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
SCM
401
Sterling Capital Management
North Carolina
$4.27M
P
402
&Partners
Tennessee
$4.25M
TRCT
403
Tower Research Capital (TRC)
New York
$4.06M
CCS
404
Concentric Capital Strategies
Connecticut
$4.04M
OAC
405
OMERS Administration Corp
Ontario, Canada
$3.99M
FNA
406
First National Advisers
Nebraska
$3.98M
MCM
407
MAI Capital Management
Ohio
$3.95M
CS
408
Candriam SCA
Luxembourg
$3.95M
ClearBridge Investments
409
ClearBridge Investments
New York
$3.95M
PA
410
PFG Advisors
Arizona
$3.94M
TRSOTSOK
411
Teachers Retirement System of the State of Kentucky
Kentucky
$3.88M
MC
412
Moors & Cabot
Massachusetts
$3.86M
CWP
413
Core Wealth Partners
California
$3.86M
Commonwealth Equity Services
414
Commonwealth Equity Services
Massachusetts
$3.86M
SPIA
415
Steward Partners Investment Advisory
New York
$3.83M
SCM
416
Seascape Capital Management
New Hampshire
$3.83M
DSC
417
Duncker Streett & Co
Missouri
$3.82M
GIBU
418
Gulf International Bank (UK)
United Kingdom
$3.82M
BRCM
419
Bright Rock Capital Management
Massachusetts
$3.75M
Baird Financial Group
420
Baird Financial Group
Wisconsin
$3.72M
MPA
421
Marvin & Palmer Associates
Delaware
$3.63M
MFS
422
Mirabella Financial Services
United Kingdom
$3.63M
MC
423
Machina Capital
France
$3.63M
NRS
424
Neville Rodie & Shaw
New York
$3.6M
CAU
425
Caxton Associates (UK)
$3.56M