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
M1FG
1201
Mach-1 Financial Group
Arkansas
WFI
1202
West Family Investments
California
SAM
1203
Sagewood Asset Management
New York
AG
1204
Algert Global
California
JGC
1205
J. Goldman & Co
New York
GDP
1206
Great Diamond Partners
Maine
Group One Trading
1207
Group One Trading
Illinois
BP
1208
BNP Paribas
France
CIAM
1209
Caitong International Asset Management
Hong Kong
SIM
1210
Sentry Investment Management
Wisconsin
CCA
1211
Catalyst Capital Advisors
New York
LWANC
1212
Laurel Wealth Advisors (North Carolina)
North Carolina
BFPW
1213
BOK Financial Private Wealth
Colorado
TW
1214
Titan Wealth
FHA
1215
Flagship Harbor Advisors
Massachusetts
BF
1216
BOK Financial
Oklahoma
MW
1217
Merited Wealth
Florida
GWM
1218
Greenline Wealth Management
Florida
IUHSA
1219
Itau Unibanco Holding S.A.
Brazil
EW
1220
Elyxium Wealth
California
HHMI
1221
Howard Hughes Medical Institute
Maryland
CWM
1222
Cedar Wealth Management
California
BSB
1223
Bangor Savings Bank
Maine
OC
1224
Optima Capital
Oregon
ANBT
1225
American National Bank & Trust
Texas