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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
MSA
576
MUFG Securities Americas
New York
$1.37M
NCM
577
Noesis Capital Mangement
Florida
$1.36M
SAM
578
Securian Asset Management
Minnesota
$1.34M
PAS
579
Park Avenue Securities
New York
$1.34M
Vontobel Holding
580
Vontobel Holding
Switzerland
$1.32M
CA
581
Clearstead Advisors
Ohio
$1.32M
SAM
582
Smartleaf Asset Management
Massachusetts
$1.31M
KRSITF
583
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$1.3M
UCFA
584
United Capital Financial Advisors
Texas
$1.3M
HWM
585
HBE Wealth Management
Nebraska
$1.29M
VT
586
Vise Technologies
New York
$1.29M
PGCM
587
Prescott Group Capital Management
Oklahoma
$1.29M
SC
588
Syon Capital
California
$1.28M
CCM
589
Coldstream Capital Management
Washington
$1.27M
BHCM
590
Brevan Howard Capital Management
Jersey
$1.25M
FC
591
Farringdon Capital
United Kingdom
$1.24M
RBWA
592
RFG - Bristol Wealth Advisors
Massachusetts
$1.23M
PA
593
PSI Advisors
Florida
$1.23M
QIM
594
Quantitative Investment Management
Virginia
$1.23M
Assenagon Asset Management
595
Assenagon Asset Management
Luxembourg
$1.22M
MAS
596
Meeder Advisory Services
Ohio
$1.22M
KTM
597
Keeler Thomas Management
Utah
$1.2M
KPPF
598
Klein Pavlis & Peasley Financial
California
$1.19M
IWA
599
IVC Wealth Advisors
Pennsylvania
$1.19M
CC
600
Centiva Capital
New York
$1.18M