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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
FSA
551
Fort Sheridan Advisors
Illinois
$10.1M +$1.09K +7 +0%
UB
552
UMB Bank
Missouri
$10M -$252K -1,618 -3%
MIC
553
Means Investment Company
Maine
$10M -$103K -660 -1%
EOJOAM
554
E. Ohman J:or Asset Management
Sweden
$9.96M +$690K +4,434 +8%
RWM
555
Rockline Wealth Management
New York
$9.94M +$356K +2,292 +4%
LFAS
556
Level Four Advisory Services
Texas
$9.91M -$9.28M -59,662 -51%
NMERB
557
New Mexico Educational Retirement Board
New Mexico
$9.9M
RP
558
Ravenswood Partners
Virginia
$9.77M -$2.88M -18,536 -25%
OC
559
Oppenheimer & Co
New York
$9.77M +$5.9M +37,933 +198%
SFI
560
Siemens Fonds Invest
Germany
$9.75M -$745K -4,790 -8%
AIP
561
Ameritas Investment Partners
Nebraska
$9.7M +$452K +2,904 +5%
JFGIW
562
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$9.68M -$986K -6,342 -10%
CDDEC
563
Caisse Des Depots Et Consignations
France
$9.61M -$1M -6,461 -10%
PIM
564
Platinum Investment Management
Australia
$9.56M -$80.8M -519,524 -90%
PP
565
Pacifica Partners
Canada
$9.5M -$249K -1,602 -3%
OA
566
Oak Associates
Ohio
$9.49M -$342K -2,200 -4%
FIA
567
Foundations Investment Advisors
Arizona
$9.48M +$1.88M +12,106 +28%
LSA
568
L & S Advisors
California
$9.46M +$8.6M +55,266 New
MPPLM
569
Midwest Professional Planners Ltd (MPPL)
Wisconsin
$9.34M +$328K +2,111 +4%
PIM
570
Plato Investment Management
Australia
$9.34M +$620K +3,989 +8%
CUAMC
571
China Universal Asset Management Company
China
$9.34M +$712K +4,576 +9%
SIA
572
Soltis Investment Advisors
Utah
$9.31M -$1.1M -7,060 -11%
PVI
573
Pine Valley Investments
New Jersey
$9.26M +$1.31M +8,427 +18%
RWA
574
River Wealth Advisors
Pennsylvania
$9.24M -$586K -3,765 -7%
FTC
575
Farmers Trust Company
Ohio
$9.22M -$443K -2,849 -5%