1,027 hedge funds and large institutions have $37.4B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 119 funds opening new positions, 387 increasing their positions, 341 reducing their positions, and 74 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 → $37.4B (+$642M)

1.82% less ownership

Funds ownership: 88.09%86.27% (-1.8%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,027
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
FNBOO
376
First National Bank of Omaha
Nebraska
$3.87M
Commonwealth Equity Services
377
Commonwealth Equity Services
Massachusetts
$3.85M
GC
378
Guggenheim Capital
Illinois
$3.82M
N
379
Numerai
California
$3.8M
Public Sector Pension Investment Board (PSP Investments)
380
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.78M
GAM
381
Generali Asset Management
Italy
$3.69M
BCI
382
Brinker Capital Investments
Pennsylvania
$3.66M
KAS
383
Kestra Advisory Services
Texas
$3.61M
ClearBridge Investments
384
ClearBridge Investments
New York
$3.58M
GAM
385
Groupama Asset Management
France
$3.57M
MGP
386
Metis Global Partners
California
$3.56M
VIM
387
Vinva Investment Management
Australia
$3.47M
MC
388
Moors & Cabot
Massachusetts
$3.46M
MCM
389
MAI Capital Management
Ohio
$3.46M
BCM
390
Buckhead Capital Management
Georgia
$3.39M
CWP
391
Core Wealth Partners
California
$3.38M
HP
392
Hikari Power
Japan
$3.35M
CCIA
393
Campbell & Co Investment Adviser
Maryland
$3.3M
SCM
394
Seascape Capital Management
New Hampshire
$3.29M
BRCM
395
Bright Rock Capital Management
Massachusetts
$3.29M
Baird Financial Group
396
Baird Financial Group
Wisconsin
$3.21M
NRS
397
Neville Rodie & Shaw
New York
$3.19M
SPIA
398
Steward Partners Investment Advisory
New York
$3.14M
MSU
399
Mizuho Securities USA
New York
$3.11M
GH
400
GAM Holding
Switzerland
$3.11M