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1,033 hedge funds and large institutions have $37.4B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 120 funds opening new positions, 390 increasing their positions, 341 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

221% more call options, than puts

Call options by funds: $48.8M | Put options by funds: $15.2M

62% more first-time investments, than exits

New positions opened: 120 | Existing positions closed: 74

14% more repeat investments, than reductions

Existing positions increased: 390 | Existing positions reduced: 341

3% more funds holding

Funds holding: 1,0031,033 (+30)

2% more capital invested

Capital invested by funds: $36.8B → $37.4B (+$646M)

1.81% less ownership

Funds ownership: 88.14%86.33% (-1.8%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,033
Holders Change
+30
Holders Change %
+2.99%
% of All Funds
13.56%
Holding in Top 10
14
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-6.67%
% of All Funds
0.18%
New
120
Increased
390
Reduced
341
Closed
74
Calls
$48.8M
Puts
$15.2M
Net Calls
+$33.6M
Net Calls Change
+$18.8M
Name Holding Trade Value Shares
Change
Change in
Stake
1WM
376
1858 Wealth Management
Ohio
$3.98M -$168K -915 -4%
Rafferty Asset Management
377
Rafferty Asset Management
New York
$3.91M -$11.4K -62 -0.3%
FNBOO
378
First National Bank of Omaha
Nebraska
$3.87M -$186K -1,010 -5%
Commonwealth Equity Services
379
Commonwealth Equity Services
Massachusetts
$3.85M -$127K -692 -3%
GC
380
Guggenheim Capital
Illinois
$3.82M -$390K -2,120 -9%
N
381
Numerai
California
$3.8M +$2.23M +12,094 +149%
Public Sector Pension Investment Board (PSP Investments)
382
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.78M +$459K +2,497 +14%
GAM
383
Generali Asset Management
Italy
$3.69M +$348K +1,893 +11%
BCI
384
Brinker Capital Investments
Pennsylvania
$3.66M -$62.7K -341 -2%
KAS
385
Kestra Advisory Services
Texas
$3.61M +$114K +622 +3%
ClearBridge Investments
386
ClearBridge Investments
New York
$3.58M +$1.28M +6,971 +58%
GAM
387
Groupama Asset Management
France
$3.57M -$4.02M -21,832 -53%
MGP
388
Metis Global Partners
California
$3.56M -$172K -934 -5%
VIM
389
Vinva Investment Management
Australia
$3.47M +$843K +4,582 +33%
MC
390
Moors & Cabot
Massachusetts
$3.46M +$47.1K +256 +1%
MCM
391
MAI Capital Management
Ohio
$3.46M +$855K +4,648 +34%
BCM
392
Buckhead Capital Management
Georgia
$3.39M +$44.2K +240 +1%
CWP
393
Core Wealth Partners
California
$3.38M
HP
394
Hikari Power
Japan
$3.35M
CCIA
395
Campbell & Co Investment Adviser
Maryland
$3.3M +$182K +991 +6%
SCM
396
Seascape Capital Management
New Hampshire
$3.29M +$227K +1,233 +8%
BRCM
397
Bright Rock Capital Management
Massachusetts
$3.29M
Baird Financial Group
398
Baird Financial Group
Wisconsin
$3.21M +$49.5K +269 +2%
NRS
399
Neville Rodie & Shaw
New York
$3.19M
SPIA
400
Steward Partners Investment Advisory
New York
$3.14M +$105K +572 +4%