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Amphenol

1,802 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, 709 increasing their positions, 610 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: 709 | Existing positions reduced: 610

10% more funds holding

Funds holding: 1,6371,802 (+165)

3.56% less ownership

Funds ownership: 96.01%92.45% (-3.6%)

Holders
1,802
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
APWM
651
Argonautica Private Wealth Management
Massachusetts
$4.67M
MAS
652
Meeder Advisory Services
Ohio
$4.66M
OC
653
Oarsman Capital
Wisconsin
$4.62M
MCM
654
Monument Capital Management
Virginia
$4.61M
CPC
655
Consolidated Planning Corp
Georgia
$4.58M
Group One Trading
656
Group One Trading
Illinois
$4.57M
RC
657
Roundview Capital
New Jersey
$4.53M
SCM
658
Sandler Capital Management
New York
$4.52M
CPBTD
659
Central Pacific Bank - Trust Division
Hawaii
$4.51M
WAM
660
Wakefield Asset Management
Colorado
$4.51M
BP
661
Ballentine Partners
Massachusetts
$4.5M
WAM
662
Weatherly Asset Management
California
$4.48M
ALMGDA
663
AG2R La Mondiale Gestion d'Actifs
France
$4.47M
IC
664
Inscription Capital
Texas
$4.42M
HIS
665
Harvest Investment Services
Illinois
$4.34M
SM
666
Sciencast Management
New Jersey
$4.34M
FG
667
Fiduciary Group
Georgia
$4.33M
CG
668
Caprock Group
Idaho
$4.33M
PIM
669
Plato Investment Management
Australia
$4.31M
JFG
670
Jefferies Financial Group
New York
$4.29M
MAM
671
Martingale Asset Management
Massachusetts
$4.27M
CL
672
Choreo LLC
Illinois
$4.26M
Capital Fund Management (CFM)
673
Capital Fund Management (CFM)
France
$4.2M
LCM
674
Legato Capital Management
California
$4.18M
MLL
675
Moody Lynn & Lieberson
Massachusetts
$4.17M