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Amphenol

1,797 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, 707 increasing their positions, 607 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: 707 | Existing positions reduced: 607

10% more funds holding

Funds holding: 1,6361,797 (+161)

3.57% less ownership

Funds ownership: 95.99%92.42% (-3.6%)

Holders
1,797
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
UIM
101
USS Investment Management
United Kingdom
$177M
PCH
102
Polar Capital Holdings
United Kingdom
$176M
RMDI
103
R.M. Davis Inc
Maine
$174M
Macquarie Group
104
Macquarie Group
Australia
$174M
Citigroup
105
Citigroup
New York
$173M
Zurich Cantonal Bank
106
Zurich Cantonal Bank
Switzerland
$172M
CG
107
Carmignac Gestion
France
$167M
Prudential Financial
108
Prudential Financial
New Jersey
$166M
NAM
109
Nissay Asset Management
Japan
$166M
Schroder Investment Management Group
110
Schroder Investment Management Group
United Kingdom
$165M
SCM
111
Snyder Capital Management
California
$164M
APG Asset Management
112
APG Asset Management
Netherlands
$159M
Universal-Beteiligungs- und Servicegesellschaft
113
Universal-Beteiligungs- und Servicegesellschaft
Germany
$158M
Balyasny Asset Management
114
Balyasny Asset Management
Illinois
$158M
HL
115
Harding Loevner
New Jersey
$155M
TIA
116
Tandem Investment Advisors
South Carolina
$155M
PNC Financial Services Group
117
PNC Financial Services Group
Pennsylvania
$153M
DB
118
Danske Bank
Denmark
$153M
Man Group
119
Man Group
United Kingdom
$151M
First Trust Advisors
120
First Trust Advisors
Illinois
$150M
BNP Paribas Financial Markets
121
BNP Paribas Financial Markets
France
$144M
Russell Investments Group
122
Russell Investments Group
United Kingdom
$142M
Baird Financial Group
123
Baird Financial Group
Wisconsin
$141M
Impax Asset Management Group
124
Impax Asset Management Group
United Kingdom
$138M
Marshall Wace
125
Marshall Wace
United Kingdom
$137M