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1,150 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 463 increasing their positions, 369 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $42.1B → $43B (+$859M)

1.54% less ownership

Funds ownership: 89.22%87.68% (-1.5%)

8% less funds holding in top 10

Funds holding in top 10: 2422 (-2)

Holders
1,150
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
GA
901
Greenspring Advisors
Maryland
$234K
SP
902
SmartHarvest Portfolios
Washington
$233K
ADMI
903
Albert D. Mason Inc
Massachusetts
$232K
CI
904
Conning Inc
Connecticut
$231K
RWM
905
Ritholtz Wealth Management
New York
$229K
OIA
906
OneDigital Investment Advisors
Kansas
$228K
WFA
907
Wellspring Financial Advisors
Ohio
$225K
BIAS
908
Beacon Investment Advisory Services
New Jersey
$224K
CWP
909
Curated Wealth Partners
California
$217K
TPWM
910
Torrey-Payne Wealth Management
California
$214K
BFG
911
Berger Financial Group
Minnesota
$214K
QWP
912
Quotient Wealth Partners
Texas
$214K
TCM
913
Traynor Capital Management
Pennsylvania
$212K
LA
914
Legacy Advisors
Pennsylvania
$211K
Federated Hermes
915
Federated Hermes
Pennsylvania
$211K
NS
916
NBC Securities
Alabama
$211K
SS
917
Sunbelt Securities
Texas
$210K
ISWM
918
Intesa Sanpaolo Wealth Management
$209K
BEI
919
Benjamin Edwards Inc
Missouri
$208K
AP
920
Appleton Partners
Massachusetts
$207K
WF
921
Welch & Forbes
Massachusetts
$206K
PCIA
922
Prime Capital Investment Advisors
Kansas
$206K
BAAM
923
Baker Avenue Asset Management
California
$205K
IC
924
Inscription Capital
Texas
$204K
BA
925
Bridgewater Advisors
New York
$203K