1,009 hedge funds and large institutions have $37B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 118 funds opening new positions, 380 increasing their positions, 334 reducing their positions, and 75 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:

1% more capital invested

Capital invested by funds: $36.7B → $37B (+$292M)

2.62% less ownership

Funds ownership: 87.97%85.35% (-2.6%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,009
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
RPI
301
Railway Pension Investments
United Kingdom
$6.74M
PI
302
PineBridge Investments
New York
$6.69M
X
303
Xponance
Pennsylvania
$6.68M
PA
304
PFG Advisors
Arizona
$6.66M
MYAM
305
Meiji Yasuda Asset Management
Japan
$6.57M
RCM
306
Regency Capital Management
Hawaii
$6.46M
AAP
307
Arax Advisory Partners
Colorado
$6.45M
SWMP
308
Signature Wealth Management Partners
New Jersey
$6.4M
FAF
309
Fjarde Ap-fonden
Sweden
$6.37M
Truist Financial
310
Truist Financial
North Carolina
$6.29M
Osaic Holdings
311
Osaic Holdings
Arizona
$6.26M
Susquehanna International Group
312
Susquehanna International Group
Pennsylvania
$6.25M
BCIM
313
British Columbia Investment Management
British Columbia, Canada
$6.24M
SG
314
StoneX Group
New York
$6.16M
GAAM
315
Guinness Atkinson Asset Management
California
$6.15M
KC
316
Kepler Cheuvreux
$6.13M
Brown Advisory
317
Brown Advisory
Maryland
$6.08M
HTI
318
Hikari Tsushin Inc
Japan
$6.06M
US Bancorp
319
US Bancorp
Minnesota
$6M
CBU
320
CIBC Bancorp USA
Illinois
$5.99M
PIA
321
Petredis Investment Advisors
Pennsylvania
$5.96M
NYLIM
322
New York Life Investment Management
New York
$5.95M
FMC
323
First Merchants Corp
Indiana
$5.85M
CHAM
324
Clear Harbor Asset Management
Connecticut
$5.74M
HF
325
HRT Financial
New York
$5.68M