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Amphenol
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Overview Fund Activity

1,625 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 323 funds opening new positions, 551 increasing their positions, 564 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,625
Holders Change
+216
Holders Change %
+15.33%
% of All Funds
21.79%
Holding in Top 10
75
Holding in Top 10 Change
+29
Holding in Top 10 Change %
+63.04%
% of All Funds
1.01%
New
323
Increased
551
Reduced
564
Closed
85
Calls
$537M
Puts
$373M
Net Calls
+$164M
Net Calls Change
+$84.9M

Top Buyers

1
Victory Capital Management
Victory Capital Management
Texas
+$743M
2
AIM
Alphinity Investment Management
Australia
+$536M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$492M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$368M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$333M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$1.43B
2
BlackRock
BlackRock
New York
-$723M
3
Amundi
Amundi
France
-$630M
4
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
-$289M
5
Bank of New York Mellon
Bank of New York Mellon
New York
-$285M
Name Holding Trade Value Shares
Change 		Shares
Change %
FT
251
Fiduciary Trust
Massachusetts
$33.5M -$1.32M -13,343 -4%
Comerica Bank
252
Comerica Bank
Texas
$33.2M -$1.36M -13,730 -4%
SSA
253
South Street Advisors
New York
$33.1M -$769K -7,787 -2%
QT
254
Quantbot Technologies
New York
$33.1M +$33.1M +335,313 New
CIM
255
Confluence Investment Management
Missouri
$32.9M -$1.69M -17,106 -5%
DP
256
Dearborn Partners
Illinois
$32.8M -$4.37M -44,303 -12%
JA
257
JLB & Associates
Michigan
$32.6M -$3.2M -32,429 -9%
MIM
258
Manitou Investment Management
Ontario, Canada
$32.6M -$285K -2,882 -0.9%
QCM
259
Quantinno Capital Management
New York
$32.4M +$10M +101,624 +45%
N
260
Natixis
France
$32.2M +$15M +151,912 +87%
IG
261
ING Group
Netherlands
$31.7M +$17.2M +174,518 +119%
FAF
262
Fjarde Ap-fonden
Sweden
$31.7M -$1.23M -12,500 -4%
NPPM
263
North Point Portfolio Managers
Ohio
$31.3M -$6.98M -70,665 -18%
Calamos Advisors
264
Calamos Advisors
Illinois
$30.3M – – –
SI
265
Stephens Inc
Arkansas
$29.8M -$1.69M -17,114 -5%
FRAF
266
Första AP-fonden
Sweden
$29.5M +$435K +4,400 +1%
COPPSERS
267
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$29.3M +$1.95M +19,702 +7%
CNB
268
Czech National Bank
Czech Republic
$29.2M +$1.73M +17,503 +6%
AIM
269
Achmea Investment Management
Netherlands
$28.8M -$201K -2,040 -0.7%
X
270
Xponance
Pennsylvania
$28.7M +$5.59M +56,582 +24%
CAM
271
Congress Asset Management
Massachusetts
$28.5M -$1.8M -18,209 -6%
OCM
272
Oribel Capital Management
New York
$28.4M +$28.4M +288,100 New
GI
273
Gradient Investments
Minnesota
$28.4M -$3.84M -38,905 -12%
NAM
274
NorthCrest Asset Manangement
Minnesota
$28.3M -$70.5K -709 -0.2%
WT
275
Whittier Trust
California
$27M +$1.36M +13,812 +5%
9 10
11
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