1,108 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, 369 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: 1,0271,108 (+81)

2.26% more ownership

Funds ownership: 86.27%88.53% (+2.3%)

7% more repeat investments, than reductions

Existing positions increased: 396 | Existing positions reduced: 369

Holders
1,108
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
GAM
201
Gotham Asset Management
New York
$19.7M
PMAM
202
Picton Mahoney Asset Management
Ontario, Canada
$19M
CCS
203
Concentric Capital Strategies
Connecticut
$18.9M
State of Tennessee, Department of Treasury
204
State of Tennessee, Department of Treasury
Tennessee
$18.8M
Walleye Capital
205
Walleye Capital
New York
$18.4M
CB
206
Commerce Bank
Missouri
$18.4M
MSV
207
MN Services Vermogensbeheer
Netherlands
$18.2M
Hudson Bay Capital Management
208
Hudson Bay Capital Management
Connecticut
$17.5M
CIBC Asset Management
209
CIBC Asset Management
Ontario, Canada
$17.3M
Nisa Investment Advisors
210
Nisa Investment Advisors
Missouri
$17.1M
Mirae Asset Global ETFs Holdings
211
Mirae Asset Global ETFs Holdings
Hong Kong
$17M
Swedbank
212
Swedbank
Sweden
$16.9M
IC
213
IEQ Capital
California
$16.8M
GIA
214
GHP Investment Advisors
Colorado
$16.7M
Credit Agricole
215
Credit Agricole
France
$16.6M
KK
216
KLP Kapitalforvaltning
Norway
$16.5M
ROC
217
Running Oak Capital
Minnesota
$16.4M
State of New Jersey Common Pension Fund D
218
State of New Jersey Common Pension Fund D
New Jersey
$16.3M
T. Rowe Price Investment Management
219
T. Rowe Price Investment Management
Maryland
$16M
HWA
220
HCR Wealth Advisors
California
$15.9M
Nomura Asset Management
221
Nomura Asset Management
Japan
$15.7M
MOACM
222
Mutual of America Capital Management
New York
$15.7M
CAM
223
Congress Asset Management
Massachusetts
$15.6M
DnB Asset Management
224
DnB Asset Management
Norway
$15.5M
HF
225
HRT Financial
New York
$15.4M