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Amphenol

1,812 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 712 increasing their positions, 616 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 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: 712 | Existing positions reduced: 616

10% more funds holding

Funds holding: 1,6401,812 (+172)

2.98% less ownership

Funds ownership: 96.13%93.15% (-3%)

Holders
1,812
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
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
GAM
201
Guinness Asset Management
United Kingdom
$67.9M
PCM
202
Palisade Capital Management
New Jersey
$67.9M
Treasurer of the State of North Carolina
203
Treasurer of the State of North Carolina
North Carolina
$67.1M
Asset Management One
204
Asset Management One
Japan
$65.8M
Pictet Asset Management
205
Pictet Asset Management
Switzerland
$64.5M
ZIM
206
Zacks Investment Management
Illinois
$64.2M
Nisa Investment Advisors
207
Nisa Investment Advisors
Missouri
$62.2M
FCM
208
Frontier Capital Management
Massachusetts
$61.3M
RMA
209
Roffman Miller Associates
Pennsylvania
$60.9M
MPIA
210
Mountain Pacific Investment Advisers
Idaho
$59.2M
QCM
211
Quantinno Capital Management
New York
$58.6M
MSV
212
MN Services Vermogensbeheer
Netherlands
$57.2M
Rockefeller Capital Management
213
Rockefeller Capital Management
New York
$55.7M
KK
214
KLP Kapitalforvaltning
Norway
$54.2M
CAG
215
Crestwood Advisors Group
Massachusetts
$53.7M
Credit Agricole
216
Credit Agricole
France
$53.6M
State of New Jersey Common Pension Fund D
217
State of New Jersey Common Pension Fund D
New Jersey
$52.9M
Two Sigma Advisers
218
Two Sigma Advisers
New York
$52.1M
State of Tennessee, Department of Treasury
219
State of Tennessee, Department of Treasury
Tennessee
$51.8M
DnB Asset Management
220
DnB Asset Management
Norway
$51.7M
SOMRS
221
State of Michigan Retirement System
Michigan
$51.4M
DZ Bank
222
DZ Bank
Germany
$51.3M
Rafferty Asset Management
223
Rafferty Asset Management
New York
$51.3M
Nomura Asset Management
224
Nomura Asset Management
Japan
$51M
CNAM
225
Campbell Newman Asset Management
Wisconsin
$50.7M