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Amphenol

1,631 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 326 funds opening new positions, 550 increasing their positions, 567 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 funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

16% more funds holding

Funds holding: 1,4101,631 (+221)

2.38% more ownership

Funds ownership: 93.35%95.73% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 550 | Existing positions reduced: 567

Holders
1,631
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
76
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$537M
Puts
$373M
Net Calls
Net Calls Change

Top Buyers

1 +$743M
2 +$536M
3 +$492M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$368M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$333M
Name Holding Trade Value Shares
Change
Change in
Stake
WorldQuant Millennium Advisors
126
WorldQuant Millennium Advisors
New York
$105M
Allspring Global Investments
127
Allspring Global Investments
North Carolina
$105M
National Bank of Canada
128
National Bank of Canada
Quebec, Canada
$104M
Baird Financial Group
129
Baird Financial Group
Wisconsin
$104M
BFS
130
Bradley Foster & Sargent
Connecticut
$102M
Fiera Capital (Canada)
131
Fiera Capital (Canada)
Quebec, Canada
$101M
Russell Investments Group
132
Russell Investments Group
United Kingdom
$101M
CPC
133
Cookson Peirce & Co
Pennsylvania
$99.4M
QCM
134
QRG Capital Management
Illinois
$98.7M
MNA
135
Manning & Napier Advisors
New York
$97.8M
KeyBank National Association
136
KeyBank National Association
Ohio
$97.2M
Aberdeen Group
137
Aberdeen Group
United Kingdom
$97.1M
RAM
138
Resona Asset Management
Japan
$94.9M
MPIA
139
Mountain Pacific Investment Advisers
Idaho
$94.9M
Canada Pension Plan Investment Board
140
Canada Pension Plan Investment Board
Ontario, Canada
$93.6M
ACM
141
Analog Century Management
New York
$93.1M
Sands Capital Management
142
Sands Capital Management
Virginia
$92.8M
Prudential Financial
143
Prudential Financial
New Jersey
$92.1M
LPL Financial
144
LPL Financial
California
$91.3M
LFG
145
Lazard Frères Gestion
France
$90.7M
CBUSF
146
Construction & Building Unions Superannuation Fund
Australia
$90.6M
Arrowstreet Capital
147
Arrowstreet Capital
Massachusetts
$90.5M
BMSSC
148
B. Metzler seel. Sohn & Co
Germany
$89.9M
Two Sigma Advisers
149
Two Sigma Advisers
New York
$89.8M
New York State Teachers Retirement System (NYSTRS)
150
New York State Teachers Retirement System (NYSTRS)
New York
$88.5M