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
WFI
1201
West Family Investments
California
SAM
1202
Sagewood Asset Management
New York
AG
1203
Algert Global
California
JGC
1204
J. Goldman & Co
New York
GDP
1205
Great Diamond Partners
Maine
Group One Trading
1206
Group One Trading
Illinois
BP
1207
BNP Paribas
France
CIAM
1208
Caitong International Asset Management
Hong Kong
SIM
1209
Sentry Investment Management
Wisconsin
CCA
1210
Catalyst Capital Advisors
New York
LWANC
1211
Laurel Wealth Advisors (North Carolina)
North Carolina
BFPW
1212
BOK Financial Private Wealth
Colorado
TW
1213
Titan Wealth
FHA
1214
Flagship Harbor Advisors
Massachusetts
BF
1215
BOK Financial
Oklahoma
MW
1216
Merited Wealth
Florida
GWM
1217
Greenline Wealth Management
Florida
EW
1218
Elyxium Wealth
California
IUHSA
1219
Itau Unibanco Holding S.A.
Brazil
HHMI
1220
Howard Hughes Medical Institute
Maryland
BSB
1221
Bangor Savings Bank
Maine
CWM
1222
Cedar Wealth Management
California
OC
1223
Optima Capital
Oregon
ANBT
1224
American National Bank & Trust
Texas
SWA
1225
Strategic Wealth Advisors
Arizona