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Amphenol

1,803 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, 710 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: 710 | Existing positions reduced: 610

10% more funds holding

Funds holding: 1,6371,803 (+166)

3.56% less ownership

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

Holders
1,803
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
State Board of Administration of Florida Retirement System
126
State Board of Administration of Florida Retirement System
Florida
$137M
JIC
127
Johnson Investment Counsel
Ohio
$136M
CAM
128
Close Asset Management
United Kingdom
$136M
Canada Life
129
Canada Life
Manitoba, Canada
$135M
Adage Capital Partners
130
Adage Capital Partners
Massachusetts
$135M
PC
131
Port Capital
Illinois
$133M
DekaBank Deutsche Girozentrale
132
DekaBank Deutsche Girozentrale
Germany
$131M
LPL Financial
133
LPL Financial
California
$130M
Manulife (Manufacturers Life Insurance)
134
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$128M
National Bank of Canada
135
National Bank of Canada
Quebec, Canada
$127M
BFS
136
Bradley Foster & Sargent
Connecticut
$126M
Fiera Capital (Canada)
137
Fiera Capital (Canada)
Quebec, Canada
$126M
Allspring Global Investments
138
Allspring Global Investments
North Carolina
$125M
Aberdeen Group
139
Aberdeen Group
United Kingdom
$123M
Canada Pension Plan Investment Board
140
Canada Pension Plan Investment Board
Ontario, Canada
$123M
CPC
141
Cookson Peirce & Co
Pennsylvania
$121M
CAM
142
Congress Asset Management
Massachusetts
$120M
Aviva
143
Aviva
United Kingdom
$116M
New York State Teachers Retirement System (NYSTRS)
144
New York State Teachers Retirement System (NYSTRS)
New York
$115M
Select Equity Group
145
Select Equity Group
New York
$115M
KeyBank National Association
146
KeyBank National Association
Ohio
$112M
Susquehanna International Group
147
Susquehanna International Group
Pennsylvania
$110M
NC
148
NZS Capital
Colorado
$109M
Caisse de Depot et Placement du Quebec (CDPQ)
149
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$108M
JIM
150
Jensen Investment Management
Oregon
$108M