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
BWL
376
Bogart Wealth LLC
Virginia
$5.52M
CCIA
377
Campbell & Co Investment Adviser
Maryland
$5.49M
Macquarie Group
378
Macquarie Group
Australia
$5.44M
PC
379
Promethos Capital
Massachusetts
$5.44M
Focus Partners Wealth
380
Focus Partners Wealth
Massachusetts
$5.42M
EI
381
Ethic Inc
New York
$5.41M
AssetMark Inc
382
AssetMark Inc
California
$5.33M
ACM
383
Ayrshire Capital Management
Connecticut
$5.24M
AUB
384
Atlantic Union Bankshares
Virginia
$5.23M
EMPI
385
Elo Mutual Pension Insurance
Finland
$5.21M
VIM
386
Vinva Investment Management
Australia
$5.2M
EF
387
Empowered Funds
Pennsylvania
$5.19M
N
388
Numerai
California
$5.1M
CISOA
389
Capital Investment Services of America
Wisconsin
$5.07M
GCM
390
Graham Capital Management
Connecticut
$4.99M
RC
391
Roundview Capital
New Jersey
$4.92M
CIC
392
Carnegie Investment Counsel
Ohio
$4.92M
AC
393
Allstate Corporation
Illinois
$4.89M
M&T Bank
394
M&T Bank
New York
$4.87M
WA
395
Waverly Advisors
Alabama
$4.76M
KAS
396
Kestra Advisory Services
Texas
$4.58M
Susquehanna International Group
397
Susquehanna International Group
Pennsylvania
$4.48M
FAM
398
Fulcrum Asset Management
United Kingdom
$4.48M
Fuller & Thaler Asset Management
399
Fuller & Thaler Asset Management
California
$4.39M
FNBOO
400
First National Bank of Omaha
Nebraska
$4.3M