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Amphenol

2,002 hedge funds and large institutions have $233B invested in Amphenol in 2025 Q4 according to their latest regulatory filings, with 308 funds opening new positions, 773 increasing their positions, 742 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:

2% more funds holding in top 10

Funds holding in top 10: 9294 (+2)

4% more repeat investments, than reductions

Existing positions increased: 773 | Existing positions reduced: 742

14% less call options, than puts

Call options by funds: $643M | Put options by funds: $752M

Holders
2,002
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
94
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$752M
Net Calls
Net Calls Change
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
$144M
SG Americas Securities
127
SG Americas Securities
New York
$143M
JIC
128
Johnson Investment Counsel
Ohio
$142M
Aberdeen Group
129
Aberdeen Group
United Kingdom
$139M
BFS
130
Bradley Foster & Sargent
Connecticut
$136M
KBC Group
131
KBC Group
Belgium
$136M
Aviva
132
Aviva
United Kingdom
$135M
Impax Asset Management Group
133
Impax Asset Management Group
United Kingdom
$133M
CAM
134
Congress Asset Management
Massachusetts
$130M
HL
135
Harding Loevner
New Jersey
$129M
CPC
136
Cookson Peirce & Co
Pennsylvania
$129M
TIA
137
Tandem Investment Advisors
South Carolina
$128M
New York State Teachers Retirement System (NYSTRS)
138
New York State Teachers Retirement System (NYSTRS)
New York
$128M
RPI
139
Railway Pension Investments
United Kingdom
$126M
Fiera Capital (Canada)
140
Fiera Capital (Canada)
Quebec, Canada
$126M
PC
141
Port Capital
Illinois
$126M
Korea Investment Corp
142
Korea Investment Corp
South Korea
$120M
Sands Capital Management
143
Sands Capital Management
Virginia
$119M
KeyBank National Association
144
KeyBank National Association
Ohio
$118M
Mercer Global Advisors
145
Mercer Global Advisors
Colorado
$117M
National Bank of Canada
146
National Bank of Canada
Quebec, Canada
$116M
SCM
147
Snyder Capital Management
California
$116M
Prudential Financial
148
Prudential Financial
New Jersey
$115M
PCH
149
Polar Capital Holdings
United Kingdom
$115M
Holocene Advisors
150
Holocene Advisors
New York
$115M