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Amphenol
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Overview Fund Activity

1,409 hedge funds and large institutions have $74.1B invested in Amphenol in 2025 Q1 according to their latest regulatory filings, with 183 funds opening new positions, 593 increasing their positions, 463 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,409
Holders Change
+21
Holders Change %
+1.51%
% of All Funds
19.14%
Holding in Top 10
46
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-8%
% of All Funds
0.62%
New
183
Increased
593
Reduced
463
Closed
137
Calls
$259M
Puts
$179M
Net Calls
+$79.2M
Net Calls Change
+$60.6M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$728M
2
UBS AM
UBS AM
Illinois
+$497M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$338M
4
Franklin Resources
Franklin Resources
California
+$269M
5
BlackRock
BlackRock
New York
+$216M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$1.1B
2
Citadel Advisors
Citadel Advisors
Florida
-$275M
3
Winslow Capital Management
Winslow Capital Management
Minnesota
-$244M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$175M
5
Mawer Investment Management
Mawer Investment Management
Alberta, Canada
-$163M
Name Holding Trade Value Shares
Change 		Shares
Change %
GWM
701
GSB Wealth Management
Connecticut
$1.4M +$195K +2,977 +16%
1832 Asset Management
702
1832 Asset Management
Ontario, Canada
$1.39M -$31.8M -484,153 -96%
AWS
703
Atria Wealth Solutions
New York
$1.37M +$459K +6,991 +50%
PA
704
Profund Advisors
Maryland
$1.37M -$149K -2,270 -10%
EGM
705
Engineers Gate Manager
New York
$1.37M -$7.93M -120,853 -85%
VIA
706
Virtus Investment Advisers
Connecticut
$1.36M +$1.36M +20,717 New
PIM
707
Platinum Investment Management
Australia
$1.35M +$797K +12,158 +143%
GWM
708
Greenwich Wealth Management
Connecticut
$1.35M -$6.82K -104 -0.5%
MWM
709
MorganRosel Wealth Management
Colorado
$1.35M +$323K +4,927 +32%
MWM
710
Mission Wealth Management
California
$1.34M -$2.76K -42 -0.2%
GCM
711
Graham Capital Management
Connecticut
$1.34M +$1.34M +20,366 New
RCA
712
Resonant Capital Advisors
Wisconsin
$1.32M -$7.3K -111 -0.5%
MFGM
713
Marshall Financial Group (Maryland)
Maryland
$1.32M +$38K +579 +3%
RWP
714
RWA Wealth Partners
Massachusetts
$1.32M -$11K -168 -0.8%
RRCM
715
Rappaport Reiches Capital Management
Illinois
$1.31M +$2.89K +44 +0.2%
MLM
716
Mount Lucas Management
Pennsylvania
$1.31M -$40.9K -624 -3%
CA
717
Clearstead Advisors
Ohio
$1.28M +$169K +2,584 +15%
BMC
718
Benin Management Corp
Connecticut
$1.27M – – –
HAIM
719
Hunter Associates Investment Management
Pennsylvania
$1.27M -$28.8K -438 -2%
ACA
720
Aptus Capital Advisors
Alabama
$1.27M +$157K +2,401 +14%
MFG
721
Monte Financial Group
Connecticut
$1.26M +$54.7K +841 +5%
PS
722
Principal Securities
Iowa
$1.26M – – –
NRW
723
Nova R Wealth
Kansas
$1.25M +$1.97K +30 +0.2%
NAM
724
Nutshell Asset Management
United Kingdom
$1.25M +$1.25M +19,000 New
KWM
725
Kiker Wealth Management
Georgia
$1.24M +$1.24M +18,907 New
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