1,147 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, 368 reducing their positions, and 92 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,147
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
Bank of Nova Scotia
226
Bank of Nova Scotia
Ontario, Canada
$17.6M
CAM
227
Congress Asset Management
Massachusetts
$17.3M
TAF
228
Tredje AP-fonden
Sweden
$17.3M
DnB Asset Management
229
DnB Asset Management
Norway
$17.3M
IC
230
IEQ Capital
California
$17.2M
Los Angeles Capital Management
231
Los Angeles Capital Management
California
$17M
State of New Jersey Common Pension Fund D
232
State of New Jersey Common Pension Fund D
New Jersey
$17M
Nomura Asset Management
233
Nomura Asset Management
Japan
$17M
MIF
234
Mediolanum International Funds
Ireland
$16.9M
Hudson Bay Capital Management
235
Hudson Bay Capital Management
Connecticut
$16.8M
TI
236
Trexquant Investment
Connecticut
$16.6M
Swedbank
237
Swedbank
Sweden
$16.6M
WCA
238
Waratah Capital Advisors
Ontario, Canada
$16.5M
Toronto Dominion Bank
239
Toronto Dominion Bank
Ontario, Canada
$16.4M
MOACM
240
Mutual of America Capital Management
New York
$16.2M
JG
241
Jain Global
New York
$15.9M
LF
242
Lansforsakringar Fondforvaltning
Sweden
$15.6M
VMPIC
243
Varma Mutual Pension Insurance Co
Finland
$15.2M
Creative Planning
244
Creative Planning
Kansas
$15M
RAM
245
Resona Asset Management
Japan
$14.8M
HWA
246
HCR Wealth Advisors
California
$14.7M
WorldQuant Millennium Advisors
247
WorldQuant Millennium Advisors
New York
$14.7M
ROC
248
Running Oak Capital
Minnesota
$14.4M
T. Rowe Price Investment Management
249
T. Rowe Price Investment Management
Maryland
$14.2M
NCM
250
Novare Capital Management
North Carolina
$14.2M