1,116 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 180 funds opening new positions, 398 increasing their positions, 370 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: 1,0271,116 (+89)

2.87% more ownership

Funds ownership: 86.26%89.14% (+2.9%)

8% more repeat investments, than reductions

Existing positions increased: 398 | Existing positions reduced: 370

Holders
1,116
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
Mitsubishi UFJ Trust & Banking
201
Mitsubishi UFJ Trust & Banking
Japan
$20M
GAM
202
Gotham Asset Management
New York
$19.7M
PMAM
203
Picton Mahoney Asset Management
Ontario, Canada
$19M
CCS
204
Concentric Capital Strategies
Connecticut
$18.9M
State of Tennessee, Department of Treasury
205
State of Tennessee, Department of Treasury
Tennessee
$18.8M
Walleye Capital
206
Walleye Capital
New York
$18.4M
CB
207
Commerce Bank
Missouri
$18.4M
MSV
208
MN Services Vermogensbeheer
Netherlands
$18.2M
Hudson Bay Capital Management
209
Hudson Bay Capital Management
Connecticut
$17.5M
CIBC Asset Management
210
CIBC Asset Management
Ontario, Canada
$17.3M
Nisa Investment Advisors
211
Nisa Investment Advisors
Missouri
$17.1M
Mirae Asset Global ETFs Holdings
212
Mirae Asset Global ETFs Holdings
Hong Kong
$17M
Swedbank
213
Swedbank
Sweden
$16.9M
IC
214
IEQ Capital
California
$16.8M
GIA
215
GHP Investment Advisors
Colorado
$16.7M
Credit Agricole
216
Credit Agricole
France
$16.6M
KK
217
KLP Kapitalforvaltning
Norway
$16.5M
ROC
218
Running Oak Capital
Minnesota
$16.4M
State of New Jersey Common Pension Fund D
219
State of New Jersey Common Pension Fund D
New Jersey
$16.3M
T. Rowe Price Investment Management
220
T. Rowe Price Investment Management
Maryland
$16M
HWA
221
HCR Wealth Advisors
California
$15.9M
Nomura Asset Management
222
Nomura Asset Management
Japan
$15.7M
MOACM
223
Mutual of America Capital Management
New York
$15.7M
CAM
224
Congress Asset Management
Massachusetts
$15.6M
DnB Asset Management
225
DnB Asset Management
Norway
$15.5M