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Amphenol

2,007 hedge funds and large institutions have $233B invested in Amphenol in 2025 Q4 according to their latest regulatory filings, with 309 funds opening new positions, 774 increasing their positions, 743 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

2% more funds holding in top 10

Funds holding in top 10: 9294 (+2)

4% more repeat investments, than reductions

Existing positions increased: 774 | Existing positions reduced: 743

14% less call options, than puts

Call options by funds: $643M | Put options by funds: $752M

Holders
2,007
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
94
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$752M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Grantham, Mayo, Van Otterloo & Co (GMO)
1026
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$1.39M
FAB
1027
First American Bank
Illinois
$1.39M
CIA
1028
Compass Ion Advisors
Pennsylvania
$1.38M
EP
1029
Edgestream Partners
New Jersey
$1.37M
SLFPAM
1030
St. Louis Financial Planners Asset Management
Missouri
$1.35M
MSFS
1031
Main Street Financial Solutions
Pennsylvania
$1.35M
TBA
1032
Tower Bridge Advisors
Pennsylvania
$1.35M
TAFW
1033
Tred Avon Family Wealth
Maryland
$1.35M
CP
1034
Canopy Partners
Ohio
$1.35M
RIA
1035
Regal Investment Advisors
Michigan
$1.34M
BDL
1036
Bey-Douglas LLC
Georgia
$1.34M
FAMI
1037
Fideuram Asset Management (Ireland)
$1.34M
SAM
1038
Silphium Asset Management
United Kingdom
$1.34M
CTA
1039
Colonial Trust Advisors
South Carolina
$1.34M
JWBC
1040
J.W. Burns & Co
New York
$1.33M
HKIMG
1041
Hutchens & Kramer Investment Management Group
Indiana
$1.33M
GM
1042
GeoWealth Management
Illinois
$1.32M
PFG
1043
PAX Financial Group
Texas
$1.31M
LFG
1044
Larson Financial Group
Missouri
$1.31M
MGAM
1045
McGowan Group Asset Management
Texas
$1.31M
GDP
1046
Great Diamond Partners
Maine
$1.3M
DCM
1047
Davidson Capital Management
Texas
$1.3M
FIB
1048
First Interstate Bank
Montana
$1.3M
KAS
1049
KPP Advisory Services
Kentucky
$1.29M
EBA
1050
Eagle Bay Advisors
New York
$1.29M