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Amphenol

1,797 hedge funds and large institutions have $140B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 707 increasing their positions, 607 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: 707 | Existing positions reduced: 607

10% more funds holding

Funds holding: 1,6361,797 (+161)

3.57% less ownership

Funds ownership: 95.99%92.42% (-3.6%)

Holders
1,797
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
91
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 +$1.82B
2 +$993M
3 +$787M
4
BlackRock
BlackRock
New York
+$778M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$548M

Top Sellers

1 -$1.89B
2 -$1.18B
3 -$1.09B
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$529M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$299M
Name Holding Trade Value Shares
Change
Change in
Stake
RL
1826
Retireful LLC
Michigan
PMAM
1827
Picton Mahoney Asset Management
Ontario, Canada
SCM
1828
Stevens Capital Management
Pennsylvania
IC
1829
Iconiq Capital
California
Walleye Capital
1830
Walleye Capital
New York
QCM
1831
Qsemble Capital Management
New York
I
1832
InceptionR
California
SRL
1833
Scientech Research LLC
New Jersey
MF
1834
Magnetar Financial
Illinois
FIM
1835
Freedom Investment Management
Connecticut
BPC
1836
Bryce Point Capital
New York
TCM
1837
Tributary Capital Management
Nebraska
JGUA
1838
John G. Ullman & Associates
New York
FAIM
1839
Financial Advocates Investment Management
Washington
SCM
1840
SCS Capital Management
Massachusetts
AGM
1841
Alpine Global Management
New York
UAM
1842
UAS Asset Management
New York
HWP
1843
Hibernia Wealth Partners
Louisiana
EFI
1844
EHP Funds Inc
Canada
WMWM
1845
Whitaker-Myers Wealth Managers
Ohio
SIG
1846
Sargent Investment Group
Maryland
VI
1847
Versor Investments
New York
MPM
1848
MBB Public Markets
Illinois
TIA
1849
Trust Investment Advisors
Indiana
FWM
1850
FFT Wealth Management
Pennsylvania