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Amphenol
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Overview Fund Activity

1,410 hedge funds and large institutions have $74.1B invested in Amphenol in 2025 Q1 according to their latest regulatory filings, with 184 funds opening new positions, 593 increasing their positions, 463 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,410
Holders Change
+22
Holders Change %
+1.59%
% of All Funds
19.16%
Holding in Top 10
46
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-8%
% of All Funds
0.63%
New
184
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
$1.1B
2
UBS AM
UBS AM
Illinois
$574M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$798M
4
Franklin Resources
Franklin Resources
California
$725M
5
BlackRock
BlackRock
New York
$6.68B

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$2.76B
2
Citadel Advisors
Citadel Advisors
Florida
$77M
3
Winslow Capital Management
Winslow Capital Management
Minnesota
$250K
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
$38.9M
5
Mawer Investment Management
Mawer Investment Management
Alberta, Canada
$582M
Name Holding Trade Value Shares
Change 		Shares
Change %
Goldman Sachs
26
Goldman Sachs
New York
$507M +$140M +2,136,338 +38%
Legal & General Group
27
Legal & General Group
United Kingdom
$488M +$4.32M +65,802 +0.9%
NL
28
Nuveen LLC
North Carolina
$477M +$477M +7,270,046 New
Neuberger Berman Group
29
Neuberger Berman Group
New York
$467M -$71.4M -1,088,314 -13%
Charles Schwab
30
Charles Schwab
California
$456M +$12.7M +194,350 +3%
Stifel Financial
31
Stifel Financial
Missouri
$437M -$15M -229,278 -3%
Barclays
32
Barclays
United Kingdom
$383M +$34.7M +529,169 +10%
Capital Research Global Investors
33
Capital Research Global Investors
California
$381M +$103M +1,563,463 +37%
Envestnet Asset Management
34
Envestnet Asset Management
Illinois
$372M +$43.2M +659,199 +13%
Deutsche Bank
35
Deutsche Bank
Germany
$371M +$115M +1,756,039 +45%
California Public Employees Retirement System
36
California Public Employees Retirement System
California
$358M -$8.47M -129,150 -2%
Wells Fargo
37
Wells Fargo
California
$355M +$75.5M +1,150,821 +27%
VOYA Investment Management
38
VOYA Investment Management
Georgia
$323M +$7.44M +113,399 +2%
Sumitomo Mitsui Trust Group
39
Sumitomo Mitsui Trust Group
Japan
$323M -$7.91M -120,661 -2%
Swedbank
40
Swedbank
Sweden
$311M +$29.4M +448,000 +10%
Allianz Asset Management
41
Allianz Asset Management
Germany
$303M +$100M +1,526,568 +49%
UBS Group
42
UBS Group
Switzerland
$271M +$69.7M +1,062,693 +35%
Mackenzie Financial
43
Mackenzie Financial
Ontario, Canada
$244M -$121M -1,847,111 -33%
BNP Paribas Financial Markets
44
BNP Paribas Financial Markets
France
$244M +$16.6M +252,481 +7%
Dimensional Fund Advisors
45
Dimensional Fund Advisors
Texas
$243M +$4.74M +72,280 +2%
RG
46
Rathbones Group
United Kingdom
$224M +$13.1M +200,393 +6%
Swiss National Bank
47
Swiss National Bank
Switzerland
$223M -$112K -1,700 -0%
Capital International Investors
48
Capital International Investors
California
$215M +$594K +9,049 +0.3%
AQR Capital Management
49
AQR Capital Management
Connecticut
$213M +$164M +2,529,319 +339%
Vontobel Holding
50
Vontobel Holding
Switzerland
$204M +$80.6M +1,228,271 +65%
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