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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 %
AAF
726
Andra AP-fonden
Sweden
$1.24M +$1.24M +18,880 New
BFA
727
Brown Financial Advisors
Ohio
$1.24M +$227K +3,456 +22%
VAS
728
Vestmark Advisory Solutions
Massachusetts
$1.23M +$799K +12,189 +188%
BBA
729
Baader Bank Aktiengesellschaft
Germany
$1.22M +$248K +3,866 +25%
BOC
730
Barbara Oil Co
Illinois
$1.19M – – –
BJL
731
Brighton Jones LLC
Washington
$1.19M +$31.7K +483 +3%
MWM
732
Modern Wealth Management
Kansas
$1.18M +$68.9K +1,051 +6%
CJ
733
Caitlin John
Michigan
$1.18M -$1.37M -20,963 -54%
BFO
734
Boston Family Office
Massachusetts
$1.16M -$21.8K -332 -2%
CIA
735
Concurrent Investment Advisors
Florida
$1.15M +$298K +4,549 +35%
PWM
736
Perigon Wealth Management
California
$1.14M +$260K +3,964 +29%
BFF
737
Byrne Financial Freedom
Massachusetts
$1.14M +$65.6K +1,000 +6%
KFC
738
Klingenstein Fields & Co
New York
$1.14M – – –
IA
739
IFC Advisors
California
$1.14M -$6.23K -95 -0.5%
NW
740
Naviter Wealth
Arkansas
$1.14M – – –
CA
741
Cornerstone Advisors
North Carolina
$1.13M – – –
GHA
742
Granite Harbor Advisors
Texas
$1.12M -$2.49K -38 -0.2%
IA
743
IFP Advisors
Florida
$1.12M +$863K +13,159 +338%
CFG
744
Citizens Financial Group
Rhode Island
$1.11M +$109K +1,662 +11%
RRA
745
Round Rock Advisors
Connecticut
$1.11M +$1.97K +30 +0.2%
SC
746
Syon Capital
California
$1.11M +$140K +2,142 +15%
HFO
747
Heritage Family Offices
Arizona
$1.1M +$1.1M +16,731 New
DT
748
Diversified Trust
Tennessee
$1.09M +$133K +2,024 +14%
TCOO
749
Trust Company of Oklahoma
Oklahoma
$1.08M -$27.9K -425 -3%
IIA
750
ICW Investment Advisors
Arizona
$1.08M +$28.3K +432 +3%
28 29
30
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