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Amphenol

1,637 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 328 funds opening new positions, 550 increasing their positions, 569 reducing their positions, and 87 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: 1,4121,637 (+225)

2.37% more ownership

Funds ownership: 93.64%96.01% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 550 | Existing positions reduced: 569

Holders
1,637
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
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
Man Group
126
Man Group
United Kingdom
$106M
WorldQuant Millennium Advisors
127
WorldQuant Millennium Advisors
New York
$105M
Allspring Global Investments
128
Allspring Global Investments
North Carolina
$105M
National Bank of Canada
129
National Bank of Canada
Quebec, Canada
$104M
Baird Financial Group
130
Baird Financial Group
Wisconsin
$104M
BFS
131
Bradley Foster & Sargent
Connecticut
$102M
Fiera Capital (Canada)
132
Fiera Capital (Canada)
Quebec, Canada
$101M
Russell Investments Group
133
Russell Investments Group
United Kingdom
$101M
CPC
134
Cookson Peirce & Co
Pennsylvania
$99.4M
QCM
135
QRG Capital Management
Illinois
$98.7M
MNA
136
Manning & Napier Advisors
New York
$97.8M
KeyBank National Association
137
KeyBank National Association
Ohio
$97.2M
Aberdeen Group
138
Aberdeen Group
United Kingdom
$97.1M
RAM
139
Resona Asset Management
Japan
$94.9M
MPIA
140
Mountain Pacific Investment Advisers
Idaho
$94.9M
Canada Pension Plan Investment Board
141
Canada Pension Plan Investment Board
Ontario, Canada
$93.6M
ACM
142
Analog Century Management
New York
$93.1M
Sands Capital Management
143
Sands Capital Management
Virginia
$92.8M
Prudential Financial
144
Prudential Financial
New Jersey
$92.1M
LPL Financial
145
LPL Financial
California
$91.3M
LFG
146
Lazard Frères Gestion
France
$90.7M
CBUSF
147
Construction & Building Unions Superannuation Fund
Australia
$90.6M
Arrowstreet Capital
148
Arrowstreet Capital
Massachusetts
$90.5M
BMSSC
149
B. Metzler seel. Sohn & Co
Germany
$89.9M
Two Sigma Advisers
150
Two Sigma Advisers
New York
$89.8M