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Amphenol

2,025 hedge funds and large institutions have $233B invested in Amphenol in 2025 Q4 according to their latest regulatory filings, with 323 funds opening new positions, 775 increasing their positions, 745 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more funds holding in top 10

Funds holding in top 10: 9296 (+4)

4% more repeat investments, than reductions

Existing positions increased: 775 | Existing positions reduced: 745

15% less call options, than puts

Call options by funds: $643M | Put options by funds: $753M

Holders
2,025
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
96
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$753M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CAM
126
Close Asset Management
United Kingdom
$146M
DekaBank Deutsche Girozentrale
127
DekaBank Deutsche Girozentrale
Germany
$145M
State Board of Administration of Florida Retirement System
128
State Board of Administration of Florida Retirement System
Florida
$144M
SG Americas Securities
129
SG Americas Securities
New York
$143M
JIC
130
Johnson Investment Counsel
Ohio
$142M
Aberdeen Group
131
Aberdeen Group
United Kingdom
$139M
BFS
132
Bradley Foster & Sargent
Connecticut
$136M
KBC Group
133
KBC Group
Belgium
$136M
Aviva
134
Aviva
United Kingdom
$135M
Impax Asset Management Group
135
Impax Asset Management Group
United Kingdom
$133M
CAM
136
Congress Asset Management
Massachusetts
$130M
HL
137
Harding Loevner
New Jersey
$129M
CPC
138
Cookson Peirce & Co
Pennsylvania
$129M
TIA
139
Tandem Investment Advisors
South Carolina
$128M
New York State Teachers Retirement System (NYSTRS)
140
New York State Teachers Retirement System (NYSTRS)
New York
$128M
RPI
141
Railway Pension Investments
United Kingdom
$126M
Fiera Capital (Canada)
142
Fiera Capital (Canada)
Quebec, Canada
$126M
PC
143
Port Capital
Illinois
$126M
Korea Investment Corp
144
Korea Investment Corp
South Korea
$120M
Sands Capital Management
145
Sands Capital Management
Virginia
$119M
KeyBank National Association
146
KeyBank National Association
Ohio
$118M
Mercer Global Advisors
147
Mercer Global Advisors
Colorado
$117M
National Bank of Canada
148
National Bank of Canada
Quebec, Canada
$116M
SCM
149
Snyder Capital Management
California
$116M
Prudential Financial
150
Prudential Financial
New Jersey
$115M