1,123 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 183 funds opening new positions, 399 increasing their positions, 372 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 1,0301,123 (+93)

2.92% more ownership

Funds ownership: 86.28%89.2% (+2.9%)

7% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 372

Holders
1,123
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$87.1M
Puts
$49M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
TSMHT
1101
Thurston Springer Miller Herd & Titak
Indiana
$1.03K
QA
1102
Quattro Advisors
Pennsylvania
$821
PEAK6
1103
PEAK6
Illinois
$638
CIAS
1104
CBIZ Investment Advisory Services
Ohio
$616
UCB
1105
United Community Bank
South Carolina
$616
HFS
1106
Hughes Financial Services
Virginia
$616
BIM
1107
Breakwater Investment Management
Washington
$616
SA
1108
Seneschal Advisors
Washington
$616
RPA
1109
Redwood Park Advisors
California
$616
NL
1110
NVWM LLC
Pennsylvania
$616
Q1WB
1111
Quest 10 Wealth Builders
Virginia
$542
EFMH
1112
E Fund Management (HK)
Hong Kong
$455
WW
1113
Winnow Wealth
Texas
$412
DCM
1114
Davis Capital Management
Florida
$411
QWM
1115
Quaker Wealth Management
New Jersey
$411
NRG
1116
Nemes Rush Group
Michigan
$411
AG
1117
AmeriFlex Group
Nevada
$411
TC
1118
Trust Company
Kansas
$411
LIA
1119
Luken Investment Analytics
Tennessee
$411
IAS
1120
IMA Advisory Services
Colorado
$410
BHWM
1121
Beaird Harris Wealth Management
Texas
$206
BCWM
1122
Bartlett & Co Wealth Management
Ohio
$205
RJA
1123
Ross\Johnson & Associates
Minnesota
$205
IP
1124
Interval Partners
New York
Zurich Cantonal Bank
1125
Zurich Cantonal Bank
Switzerland