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
TSMHT
1126
Thurston Springer Miller Herd & Titak
Indiana
$1.07K
NF
1127
Napier Financial
Massachusetts
$857
BIM
1128
Breakwater Investment Management
Washington
$644
SA
1129
Seneschal Advisors
Washington
$644
UCB
1130
United Community Bank
South Carolina
$643
NL
1131
NVWM LLC
Pennsylvania
$643
RFS
1132
Richardson Financial Services
Massachusetts
$643
MWM
1133
Mascoma Wealth Management
New Hampshire
$643
RPA
1134
Redwood Park Advisors
California
$429
TC
1135
Trust Company
Kansas
$429
NRG
1136
Nemes Rush Group
Michigan
$429
DCM
1137
Davis Capital Management
Florida
$429
QWM
1138
Quaker Wealth Management
New Jersey
$429
CW
1139
Curio Wealth
Maryland
$429
T
1140
Tidemark
California
$429
IWS
1141
Intentional Wealth Strategies
Colorado
$429
TWM
1142
TopTier Wealth Management
Wisconsin
$429
PWA
1143
Portus Wealth Advisors
North Carolina
$429
IAS
1144
IMA Advisory Services
Colorado
$428
BHWM
1145
Beaird Harris Wealth Management
Texas
$215
3FI
1146
3 Factor Indexing
California
$215
NWS
1147
Nvest Wealth Strategies
Ohio
$215
Norges Bank
1148
Norges Bank
Norway
Two Sigma Advisers
1149
Two Sigma Advisers
New York
Skandinaviska Enskilda Banken (SEB)
1150
Skandinaviska Enskilda Banken (SEB)
Sweden