1,146 hedge funds and large institutions have $43B invested in Ametek in 2026 Q1 according to their latest regulatory filings, with 137 funds opening new positions, 461 increasing their positions, 367 reducing their positions, and 92 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,146
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
22
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$99M
Puts
$46.3M
Net Calls
Net Calls Change

Top Buyers

1 +$247M
2 +$168M
3 +$143M
4
Two Sigma Investments
Two Sigma Investments
New York
+$138M
5
JP Morgan Chase
JP Morgan Chase
New York
+$122M

Top Sellers

1 -$256M
2 -$232M
3 -$215M
4
BlackRock
BlackRock
New York
-$183M
5
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$165M
Name Holding Trade Value Shares
Change
Change in
Stake
ELI
176
Empire Life Investments
Ontario, Canada
$30M
DS
177
Dudley & Shanley
Florida
$30M
RMA
178
Roffman Miller Associates
Pennsylvania
$29.5M
CI Investments Inc
179
CI Investments Inc
Ontario, Canada
$29.3M
CC
180
Cornerstone Capital
California
$28.7M
KK
181
KLP Kapitalforvaltning
Norway
$28.7M
GLF
182
Groupe la Francaise
France
$28.6M
CAM
183
Cresset Asset Management
Illinois
$28.1M
Luther King Capital Management (LKCM)
184
Luther King Capital Management (LKCM)
Texas
$28.1M
SAM
185
Scopus Asset Management
New York
$28M
State of Wisconsin Investment Board
186
State of Wisconsin Investment Board
Wisconsin
$27.4M
PCM
187
Palisade Capital Management
New Jersey
$27.1M
Public Employees Retirement Association of Colorado
188
Public Employees Retirement Association of Colorado
Colorado
$27.1M
New York State Common Retirement Fund
189
New York State Common Retirement Fund
New York
$26.8M
HF
190
HRT Financial
New York
$26.3M
APG Asset Management
191
APG Asset Management
Netherlands
$26.3M
Cerity Partners
192
Cerity Partners
New York
$26.1M
First Trust Advisors
193
First Trust Advisors
Illinois
$25.9M
LGF
194
LGT Group Foundation
Liechtenstein
$25.8M
Pictet Asset Management
195
Pictet Asset Management
Switzerland
$25.8M
Chevy Chase Trust
196
Chevy Chase Trust
Maryland
$25.3M
NAMI
197
Nomura Asset Management International
Pennsylvania
$25.1M
OCM
198
Osterweis Capital Management
California
$25.1M
Alyeska Investment Group
199
Alyeska Investment Group
Illinois
$25M
BA
200
Bridgewater Associates
Connecticut
$25M