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
Ohio Public Employees Retirement System (OPERS)
201
Ohio Public Employees Retirement System (OPERS)
Ohio
$24M
NC
202
Nicholas Company
Wisconsin
$23.4M
SSWM
203
Smith Salley Wealth Management
North Carolina
$23.4M
MCM
204
Marsico Capital Management
Colorado
$23.3M
SBWIC
205
Schaper Benz & Wise Investment Counsel
Wisconsin
$23.3M
SAM
206
SEB Asset Management
$23.2M
VIA
207
Vanguard Investments Australia
Australia
$23.1M
Mirae Asset Global ETFs Holdings
208
Mirae Asset Global ETFs Holdings
Hong Kong
$22.2M
Asset Management One
209
Asset Management One
Japan
$21.9M
VOYA Investment Management
210
VOYA Investment Management
Georgia
$21.6M
Corient Private Wealth
211
Corient Private Wealth
Florida
$21.6M
Tudor Investment Corp
212
Tudor Investment Corp
Connecticut
$21.5M
Fidelity International
213
Fidelity International
Bermuda
$21.4M
Mitsubishi UFJ Trust & Banking
214
Mitsubishi UFJ Trust & Banking
Japan
$21.2M
CIBC Asset Management
215
CIBC Asset Management
Ontario, Canada
$21.1M
PMAM
216
Picton Mahoney Asset Management
Ontario, Canada
$19.4M
MSV
217
MN Services Vermogensbeheer
Netherlands
$19M
CB
218
Commerce Bank
Missouri
$18.9M
JF
219
Jump Financial
Illinois
$18.3M
BFM
220
Boothbay Fund Management
New York
$18.2M
TMAM
221
Tokio Marine Asset Management
Japan
$18M
State of Tennessee, Department of Treasury
222
State of Tennessee, Department of Treasury
Tennessee
$18M
Janney Montgomery Scott
223
Janney Montgomery Scott
Pennsylvania
$18M
GIA
224
GHP Investment Advisors
Colorado
$17.8M
Fifth Third Bancorp
225
Fifth Third Bancorp
Ohio
$17.8M