1,009 hedge funds and large institutions have $37B invested in Ametek in 2025 Q3 according to their latest regulatory filings, with 118 funds opening new positions, 380 increasing their positions, 334 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

1% more capital invested

Capital invested by funds: $36.7B → $37B (+$292M)

2.62% less ownership

Funds ownership: 87.97%85.35% (-2.6%)

7% less funds holding in top 10

Funds holding in top 10: 1514 (-1)

Holders
1,009
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$48.8M
Puts
$15.2M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PTC
1051
Petrus Trust Company
Texas
Walleye Trading
1052
Walleye Trading
New York
MPM
1053
MBB Public Markets
Illinois
GSC
1054
Ground Swell Capital
South Carolina
AIM
1055
Acropolis Investment Management
Missouri
QL
1056
Quarry LP
New York
QIM
1057
Quantitative Investment Management
Virginia
AWA
1058
Aaron Wealth Advisors
Illinois
PCP
1059
Proficio Capital Partners
Massachusetts
VA
1060
VestGen Advisors
Illinois
GM
1061
GeoWealth Management
Illinois
TIM
1062
Total Investment Management
Arizona
GWM
1063
Geneos Wealth Management
Colorado
OIAM
1064
OFI Invest Asset Management
France
IIM
1065
Intact Investment Management
Quebec, Canada
OWA
1066
Opal Wealth Advisors
New York
NC
1067
NewSquare Capital
Pennsylvania
TPWA
1068
Twin Peaks Wealth Advisors
California
RCM
1069
Richardson Capital Management
Wisconsin
RI
1070
Ridgewood Investments
New Jersey
TSMHT
1071
Thurston Springer Miller Herd & Titak
Indiana
WA
1072
Whipplewood Advisors
Colorado
MWM
1073
MorganRosel Wealth Management
Colorado
MYIA
1074
Mount Yale Investment Advisors
Colorado
T
1075
Transce3nd
Texas