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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
PP
626
PDT Partners
New York
$5.17M
SC
627
SummitTX Capital
Texas
$5.13M
FFA
628
Farther Finance Advisors
California
$5.13M
S
629
SignatureFD
Georgia
$5.1M
WB
630
WesBanco Bank
West Virginia
$5.09M
MGP
631
Metis Global Partners
California
$5.08M
DSC
632
Duncker Streett & Co
Missouri
$5.07M
AF
633
Allworth Financial
California
$5.02M
CD
634
Chapin Davis
Maryland
$5.01M
MCWS
635
McKinley Carter Wealth Services
West Virginia
$4.99M
KPWS
636
Kestra Private Wealth Services
Texas
$4.93M
SSW
637
Stone Summit Wealth
Florida
$4.92M
MCM
638
MAI Capital Management
Ohio
$4.91M
FNBOO
639
First National Bank of Omaha
Nebraska
$4.91M
TFA
640
Transamerica Financial Advisors
Florida
$4.91M
HIS
641
Horizon Investment Services
Indiana
$4.88M
HCA
642
Harbour Capital Advisors
Virginia
$4.85M
NMIMC
643
Northwestern Mutual Investment Management Company
Wisconsin
$4.82M
DCM
644
Donaldson Capital Management
Indiana
$4.79M
PAM
645
Palisade Asset Management
Minnesota
$4.74M
Bessemer Group
646
Bessemer Group
New Jersey
$4.74M
ACM
647
Alamar Capital Management
California
$4.73M
HA
648
Herold Advisors
New York
$4.72M
WCM
649
Weaver Capital Management
Georgia
$4.72M
SFA
650
Sequoia Financial Advisors
Ohio
$4.71M