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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 147 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
WAM
1601
Westport Asset Management
Connecticut
$316K
HWM
1602
Howard Wealth Management
Connecticut
$315K
FG
1603
Foster Group
Iowa
$315K
GBT
1604
Grove Bank & Trust
Florida
$314K
CA
1605
Cache Advisors
California
$314K
PGFC
1606
Peapack-Gladstone Financial Corp
New Jersey
$314K
ML
1607
McAdam LLC
Pennsylvania
$312K
FI
1608
Finivi Inc
Massachusetts
$311K
SSC
1609
Syverson Strege & Co
Iowa
$310K
BPWM
1610
BCS Private Wealth Management
New Jersey
$310K
KFSC
1611
Keystone Financial Services (Colorado)
Colorado
$310K
WDC
1612
Woodward Diversified Capital
California
$307K
CAM
1613
Claret Asset Management
Quebec, Canada
$307K
CAG
1614
Csenge Advisory Group
Florida
$306K
HIG
1615
Heritage Investment Group
Florida
$305K
GIA
1616
Gladstone Institutional Advisory
Florida
$305K
RS
1617
Rakuten Securities
Japan
$304K
ABC
1618
Associated Banc-Corp
Wisconsin
$304K
FFP
1619
Forbes Financial Planning
Rhode Island
$303K
CWM
1620
Calamos Wealth Management
Illinois
$302K
FWA
1621
FSM Wealth Advisors
Ohio
$301K
ST
1622
Spinnaker Trust
Maine
$299K
SI
1623
Stirlingshire Investments
New York
$298K
BWM
1624
BlackDiamond Wealth Management
New York
$298K
SF
1625
Sun Financial
Utah
$297K