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Amphenol

1,819 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, 716 increasing their positions, 619 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: 716 | Existing positions reduced: 619

11% more funds holding

Funds holding: 1,6411,819 (+178)

2.89% less ownership

Funds ownership: 96.13%93.24% (-2.9%)

Holders
1,819
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 +$1.61B
2 +$880M
3 +$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1 -$1.68B
2 -$1.04B
3 -$971M
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$469M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$265M
Name Holding Trade Value Shares
Change
Change in
Stake
PGAM
801
Princeton Global Asset Management
New Jersey
$2.48M
WAM
802
WT Asset Management
Hong Kong
$2.48M
GLAM
803
Gardner Lewis Asset Management
Pennsylvania
$2.45M
HWAM
804
Hennion & Walsh Asset Management
New Jersey
$2.45M
CWMK
805
Caliber Wealth Management (Kansas)
Kansas
$2.42M
BMC
806
Benin Management Corp
Connecticut
$2.4M
CIP
807
Convergence Investment Partners
Florida
$2.39M
TC
808
TwinBeech Capital
New York
$2.38M
VT
809
Vise Technologies
New York
$2.38M
CIA
810
Concurrent Investment Advisors
Florida
$2.37M
CA
811
Clearstead Advisors
Ohio
$2.36M
NRW
812
Nova R Wealth
Kansas
$2.36M
RWM
813
Ritholtz Wealth Management
New York
$2.34M
Simplex Trading
814
Simplex Trading
Illinois
$2.34M
CAM
815
Cidel Asset Management
Ontario, Canada
$2.34M
AAF
816
Andra AP-fonden
Sweden
$2.34M
PDL
817
Portfolio Design Labs
California
$2.33M
SCM
818
SIR Capital Management
New York
$2.33M
NG
819
Novem Group
New York
$2.31M
PA
820
Paragon Advisors
Texas
$2.31M
SW
821
SteelPeak Wealth
California
$2.26M
DF
822
Donoghue Forlines
Massachusetts
$2.26M
VNA
823
Valley National Advisers
Pennsylvania
$2.26M
BOC
824
Barbara Oil Co
Illinois
$2.25M
VWM
825
Venturi Wealth Management
Texas
$2.24M