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Amphenol

1,799 hedge funds and large institutions have $140B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 708 increasing their positions, 608 reducing their positions, and 85 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 capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 708 | Existing positions reduced: 608

10% more funds holding

Funds holding: 1,6361,799 (+163)

3.57% less ownership

Funds ownership: 95.99%92.42% (-3.6%)

Holders
1,799
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
91
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.82B
2 +$993M
3 +$787M
4
BlackRock
BlackRock
New York
+$778M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$548M

Top Sellers

1 -$1.89B
2 -$1.18B
3 -$1.09B
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$529M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$299M
Name Holding Trade Value Shares
Change
Change in
Stake
BMCM
926
Burns Matteson Capital Management
New York
$1.47M
AP
927
Appleton Partners
Massachusetts
$1.47M
CCM
928
Crew Capital Management
Ohio
$1.47M
CI
929
Cigna Investments
Connecticut
$1.47M
VA
930
VestGen Advisors
Illinois
$1.46M
EP
931
Edgestream Partners
New Jersey
$1.46M
SWM
932
Stockman Wealth Management
Montana
$1.46M
AI
933
Accredited Investors
Minnesota
$1.45M
SDIC
934
South Dakota Investment Council
South Dakota
$1.43M
KIM
935
Kane Investment Management
California
$1.43M
SIC
936
Sterling Investment Counsel
New York
$1.42M
SW
937
SMART Wealth
Nebraska
$1.42M
BRWA
938
B. Riley Wealth Advisors
Florida
$1.41M
SAM
939
Sompo Asset Management
Japan
$1.41M
TPM
940
Triasima Portfolio Management
Quebec, Canada
$1.41M
CPIG
941
Chicago Partners Investment Group
Illinois
$1.4M
PCM
942
Prelude Capital Management
New York
$1.4M
SAM
943
Shell Asset Management
Netherlands
$1.39M
HT
944
Heritage Trust
Oklahoma
$1.38M
DWM
945
Dynasty Wealth Management
Florida
$1.38M
AIP
946
Ameritas Investment Partners
Nebraska
$1.38M
AC
947
Avestar Capital
New York
$1.37M
IIM
948
Intact Investment Management
Quebec, Canada
$1.37M
LT
949
Legacy Trust
Michigan
$1.37M
ECM
950
Evergreen Capital Management
Washington
$1.36M