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Amphenol

1,641 hedge funds and large institutions have $115B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 327 funds opening new positions, 554 increasing their positions, 569 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

16% more funds holding

Funds holding: 1,4191,641 (+222)

2.37% more ownership

Funds ownership: 93.75%96.12% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 554 | Existing positions reduced: 569

Holders
1,641
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$537M
Puts
$373M
Net Calls
Net Calls Change

Top Buyers

1 +$615M
2 +$444M
3 +$407M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$304M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$276M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$223M
77
$210M
78
$210M
79
$204M
80
$202M
81
$198M
82
$192M
83
$191M
84
$189M
85
$189M
86
$188M
87
$187M
88
$187M
89
$181M
90
$178M
91
$177M
92
$172M
93
$172M
94
$169M
95
$167M
96
$163M
97
$159M
98
$159M
99
$158M
100
$147M