1,148 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, 462 increasing their positions, 368 reducing their positions, and 91 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,148
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
SAM
576
Securian Asset Management
Minnesota
$1.34M
PAS
577
Park Avenue Securities
New York
$1.34M
Vontobel Holding
578
Vontobel Holding
Switzerland
$1.32M
CA
579
Clearstead Advisors
Ohio
$1.32M
SAM
580
Smartleaf Asset Management
Massachusetts
$1.31M
KRSITF
581
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$1.3M
UCFA
582
United Capital Financial Advisors
Texas
$1.3M
HWM
583
HBE Wealth Management
Nebraska
$1.29M
VT
584
Vise Technologies
New York
$1.29M
PGCM
585
Prescott Group Capital Management
Oklahoma
$1.29M
SC
586
Syon Capital
California
$1.28M
CCM
587
Coldstream Capital Management
Washington
$1.27M
BHCM
588
Brevan Howard Capital Management
Jersey
$1.25M
FC
589
Farringdon Capital
United Kingdom
$1.24M
RBWA
590
RFG - Bristol Wealth Advisors
Massachusetts
$1.23M
PA
591
PSI Advisors
Florida
$1.23M
QIM
592
Quantitative Investment Management
Virginia
$1.23M
Assenagon Asset Management
593
Assenagon Asset Management
Luxembourg
$1.22M
MAS
594
Meeder Advisory Services
Ohio
$1.22M
KTM
595
Keeler Thomas Management
Utah
$1.2M
KPPF
596
Klein Pavlis & Peasley Financial
California
$1.19M
IWA
597
IVC Wealth Advisors
Pennsylvania
$1.19M
CC
598
Centiva Capital
New York
$1.18M
KeyBank National Association
599
KeyBank National Association
Ohio
$1.18M
WFAG
600
Wescott Financial Advisory Group
Pennsylvania
$1.17M