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
IIM
451
INTECH Investment Management
Florida
$2.92M
WSFS
452
Wilmington Savings Fund Society
Delaware
$2.88M
Northwestern Mutual Wealth Management
453
Northwestern Mutual Wealth Management
Wisconsin
$2.87M
AWM
454
Apollon Wealth Management
South Carolina
$2.85M
ET
455
Entropy Technologies
New York
$2.85M
HIMCH
456
Hartford Investment Management Co (HIMCO)
Connecticut
$2.82M
OWIM
457
Old West Investment Management
California
$2.78M
Cambridge Investment Research Advisors
458
Cambridge Investment Research Advisors
Iowa
$2.76M
AA
459
ALPS Advisors
Colorado
$2.72M
VA
460
Vident Advisory
Georgia
$2.69M
FWCM
461
Ferguson Wellman Capital Management
Oregon
$2.67M
GAM
462
Generali Asset Management
Italy
$2.64M
CPW
463
Cove Private Wealth
New York
$2.63M
GAM
464
Groupama Asset Management
France
$2.62M
AC
465
Addison Capital
Pennsylvania
$2.61M
II
466
Inspire Investing
Idaho
$2.59M
SM
467
Sciencast Management
New Jersey
$2.59M
VAS
468
Vestmark Advisory Solutions
Massachusetts
$2.58M
QCM
469
QRG Capital Management
Illinois
$2.58M
AAF
470
Andra AP-fonden
Sweden
$2.57M
CF
471
Convergence Financial
Missouri
$2.56M
LSERS
472
Louisiana State Employees Retirement System
Louisiana
$2.51M
CIBC World Market
473
CIBC World Market
Ontario, Canada
$2.51M
FPW
474
Fairvoy Private Wealth
Alabama
$2.51M
AAIS
475
ABN AMRO Investment Solutions
$2.49M