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Amphenol

1,819 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 716 increasing their positions, 619 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 716 | Existing positions reduced: 619

11% more funds holding

Funds holding: 1,6411,819 (+178)

2.89% less ownership

Funds ownership: 96.13%93.24% (-2.9%)

Holders
1,819
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.61B
2 +$880M
3 +$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1 -$1.68B
2 -$1.04B
3 -$971M
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$469M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$265M
Name Holding Trade Value Shares
Change
Change in
Stake
NSIM
1776
North Star Investment Management
Illinois
$6.93K
T
1777
Tidemark
California
$6.68K
BHWM
1778
Bay Harbor Wealth Management
Maryland
$6.56K
BC
1779
Barrett & Company
Rhode Island
$5.2K
HWM
1780
HighMark Wealth Management
Minnesota
$4.83K
BT
1781
Banque Transatlantique
France
$4.82K
NL
1782
NVWM LLC
Pennsylvania
$4.33K
PP
1783
Pacifica Partners
Canada
$4.11K
ACA
1784
American Capital Advisory
Idaho
$3.84K
SN
1785
Sittner & Nelson
Oregon
$3.71K
FC
1786
Financial Consulate
Maryland
$3.71K
PAI
1787
Pittenger & Anderson Inc
Nebraska
$3.71K
QWM
1788
Quaker Wealth Management
New Jersey
$3.46K
RWS
1789
Retirement Wealth Solutions
Wisconsin
$3.46K
APW
1790
Atlantic Private Wealth
North Carolina
$3.44K
SHIM
1791
Stone House Investment Management
Pennsylvania
$3.34K
TCM
1792
Tradewinds Capital Management
Washington
$3.22K
PS
1793
PayPay Securities
Japan
$3.09K
1IA
1794
1620 Investment Advisors
Massachusetts
$3.01K
GWM
1795
Geneos Wealth Management
Colorado
$2.97K
EWP
1796
Elevation Wealth Partners
California
$2.97K
WA
1797
WestEnd Advisors
North Carolina
$2.72K
AFWM
1798
Abich Financial Wealth Management
Virginia
$2.72K
LB
1799
Legacy Bridge
Iowa
$2.6K
AF
1800
Alerus Financial
North Dakota
$2.6K