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Amphenol

1,812 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 712 increasing their positions, 616 reducing their positions, and 87 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: 712 | Existing positions reduced: 616

10% more funds holding

Funds holding: 1,6401,812 (+172)

2.98% less ownership

Funds ownership: 96.13%93.15% (-3%)

Holders
1,812
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
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
WAM
801
WT Asset Management
Hong Kong
$2.48M
GLAM
802
Gardner Lewis Asset Management
Pennsylvania
$2.45M
HWAM
803
Hennion & Walsh Asset Management
New Jersey
$2.45M
CWMK
804
Caliber Wealth Management (Kansas)
Kansas
$2.42M
BMC
805
Benin Management Corp
Connecticut
$2.4M
CIP
806
Convergence Investment Partners
Florida
$2.39M
TC
807
TwinBeech Capital
New York
$2.38M
VT
808
Vise Technologies
New York
$2.38M
CIA
809
Concurrent Investment Advisors
Florida
$2.37M
CA
810
Clearstead Advisors
Ohio
$2.36M
NRW
811
Nova R Wealth
Kansas
$2.36M
RWM
812
Ritholtz Wealth Management
New York
$2.34M
Simplex Trading
813
Simplex Trading
Illinois
$2.34M
CAM
814
Cidel Asset Management
Ontario, Canada
$2.34M
AAF
815
Andra AP-fonden
Sweden
$2.34M
PDL
816
Portfolio Design Labs
California
$2.33M
SCM
817
SIR Capital Management
New York
$2.33M
NG
818
Novem Group
New York
$2.31M
PA
819
Paragon Advisors
Texas
$2.31M
SW
820
SteelPeak Wealth
California
$2.26M
DF
821
Donoghue Forlines
Massachusetts
$2.26M
VNA
822
Valley National Advisers
Pennsylvania
$2.26M
BOC
823
Barbara Oil Co
Illinois
$2.25M
VWM
824
Venturi Wealth Management
Texas
$2.24M
TFCM
825
Taylor Frigon Capital Management
Arizona
$2.23M