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Amphenol

1,646 hedge funds and large institutions have $115B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 328 funds opening new positions, 556 increasing their positions, 571 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: 1,4231,646 (+223)

0.73% more ownership

Funds ownership: 95.44%96.17% (+0.73%)

3% less repeat investments, than reductions

Existing positions increased: 556 | Existing positions reduced: 571

Holders
1,646
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
776
$1.8M
777
$1.79M
778
$1.78M
779
$1.73M
780
$1.72M
781
$1.72M
782
$1.71M
783
$1.71M
784
$1.7M
785
$1.7M
786
$1.7M
787
$1.69M
788
$1.69M
789
$1.69M
790
$1.68M
791
$1.68M
792
$1.68M
793
$1.66M
794
$1.66M
795
$1.66M
796
$1.66M
797
$1.63M
798
$1.62M
799
$1.61M
800
$1.6M