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Amphenol

1,640 hedge funds and large institutions have $115B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 327 funds opening new positions, 553 increasing their positions, 569 reducing their positions, and 88 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: 1,4171,640 (+223)

2.38% more ownership

Funds ownership: 93.75%96.13% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 553 | Existing positions reduced: 569

Holders
1,640
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
Twin Tree Management
201
Twin Tree Management
Texas
$54.9M
LCM
202
Logan Capital Management
Pennsylvania
$53.9M
NB
203
Norinchukin Bank
Japan
$53.3M
KBC Group
204
KBC Group
Belgium
$53.1M
Pictet Asset Management
205
Pictet Asset Management
Switzerland
$52.9M
Nisa Investment Advisors
206
Nisa Investment Advisors
Missouri
$52.6M
Asset Management One
207
Asset Management One
Japan
$51.9M
O
208
Ossiam
France
$51.5M
GCM
209
Geneva Capital Management
Wisconsin
$51.1M
DnB Asset Management
210
DnB Asset Management
Norway
$50.9M
RMA
211
Roffman Miller Associates
Pennsylvania
$50.6M
DZ Bank
212
DZ Bank
Germany
$50M
FCM
213
Frontier Capital Management
Massachusetts
$50M
Rockefeller Capital Management
214
Rockefeller Capital Management
New York
$46.9M
MSV
215
MN Services Vermogensbeheer
Netherlands
$44.7M
CNAM
216
Campbell Newman Asset Management
Wisconsin
$44.4M
BHCM
217
Brevan Howard Capital Management
Jersey
$44.4M
CAG
218
Crestwood Advisors Group
Massachusetts
$43.8M
Tudor Investment Corp
219
Tudor Investment Corp
Connecticut
$43.2M
KK
220
KLP Kapitalforvaltning
Norway
$43.2M
TCM
221
TimesSquare Capital Management
New York
$42.5M
DS
222
Dudley & Shanley
Florida
$42.3M
ZIM
223
Zacks Investment Management
Illinois
$42.1M
MVIP
224
Mar Vista Investment Partners
California
$41.8M
Nomura Asset Management
225
Nomura Asset Management
Japan
$40.9M