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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
NB
201
Norinchukin Bank
Japan
$53.3M
KBC Group
202
KBC Group
Belgium
$53.1M
Pictet Asset Management
203
Pictet Asset Management
Switzerland
$52.9M
Nisa Investment Advisors
204
Nisa Investment Advisors
Missouri
$52.6M
Asset Management One
205
Asset Management One
Japan
$51.9M
O
206
Ossiam
France
$51.5M
GCM
207
Geneva Capital Management
Wisconsin
$51.1M
DnB Asset Management
208
DnB Asset Management
Norway
$50.9M
RMA
209
Roffman Miller Associates
Pennsylvania
$50.6M
DZ Bank
210
DZ Bank
Germany
$50M
FCM
211
Frontier Capital Management
Massachusetts
$50M
Rockefeller Capital Management
212
Rockefeller Capital Management
New York
$46.9M
MSV
213
MN Services Vermogensbeheer
Netherlands
$44.7M
CNAM
214
Campbell Newman Asset Management
Wisconsin
$44.4M
BHCM
215
Brevan Howard Capital Management
Jersey
$44.4M
CAG
216
Crestwood Advisors Group
Massachusetts
$43.8M
Tudor Investment Corp
217
Tudor Investment Corp
Connecticut
$43.2M
KK
218
KLP Kapitalforvaltning
Norway
$43.2M
TCM
219
TimesSquare Capital Management
New York
$42.5M
DS
220
Dudley & Shanley
Florida
$42.3M
ZIM
221
Zacks Investment Management
Illinois
$42.1M
MVIP
222
Mar Vista Investment Partners
California
$41.8M
Nomura Asset Management
223
Nomura Asset Management
Japan
$40.9M
SOMRS
224
State of Michigan Retirement System
Michigan
$40.9M
Axa
225
Axa
France
$40.8M