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Amphenol
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Overview Fund Activity

1,615 hedge funds and large institutions have $113B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 320 funds opening new positions, 546 increasing their positions, 563 reducing their positions, and 85 closing their positions.

Holders
1,615
Holders Change
+205
Holders Change %
+14.54%
% of All Funds
21.69%
Holding in Top 10
74
Holding in Top 10 Change
+28
Holding in Top 10 Change %
+60.87%
% of All Funds
0.99%
New
320
Increased
546
Reduced
563
Closed
85
Calls
$456M
Puts
$301M
Net Calls
+$155M
Net Calls Change
+$75.8M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$2.1B
2
Victory Capital Management
2
Victory Capital Management
Texas
$845M
3
AIM
3
Alphinity Investment Management
Australia
$536M
4
T. Rowe Price Investment Management
4
T. Rowe Price Investment Management
Maryland
$2.15B
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$10.7B

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$13.9B
2
BlackRock
2
BlackRock
New York
$9.34B
3
Amundi
3
Amundi
France
$511M
4
BNP Paribas Financial Markets
4
BNP Paribas Financial Markets
France
$77.9M
5
Bank of New York Mellon
5
Bank of New York Mellon
New York
$2.79B
Name Market Value Shares Shares
Change 		Shares
Change %
Capital International Investors
51
Capital International Investors
California
$325M 3,292,347 +13,085 +0.4%
RG
52
Rathbones Group
United Kingdom
$324M 3,282,856 -136,781 -4%
National Pension Service
53
National Pension Service
South Korea
$324M 3,280,941 +413,121 +14%
ECU
54
Egerton Capital (UK)
United Kingdom
$313M 3,168,473 +1,405,850 +80%
AQR Capital Management
55
AQR Capital Management
Connecticut
$302M 3,093,952 -181,879 -6%
Natixis Advisors
56
Natixis Advisors
Massachusetts
$302M 3,061,298 +210,746 +7%
TD Asset Management
57
TD Asset Management
Ontario, Canada
$294M 2,979,104 -46,486 -2%
William Blair & Company
58
William Blair & Company
Illinois
$293M 2,971,448 -55,902 -2%
Vontobel Holding
59
Vontobel Holding
Switzerland
$278M 2,816,085 -290,157 -9%
AM
60
AGF Management
Ontario, Canada
$276M 2,790,987 +1,766,694 +172%
Principal Financial Group
61
Principal Financial Group
Iowa
$271M 2,740,892 -142,267 -5%
Voloridge Investment Management
62
Voloridge Investment Management
Florida
$266M 2,693,574 +1,517,980 +129%
Alkeon Capital Management
63
Alkeon Capital Management
New York
$264M 2,670,953 +120,000 +5%
JIM
64
Jensen Investment Management
Oregon
$258M 2,612,009 +94,418 +4%
Kayne Anderson Rudnick Investment Management
65
Kayne Anderson Rudnick Investment Management
California
$253M 2,566,268 -120,486 -4%
Raymond James Financial
66
Raymond James Financial
Florida
$251M 2,542,268 +118,235 +5%
MAM
67
Madison Asset Management
Wisconsin
$245M 2,478,319 -68,028 -3%
RhumbLine Advisers
68
RhumbLine Advisers
Massachusetts
$241M 2,444,650 +30,412 +1%
Millennium Management
69
Millennium Management
New York
$239M 2,416,955 +2,056,158 +570%
American Century Companies
70
American Century Companies
Missouri
$238M 2,405,114 +1,231,477 +105%
Mitsubishi UFJ Asset Management
71
Mitsubishi UFJ Asset Management
Japan
$237M 2,396,414 +165,634 +7%
FAM
72
Fenimore Asset Management
New York
$226M 2,287,420 -9,196 -0.4%
SFFS
73
Stonehage Fleming Financial Services
Jersey
$226M 2,286,146 +2,286,146 New
Citadel Advisors
74
Citadel Advisors
Florida
$223M 2,254,987 +1,080,932 +92%
MIM
75
Meridiem Investment Management
United Kingdom
$210M 2,127,643 -486,870 -19%
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