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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
GAAM
626
Guinness Atkinson Asset Management
California
$6.6M
CGPCS
627
Capital Group Private Client Services
California
$6.59M
MCWS
628
McKinley Carter Wealth Services
West Virginia
$6.48M
GT
629
Greenleaf Trust
Michigan
$6.45M
AI
630
AdvisorShares Investments
Maryland
$6.44M
GI
631
GAMCO Investors
Connecticut
$6.39M
Bessemer Group
632
Bessemer Group
New Jersey
$6.37M
MSE
633
MUFG Securities EMEA
United Kingdom
$6.37M
LFAS
634
Level Four Advisory Services
Texas
$6.34M
FAM
635
Fulcrum Asset Management
United Kingdom
$6.33M
ALMGDA
636
AG2R La Mondiale Gestion d'Actifs
France
$6.3M
MCM
637
MAI Capital Management
Ohio
$6.27M
SM
638
Sciencast Management
New Jersey
$6.25M
OFA
639
Oak Family Advisors
Illinois
$6.15M
TMAM
640
Tokio Marine Asset Management
Japan
$6.1M
HIS
641
Harvest Investment Services
Illinois
$6.1M
KPWS
642
Kestra Private Wealth Services
Texas
$6.07M
JKA
643
Jones Kertz & Associates
Minnesota
$6.03M
MCM
644
Mitchell Capital Management
Kansas
$6.01M
SIM
645
Stratos Investment Management
Ohio
$6.01M
NSB
646
Norway Savings Bank
Maine
$5.97M
LOAMS
647
Lombard Odier Asset Management (Switzerland)
Switzerland
$5.97M
QT
648
Quantbot Technologies
New York
$5.88M
SFS
649
Sowell Financial Services
Arkansas
$5.88M
SFA
650
Sequoia Financial Advisors
Ohio
$5.84M