1,147 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 137 funds opening new positions, 461 increasing their positions, 368 reducing their positions, and 92 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,147
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99M
Puts
$46.3M
Net Calls
Net Calls Change

Top Buyers

1 +$247M
2 +$168M
3 +$143M
4
Two Sigma Investments
Two Sigma Investments
New York
+$138M
5
JP Morgan Chase
JP Morgan Chase
New York
+$122M

Top Sellers

1 -$256M
2 -$232M
3 -$215M
4
BlackRock
BlackRock
New York
-$183M
5
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$165M
Name Holding Trade Value Shares
Change
Change in
Stake
CPA
876
Capital Performance Advisors
California
$259K
CWM
877
Calamos Wealth Management
Illinois
$259K
Calamos Advisors
878
Calamos Advisors
Illinois
$259K
RA
879
Riverstone Advisors
Texas
$257K
ONB
880
Old National Bancorp
Indiana
$256K
LSIA
881
LaSalle St. Investment Advisors
Illinois
$256K
GPA
882
Guerra Pan Advisors
New Jersey
$256K
DW30
883
Drucker Wealth 3.0
New Jersey
$255K
PFM
884
Patton Fund Management
Texas
$251K
TPI
885
Trust Point Inc
Wisconsin
$251K
GAG
886
Goodman Advisory Group
Massachusetts
$250K
LCM
887
Leisure Capital Management
California
$250K
FMLI
888
Fukoku Mutual Life Insurance
Japan
$248K
EWA
889
Exencial Wealth Advisors
Oklahoma
$246K
CIA
890
Capital Investment Advisors
Georgia
$246K
CFG
891
Cooper Financial Group
California
$245K
FIB
892
First Interstate Bank
Montana
$241K
ETS
893
ESL Trust Services
New York
$241K
CIM
894
Cambria Investment Management
California
$238K
DWM
895
Dogwood Wealth Management
Kansas
$236K
MFPI
896
Midwest Financial Partners Investments
Minnesota
$236K
DT
897
DV Trading
Illinois
$236K
GA
898
Greenspring Advisors
Maryland
$234K
SP
899
SmartHarvest Portfolios
Washington
$233K
ADMI
900
Albert D. Mason Inc
Massachusetts
$232K