1,109 hedge funds and large institutions have $41.8B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 175 funds opening new positions, 396 increasing their positions, 370 reducing their positions, and 69 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: $ → $

8% more funds holding

Funds holding: 1,0271,109 (+82)

2.27% more ownership

Funds ownership: 86.27%88.54% (+2.3%)

7% more repeat investments, than reductions

Existing positions increased: 396 | Existing positions reduced: 370

Holders
1,109
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
MGWM
276
Marks Group Wealth Management
Minnesota
$8.58M
SMDAM
277
Sumitomo Mitsui DS Asset Management
Japan
$8.55M
BMSSC
278
B. Metzler seel. Sohn & Co
Germany
$8.5M
UHC
279
Union Heritage Capital
Michigan
$8.49M
BCIM
280
British Columbia Investment Management
British Columbia, Canada
$8.4M
SAM
281
Sawgrass Asset Management
Florida
$8.35M
SP
282
Saranac Partners
$8.27M
HIC
283
Harvey Investment Company
Kentucky
$8.21M
UIM
284
USS Investment Management
United Kingdom
$8.19M
DCM
285
Decatur Capital Management
Georgia
$8.1M
SI
286
Stephens Inc
Arkansas
$8.03M
IMPI
287
Ilmarinen Mutual Pension Insurance
Finland
$8.01M
FMC
288
First Merchants Corp
Indiana
$7.86M
FAF
289
Fjarde Ap-fonden
Sweden
$7.82M
X
290
Xponance
Pennsylvania
$7.8M
URS
291
Utah Retirement Systems
Utah
$7.8M
NAMP
292
NorthStar Asset Management (Pennsylvania)
Pennsylvania
$7.69M
OIAM
293
OFI Invest Asset Management
France
$7.53M
MIP
294
Marietta Investment Partners
Wisconsin
$7.5M
Mackenzie Financial
295
Mackenzie Financial
Ontario, Canada
$7.42M
RPI
296
Railway Pension Investments
United Kingdom
$7.36M
NS
297
Night Squared
New York
$7.36M
GCM
298
Graham Capital Management
Connecticut
$7.35M
Comerica Bank
299
Comerica Bank
Texas
$7.31M
PFSRSONJ
300
Police & Firemen's Retirement System of New Jersey
New Jersey
$7.28M