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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
LCM
201
Logan Capital Management
Pennsylvania
$53.9M
NB
202
Norinchukin Bank
Japan
$53.3M
KBC Group
203
KBC Group
Belgium
$53.1M
Pictet Asset Management
204
Pictet Asset Management
Switzerland
$52.9M
Nisa Investment Advisors
205
Nisa Investment Advisors
Missouri
$52.6M
Asset Management One
206
Asset Management One
Japan
$51.9M
O
207
Ossiam
France
$51.5M
GCM
208
Geneva Capital Management
Wisconsin
$51.1M
DnB Asset Management
209
DnB Asset Management
Norway
$50.9M
RMA
210
Roffman Miller Associates
Pennsylvania
$50.6M
DZ Bank
211
DZ Bank
Germany
$50M
FCM
212
Frontier Capital Management
Massachusetts
$50M
Rockefeller Capital Management
213
Rockefeller Capital Management
New York
$46.9M
MSV
214
MN Services Vermogensbeheer
Netherlands
$44.7M
CNAM
215
Campbell Newman Asset Management
Wisconsin
$44.4M
BHCM
216
Brevan Howard Capital Management
Jersey
$44.4M
CAG
217
Crestwood Advisors Group
Massachusetts
$43.8M
Tudor Investment Corp
218
Tudor Investment Corp
Connecticut
$43.2M
KK
219
KLP Kapitalforvaltning
Norway
$43.2M
TCM
220
TimesSquare Capital Management
New York
$42.5M
DS
221
Dudley & Shanley
Florida
$42.3M
ZIM
222
Zacks Investment Management
Illinois
$42.1M
MVIP
223
Mar Vista Investment Partners
California
$41.8M
Nomura Asset Management
224
Nomura Asset Management
Japan
$40.9M
SOMRS
225
State of Michigan Retirement System
Michigan
$40.9M