1,123 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 183 funds opening new positions, 399 increasing their positions, 372 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 1,0301,123 (+93)

2.92% more ownership

Funds ownership: 86.28%89.2% (+2.9%)

7% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 372

Holders
1,123
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$87.1M
Puts
$49M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CGPCS
276
Capital Group Private Client Services
California
$8.82M
AB
277
Amalgamated Bank
New York
$8.73M
MGWM
278
Marks Group Wealth Management
Minnesota
$8.58M
SMDAM
279
Sumitomo Mitsui DS Asset Management
Japan
$8.55M
BMSSC
280
B. Metzler seel. Sohn & Co
Germany
$8.5M
UHC
281
Union Heritage Capital
Michigan
$8.49M
BCIM
282
British Columbia Investment Management
British Columbia, Canada
$8.4M
SAM
283
Sawgrass Asset Management
Florida
$8.35M
SP
284
Saranac Partners
$8.27M
HIC
285
Harvey Investment Company
Kentucky
$8.21M
UIM
286
USS Investment Management
United Kingdom
$8.19M
DCM
287
Decatur Capital Management
Georgia
$8.1M
SI
288
Stephens Inc
Arkansas
$8.03M
IMPI
289
Ilmarinen Mutual Pension Insurance
Finland
$8.01M
FMC
290
First Merchants Corp
Indiana
$7.86M
FAF
291
Fjarde Ap-fonden
Sweden
$7.82M
X
292
Xponance
Pennsylvania
$7.8M
URS
293
Utah Retirement Systems
Utah
$7.8M
NAMP
294
NorthStar Asset Management (Pennsylvania)
Pennsylvania
$7.69M
OIAM
295
OFI Invest Asset Management
France
$7.53M
MIP
296
Marietta Investment Partners
Wisconsin
$7.5M
Mackenzie Financial
297
Mackenzie Financial
Ontario, Canada
$7.42M
RPI
298
Railway Pension Investments
United Kingdom
$7.36M
NS
299
Night Squared
New York
$7.36M
GCM
300
Graham Capital Management
Connecticut
$7.35M