1,018 hedge funds and large institutions have $37.3B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 385 increasing their positions, 337 reducing their positions, and 76 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: $36.7B → $37.3B (+$588M)

1.95% less ownership

Funds ownership: 88.09%86.14% (-1.9%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,018
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$48.8M
Puts
$15.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
HF
326
HRT Financial
New York
$5.68M
FMII
327
Farmers & Merchants Investments Inc
Nebraska
$5.66M
RIM
328
Rakuten Investment Management
Japan
$5.58M
PC
329
Promethos Capital
Massachusetts
$5.47M
Wealthfront Advisers
330
Wealthfront Advisers
California
$5.45M
OBAM
331
ODDO BHF Asset Management
France
$5.43M
AF
332
Aviso Financial
Ontario, Canada
$5.4M
NEI
333
Northwest & Ethical Investments
Ontario, Canada
$5.36M
DSC
334
Duncker Streett & Co
Missouri
$5.36M
ACM
335
Aquatic Capital Management
Illinois
$5.33M
SOADOR
336
State of Alaska Department of Revenue
Alaska
$5.28M
MMM
337
Mendel Money Management
Illinois
$5.11M
YCM
338
Yousif Capital Management
Michigan
$5.07M
VPIM
339
Vanguard Personalized Indexing Management
California
$5.06M
AUB
340
Atlantic Union Bankshares
Virginia
$4.97M
OSAM
341
O'Shaughnessy Asset Management
Connecticut
$4.97M
OPERF
342
Oregon Public Employees Retirement Fund
Oregon
$4.97M
EMPI
343
Elo Mutual Pension Insurance
Finland
$4.85M
SP
344
Saranac Partners
$4.83M
NIM
345
NEOS Investment Management
Connecticut
$4.81M
BWL
346
Bogart Wealth LLC
Virginia
$4.77M
M&T Bank
347
M&T Bank
New York
$4.76M
EF
348
Empowered Funds
Pennsylvania
$4.69M
SCM
349
Sterling Capital Management
North Carolina
$4.62M
QCG
350
Quadrant Capital Group
Ohio
$4.62M