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1,126 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 184 funds opening new positions, 400 increasing their positions, 372 reducing their positions, and 71 closing their positions.

New
Increased
Maintained
Reduced
Closed

159% more first-time investments, than exits

New positions opened: 184 | Existing positions closed: 71

78% more call options, than puts

Call options by funds: $87.1M | Put options by funds: $49M

71% more funds holding in top 10

Funds holding in top 10: 1424 (+10)

13% more capital invested

Capital invested by funds: $37.4B → $42.1B (+$4.72B)

9% more funds holding

Funds holding: 1,0331,126 (+93)

2.89% more ownership

Funds ownership: 86.33%89.22% (+2.9%)

8% more repeat investments, than reductions

Existing positions increased: 400 | Existing positions reduced: 372

Holders
1,126
Holders Change
+93
Holders Change %
+9%
% of All Funds
13.7%
Holding in Top 10
24
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+71.43%
% of All Funds
0.29%
New
184
Increased
400
Reduced
372
Closed
71
Calls
$87.1M
Puts
$49M
Net Calls
+$38M
Net Calls Change
+$4.4M
Name Holding Trade Value Shares
Change
Change in
Stake
GC
326
Grimes & Company
Massachusetts
$6.34M +$6.01M +30,898 New
RIM
327
Rakuten Investment Management
Japan
$6.33M +$3.73M +19,153 +172%
CHAM
328
Clear Harbor Asset Management
Connecticut
$6.27M +$2.92K +15 +0%
NIM
329
NEOS Investment Management
Connecticut
$6.27M +$963K +4,948 +19%
HTI
330
Hikari Tsushin Inc
Japan
$6.27M -$333K -1,710 -5%
Public Sector Pension Investment Board (PSP Investments)
331
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$6.12M +$1.89M +9,732 +48%
AG
332
AIA Group
Hong Kong
$6.12M +$5.8M +29,786 New
IG
333
ING Group
Netherlands
$6.11M -$12.1M -62,306 -68%
OSAM
334
O'Shaughnessy Asset Management
Connecticut
$6.03M +$573K +2,945 +11%
AF
335
Aviso Financial
Ontario, Canada
$5.96M +$62.8K +323 +1%
PI
336
PineBridge Investments
New York
$5.96M -$1.27M -6,535 -18%
FMII
337
Farmers & Merchants Investments Inc
Nebraska
$5.92M -$247K -1,271 -4%
VPIM
338
Vanguard Personalized Indexing Management
California
$5.88M +$343K +1,763 +7%
OBAM
339
ODDO BHF Asset Management
France
$5.81M -$106K -547 -2%
MMM
340
Mendel Money Management
Illinois
$5.6M +$13.8K +71 +0.3%
PC
341
Promethos Capital
Massachusetts
$5.55M -$401K -2,060 -7%
Mercer Global Advisors
342
Mercer Global Advisors
Colorado
$5.54M +$293K +1,504 +6%
MC
343
Machina Capital
France
$5.51M +$478K +2,456 +10%
QCG
344
Quadrant Capital Group
Ohio
$5.44M +$378K +1,945 +8%
M&T Bank
345
M&T Bank
New York
$5.41M +$203K +1,043 +4%
SOADOR
346
State of Alaska Department of Revenue
Alaska
$5.41M -$342K -1,760 -6%
OPERF
347
Oregon Public Employees Retirement Fund
Oregon
$5.4M -$19.5K -100 -0.4%
Pathstone Holdings
348
Pathstone Holdings
New Jersey
$5.4M +$744K +3,825 +17%
GH
349
GAM Holding
Switzerland
$5.39M +$1.9M +9,754 +59%
YCM
350
Yousif Capital Management
Michigan
$5.36M -$349K -1,795 -7%