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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
KFSC
1626
Keystone Financial Services (Colorado)
Colorado
$310K
WDC
1627
Woodward Diversified Capital
California
$307K
CAM
1628
Claret Asset Management
Quebec, Canada
$307K
CAG
1629
Csenge Advisory Group
Florida
$306K
HIG
1630
Heritage Investment Group
Florida
$305K
GIA
1631
Gladstone Institutional Advisory
Florida
$305K
RS
1632
Rakuten Securities
Japan
$304K
ABC
1633
Associated Banc-Corp
Wisconsin
$304K
FFP
1634
Forbes Financial Planning
Rhode Island
$303K
CWM
1635
Calamos Wealth Management
Illinois
$302K
FWA
1636
FSM Wealth Advisors
Ohio
$301K
ST
1637
Spinnaker Trust
Maine
$299K
SI
1638
Stirlingshire Investments
New York
$298K
BWM
1639
BlackDiamond Wealth Management
New York
$298K
SF
1640
Sun Financial
Utah
$297K
BFA
1641
Bragg Financial Advisors
North Carolina
$297K
KMWM
1642
Keudell/Morrison Wealth Management
Oregon
$296K
BWM
1643
Baron Wealth Management
Michigan
$296K
CCA
1644
Childress Capital Advisors
Texas
$295K
CTC
1645
Central Trust Company
Missouri
$293K
AP
1646
Atwood & Palmer
Missouri
$293K
VFG
1647
Victory Financial Group
Texas
$291K
WFA
1648
Wellspring Financial Advisors
Ohio
$291K
ACP
1649
Aviance Capital Partners
Florida
$288K
GWM
1650
Greenline Wealth Management
Florida
$288K