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Amphenol
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Overview Fund Activity

1,625 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 323 funds opening new positions, 551 increasing their positions, 564 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,625
Holders Change
+216
Holders Change %
+15.33%
% of All Funds
21.79%
Holding in Top 10
75
Holding in Top 10 Change
+29
Holding in Top 10 Change %
+63.04%
% of All Funds
1.01%
New
323
Increased
551
Reduced
564
Closed
85
Calls
$537M
Puts
$373M
Net Calls
+$164M
Net Calls Change
+$84.9M

Top Buyers

1
Victory Capital Management
Victory Capital Management
Texas
+$743M
2
AIM
Alphinity Investment Management
Australia
+$536M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$492M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$368M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$333M

Top Sellers

1
Vanguard Group
Vanguard Group
Pennsylvania
-$1.43B
2
BlackRock
BlackRock
New York
-$723M
3
Amundi
Amundi
France
-$630M
4
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
-$289M
5
Bank of New York Mellon
Bank of New York Mellon
New York
-$285M
Name Holding Trade Value Shares
Change 		Shares
Change %
MIM
76
Meridiem Investment Management
United Kingdom
$210M -$48.1M -486,870 -19%
Bank Julius Baer & Co
77
Bank Julius Baer & Co
Switzerland
$210M +$14.4M +146,037 +7%
PCH
78
Polar Capital Holdings
United Kingdom
$204M +$79.1M +801,120 +63%
LCOV
79
London Company of Virginia
Virginia
$202M -$8.42M -85,216 -4%
JHP
80
James Hambro & Partners
United Kingdom
$198M -$4.59M -46,477 -2%
CG
81
Carmignac Gestion
France
$192M -$12.3M -124,500 -6%
Bank of Montreal
82
Bank of Montreal
Ontario, Canada
$191M -$24.9M -252,015 -12%
HSBC Holdings
83
HSBC Holdings
United Kingdom
$189M -$61.5M -623,229 -25%
California State Teachers Retirement System (CalSTRS)
84
California State Teachers Retirement System (CalSTRS)
California
$189M +$1.72M +17,403 +0.9%
Lord, Abbett & Co
85
Lord, Abbett & Co
New Jersey
$188M +$188M +1,902,362 New
Two Sigma Investments
86
Two Sigma Investments
New York
$187M +$182M +1,847,845 +3,839%
BAMCO Inc
87
BAMCO Inc
New York
$187M +$3.55M +35,978 +2%
Public Employees Retirement Association of Colorado
88
Public Employees Retirement Association of Colorado
Colorado
$181M -$187K -1,892 -0.1%
1832 Asset Management
89
1832 Asset Management
Ontario, Canada
$178M +$176M +1,781,570 +8,384%
Jane Street
90
Jane Street
New York
$177M +$139M +1,408,928 +364%
Ameriprise
91
Ameriprise
Minnesota
$172M -$42.9M -453,813 -20%
Los Angeles Capital Management
92
Los Angeles Capital Management
California
$172M -$64.6M -653,875 -27%
Citigroup
93
Citigroup
New York
$169M -$6.16M -62,419 -4%
MC
94
Maren Capital
Illinois
$167M +$4.95M +50,096 +3%
SCM
95
Snyder Capital Management
California
$163M -$22.3M -225,630 -12%
GIM
96
Glenmede Investment Management
Pennsylvania
$159M +$159M +1,612,788 New
New York State Common Retirement Fund
97
New York State Common Retirement Fund
New York
$159M -$1.13M -11,468 -0.7%
ACP
98
Atalan Capital Partners
New York
$158M +$20.2M +205,000 +15%
Cerity Partners
99
Cerity Partners
New York
$146M +$12.2M +124,034 +9%
RMDI
100
R.M. Davis Inc
Maine
$146M -$4.84K -49 -0%
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