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
Allspring Global Investments
151
Allspring Global Investments
North Carolina
$32.6M
AV
152
ASR Vermogensbeheer
Netherlands
$32.1M
National Bank of Canada
153
National Bank of Canada
Quebec, Canada
$31.9M
Renaissance Technologies
154
Renaissance Technologies
New York
$31.8M
Jones Financial Companies
155
Jones Financial Companies
Missouri
$31.3M
Daiwa Securities Group
156
Daiwa Securities Group
Japan
$30.9M
Toronto Dominion Bank
157
Toronto Dominion Bank
Ontario, Canada
$30.7M
CI Investments Inc
158
CI Investments Inc
Ontario, Canada
$30.7M
Marshall Wace
159
Marshall Wace
United Kingdom
$29.9M
SO
160
STRS Ohio
Ohio
$29.8M
ELI
161
Empire Life Investments
Ontario, Canada
$29.8M
OCM
162
Osterweis Capital Management
California
$29.4M
Wealth Enhancement Advisory Services
163
Wealth Enhancement Advisory Services
Minnesota
$29.2M
RMA
164
Roffman Miller Associates
Pennsylvania
$28.9M
DS
165
Dudley & Shanley
Florida
$28.7M
VNIM
166
Vaughan Nelson Investment Management
Texas
$28.2M
Prudential Financial
167
Prudential Financial
New Jersey
$27.4M
Jennison Associates
168
Jennison Associates
New York
$27.3M
MIF
169
Mediolanum International Funds
Ireland
$27.3M
Luther King Capital Management (LKCM)
170
Luther King Capital Management (LKCM)
Texas
$27M
CAM
171
Cresset Asset Management
Illinois
$26.7M
CC
172
Cornerstone Capital
California
$26.6M
APG Asset Management
173
APG Asset Management
Netherlands
$26.6M
New York State Common Retirement Fund
174
New York State Common Retirement Fund
New York
$26.5M
PCM
175
Palisade Capital Management
New Jersey
$26.5M