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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 %
AWM
1001
Aprio Wealth Management
Georgia
$409K +$22.2K +339 +6%
BFA
1002
Beaumont Financial Advisors
Massachusetts
$407K +$87.5K +1,334 +27%
Capstone Investment Advisors
1003
Capstone Investment Advisors
New York
$406K -$1.51M -22,980 -79%
SAM
1004
Strategy Asset Managers
California
$404K -$168K -2,556 -29%
BCM
1005
Brookstone Capital Management
Illinois
$404K +$404K +6,162 New
GA
1006
Goldstein Advisors
Wisconsin
$403K -$2.56K -39 -0.6%
M1FG
1007
Mach-1 Financial Group
Arkansas
$401K +$401K +6,112 New
CAAS
1008
Capital Asset Advisory Services
Michigan
$398K +$68 +1 +0%
Alyeska Investment Group
1009
Alyeska Investment Group
Illinois
$396K +$396K +6,040 New
BIG
1010
Brooklyn Investment Group
New York
$396K +$92.6K +1,412 +31%
MWPCG
1011
Measured Wealth Private Client Group
New Hampshire
$393K +$66 +1 +0%
PPWP
1012
Premier Path Wealth Partners
New Jersey
$392K +$15.9K +243 +4%
AA
1013
Alta Advisers
United Kingdom
$391K +$131K +2,000 +51%
AHC
1014
Adell Harriman & Carpenter
Texas
$389K +$9.38K +143 +2%
NPF
1015
Norris Perne & French
Michigan
$389K – – –
CAM
1016
CenterStar Asset Management
Illinois
$388K +$194K +2,954 +100%
CA
1017
Cornerstone Advisory
Maryland
$387K +$15.9K +200 +4%
CIA
1018
Choate Investment Advisors
Massachusetts
$385K -$44K -671 -10%
FFA
1019
Florida Financial Advisors
Florida
$384K +$23K +350 +6%
RL
1020
Retireful LLC
Michigan
$382K +$382K +5,739 New
NAS
1021
Nicolet Advisory Services
Wisconsin
$381K +$4.04K +63 +1%
AWP
1022
Ascent Wealth Partners
New York
$380K +$2.3K +35 +0.6%
EE
1023
EWG Elevate
California
$374K -$394 -6 -0.1%
CC
1024
Centiva Capital
New York
$369K -$1.08M -16,538 -75%
WA
1025
Waverly Advisors
Alabama
$366K +$91K +1,387 +33%
39 40
41
42 43