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Amphenol

1,803 hedge funds and large institutions have $140B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 710 increasing their positions, 610 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 call options, than puts

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

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 710 | Existing positions reduced: 610

10% more funds holding

Funds holding: 1,6371,803 (+166)

3.56% less ownership

Funds ownership: 96.01%92.45% (-3.6%)

Holders
1,803
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
91
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.82B
2 +$993M
3 +$787M
4
BlackRock
BlackRock
New York
+$778M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$548M

Top Sellers

1 -$1.89B
2 -$1.18B
3 -$1.09B
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$529M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$299M
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
201
Palisade Capital Management
New Jersey
$67.9M
Treasurer of the State of North Carolina
202
Treasurer of the State of North Carolina
North Carolina
$67.1M
Asset Management One
203
Asset Management One
Japan
$65.8M
Pictet Asset Management
204
Pictet Asset Management
Switzerland
$64.5M
ZIM
205
Zacks Investment Management
Illinois
$64.2M
Nisa Investment Advisors
206
Nisa Investment Advisors
Missouri
$62.2M
FCM
207
Frontier Capital Management
Massachusetts
$61.3M
RMA
208
Roffman Miller Associates
Pennsylvania
$60.9M
MPIA
209
Mountain Pacific Investment Advisers
Idaho
$59.2M
QCM
210
Quantinno Capital Management
New York
$58.6M
MSV
211
MN Services Vermogensbeheer
Netherlands
$57.2M
Rockefeller Capital Management
212
Rockefeller Capital Management
New York
$55.7M
KK
213
KLP Kapitalforvaltning
Norway
$54.2M
CAG
214
Crestwood Advisors Group
Massachusetts
$53.7M
Credit Agricole
215
Credit Agricole
France
$53.6M
State of New Jersey Common Pension Fund D
216
State of New Jersey Common Pension Fund D
New Jersey
$52.9M
Two Sigma Advisers
217
Two Sigma Advisers
New York
$52.1M
State of Tennessee, Department of Treasury
218
State of Tennessee, Department of Treasury
Tennessee
$51.8M
DnB Asset Management
219
DnB Asset Management
Norway
$51.7M
SOMRS
220
State of Michigan Retirement System
Michigan
$51.4M
DZ Bank
221
DZ Bank
Germany
$51.3M
Rafferty Asset Management
222
Rafferty Asset Management
New York
$51.3M
Nomura Asset Management
223
Nomura Asset Management
Japan
$51M
CNAM
224
Campbell Newman Asset Management
Wisconsin
$50.7M
TCM
225
TimesSquare Capital Management
New York
$50.6M