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Amphenol

2,113 hedge funds and large institutions have $145B invested in Amphenol in 2026 Q1 according to their latest regulatory filings, with 252 funds opening new positions, 862 increasing their positions, 808 reducing their positions, and 146 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

14% less funds holding in top 10

Funds holding in top 10: 9985 (-14)

38% less capital invested

Capital invested by funds: $233B → $145B (-$88B)

45% less call options, than puts

Call options by funds: $604M | Put options by funds: $1.1B

Holders
2,113
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
85
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$604M
Puts
$1.1B
Net Calls
Net Calls Change

Top Buyers

1 +$2.1B
2 +$1.64B
3 +$1.43B
4
N
Nuveen
North Carolina
+$749M
5
SG Americas Securities
SG Americas Securities
New York
+$437M

Top Sellers

1 -$10.7B
2 -$1.65B
3 -$1.34B
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$977M
5
BlackRock
BlackRock
New York
-$587M
Name Holding Trade Value Shares
Change
Change in
Stake
LTAS
676
Linden Thomas Advisory Services
North Carolina
$5.23M
S
677
SignatureFD
Georgia
$5.19M
SC
678
SummitTX Capital
Texas
$5.18M
ACM
679
Alcosta Capital Management
California
$5.17M
DSC
680
Duncker Streett & Co
Missouri
$5.16M
HA
681
Herold Advisors
New York
$5.15M
LF
682
Lansforsakringar Fondforvaltning
Sweden
$5.15M
SLI
683
Sumitomo Life Insurance
Japan
$5.13M
LIA
684
LS Investment Advisors
Michigan
$5.13M
WB
685
WesBanco Bank
West Virginia
$5.1M
EF
686
Empirical Finance
Pennsylvania
$5.06M
TF
687
Telligent Fund
Hong Kong
$5.05M
BFG
688
Bleakley Financial Group
New Jersey
$5.05M
ACG
689
Allen Capital Group
Nebraska
$5.01M
NMIMC
690
Northwestern Mutual Investment Management Company
Wisconsin
$4.97M
BFPW
691
BOK Financial Private Wealth
Colorado
$4.96M
MAS
692
Meeder Advisory Services
Ohio
$4.95M
BP
693
Ballentine Partners
Massachusetts
$4.93M
AF
694
Arrow Financial
New York
$4.92M
CI
695
Conning Inc
Connecticut
$4.92M
DWM
696
Ducere Wealth Management
California
$4.9M
AC
697
AlphaCore Capital
California
$4.89M
CCP
698
Clough Capital Partners
Massachusetts
$4.88M
PAM
699
Palisade Asset Management
Minnesota
$4.87M
HIS
700
Horizon Investment Services
Indiana
$4.86M