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Amphenol
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Overview Fund Activity

1,623 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 322 funds opening new positions, 551 increasing their positions, 564 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,623
Holders Change
+213
Holders Change %
+15.11%
% of All Funds
21.79%
Holding in Top 10
74
Holding in Top 10 Change
+28
Holding in Top 10 Change %
+60.87%
% of All Funds
0.99%
New
322
Increased
551
Reduced
564
Closed
85
Calls
$537M
Puts
$373M
Net Calls
+$164M
Net Calls Change
+$84.9M

Top Buyers

1
Victory Capital Management
1
Victory Capital Management
Texas
$845M
2
AIM
2
Alphinity Investment Management
Australia
$536M
3
T. Rowe Price Investment Management
3
T. Rowe Price Investment Management
Maryland
$2.15B
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$10.7B
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$441M

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$13.9B
2
BlackRock
2
BlackRock
New York
$9.34B
3
Amundi
3
Amundi
France
$511M
4
BNP Paribas Financial Markets
4
BNP Paribas Financial Markets
France
$77.9M
5
Bank of New York Mellon
5
Bank of New York Mellon
New York
$2.79B
Name Holding Trade Value Shares
Change 		Shares
Change %
KBC Group
201
KBC Group
Belgium
$53.1M +$1.26M +12,785 +2%
Pictet Asset Management
202
Pictet Asset Management
Switzerland
$52.9M -$956K -9,681 -2%
Nisa Investment Advisors
203
Nisa Investment Advisors
Missouri
$52.6M +$5.64M +57,043 +12%
Asset Management One
204
Asset Management One
Japan
$51.9M -$608K -6,160 -1%
O
205
Ossiam
France
$51.5M +$46.6M +471,833 +957%
GCM
206
Geneva Capital Management
Wisconsin
$51.1M -$10.7M -108,087 -17%
DnB Asset Management
207
DnB Asset Management
Norway
$50.9M -$7.27M -73,656 -13%
RMA
208
Roffman Miller Associates
Pennsylvania
$50.6M -$469K -4,748 -0.9%
DZ Bank
209
DZ Bank
Germany
$50M +$92.9K +941 +0.2%
FCM
210
Frontier Capital Management
Massachusetts
$50M -$10.3M -103,867 -17%
Rockefeller Capital Management
211
Rockefeller Capital Management
New York
$46.9M +$3.8M +38,448 +9%
MSV
212
MN Services Vermogensbeheer
Netherlands
$44.7M +$958K +9,700 +2%
CNAM
213
Campbell Newman Asset Management
Wisconsin
$44.4M +$17.6M +178,445 +66%
BHCM
214
Brevan Howard Capital Management
Jersey
$44.4M +$44.4M +449,345 New
CAG
215
Crestwood Advisors Group
Massachusetts
$43.8M -$128K -1,296 -0.3%
Tudor Investment Corp
216
Tudor Investment Corp
Connecticut
$43.2M +$43.2M +437,471 New
KK
217
KLP Kapitalforvaltning
Norway
$43.2M +$2.54M +25,700 +6%
TCM
218
TimesSquare Capital Management
New York
$42.5M -$32.1M -324,856 -43%
DS
219
Dudley & Shanley
Florida
$42.3M -$1.08M -10,940 -2%
ZIM
220
Zacks Investment Management
Illinois
$42.1M +$32.6M +329,872 +341%
MVIP
221
Mar Vista Investment Partners
California
$41.8M +$2.33M +23,563 +6%
Nomura Asset Management
222
Nomura Asset Management
Japan
$40.9M +$4.26M +43,113 +12%
SOMRS
223
State of Michigan Retirement System
Michigan
$40.9M -$1.91M -19,300 -4%
Axa
224
Axa
France
$40.8M -$25.9M -262,043 -39%
Alyeska Investment Group
225
Alyeska Investment Group
Illinois
$40.8M +$40.2M +406,748 +6,734%
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