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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
UBP
651
Union Bancaire Privee
Switzerland
$4.7M
LTAS
652
Linden Thomas Advisory Services
North Carolina
$4.69M
A
653
Allianz
Germany
$4.67M
DCM
654
Decatur Capital Management
Georgia
$4.67M
APWM
655
Argonautica Private Wealth Management
Massachusetts
$4.67M
MAS
656
Meeder Advisory Services
Ohio
$4.66M
OC
657
Oarsman Capital
Wisconsin
$4.62M
MCM
658
Monument Capital Management
Virginia
$4.61M
CPC
659
Consolidated Planning Corp
Georgia
$4.58M
Group One Trading
660
Group One Trading
Illinois
$4.57M
RC
661
Roundview Capital
New Jersey
$4.53M
SCM
662
Sandler Capital Management
New York
$4.52M
CPBTD
663
Central Pacific Bank - Trust Division
Hawaii
$4.51M
WAM
664
Wakefield Asset Management
Colorado
$4.51M
BP
665
Ballentine Partners
Massachusetts
$4.5M
WAM
666
Weatherly Asset Management
California
$4.48M
ALMGDA
667
AG2R La Mondiale Gestion d'Actifs
France
$4.47M
IC
668
Inscription Capital
Texas
$4.42M
HIS
669
Harvest Investment Services
Illinois
$4.34M
SM
670
Sciencast Management
New Jersey
$4.34M
FG
671
Fiduciary Group
Georgia
$4.33M
CG
672
Caprock Group
Idaho
$4.33M
PIM
673
Plato Investment Management
Australia
$4.31M
JFG
674
Jefferies Financial Group
New York
$4.29M
MAM
675
Martingale Asset Management
Massachusetts
$4.27M