax Solutions
Wisconsin
$539K +$109K +704 +29%
T
1595
TrustBank
Illinois
$537K +$488K +3,135 New
ZIG
1596
Zullo Investment Group
Pennsylvania
$537K -$1.55K -10 -0.3%
GWP
1597
Gen-Wealth Partners
Michigan
$537K +$350K +2,249 +254%
AG
1598
AmeriFlex Group
Nevada
$536K +$417K +2,682 +599%
RWPA
1599
Richard W. Paul & Associates
Michigan
$536K -$270K -1,736 -36%
BCM
1600
BlueCrest Capital Management
Jersey
$535K +$486K +3,123 New