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Amphenol

2,094 hedge funds and large institutions have $145B invested in Amphenol in 2026 Q1 according to their latest regulatory filings, with 250 funds opening new positions, 857 increasing their positions, 798 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: 9884 (-14)

38% less capital invested

Capital invested by funds: $233B → $145B (-$88.3B)

45% less call options, than puts

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

Holders
2,094
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
84
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
GLA
651
Great Lakes Advisors
Illinois
$5.71M
PIM
652
Plato Investment Management
Australia
$5.64M
OIS
653
Okabena Investment Services
Minnesota
$5.58M
KF
654
Krilogy Financial
Missouri
$5.57M
AT
655
American Trust
Kentucky
$5.55M
CAU
656
Caxton Associates (UK)
$5.49M
BFM
657
Boothbay Fund Management
New York
$5.47M
CW
658
CreativeOne Wealth
Kansas
$5.47M
WIA
659
World Investment Advisors
California
$5.46M
KWM
660
Keebeck Wealth Management
Illinois
$5.46M
QCG
661
Quadrant Capital Group
Ohio
$5.43M
BRCM
662
Bright Rock Capital Management
Massachusetts
$5.43M
BIG
663
Brooklyn Investment Group
New York
$5.4M
CIA
664
Concurrent Investment Advisors
Florida
$5.36M
CPBTD
665
Central Pacific Bank - Trust Division
Hawaii
$5.35M
EI
666
EFG International
$5.34M
ATC
667
Argent Trust Co
Tennessee
$5.33M
BP
668
BNP Paribas
France
$5.28M
CGIM
669
Capital Group Investment Management
Singapore
$5.28M
LS
670
Livforsakringsbolaget Skandia
Sweden
$5.24M
LTAS
671
Linden Thomas Advisory Services
North Carolina
$5.23M
S
672
SignatureFD
Georgia
$5.19M
SC
673
SummitTX Capital
Texas
$5.18M
ACM
674
Alcosta Capital Management
California
$5.17M
DSC
675
Duncker Streett & Co
Missouri
$5.16M