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Amphenol

1,802 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, 709 increasing their positions, 610 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: 709 | Existing positions reduced: 610

10% more funds holding

Funds holding: 1,6371,802 (+165)

3.56% less ownership

Funds ownership: 96.01%92.45% (-3.6%)

Holders
1,802
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
ACM
601
Alcosta Capital Management
California
$5.63M
AC
602
AlphaCore Capital
California
$5.61M
ATC
603
Argent Trust Co
Tennessee
$5.58M
MCM
604
Mitchell Capital Management
Kansas
$5.56M
LJCM
605
Lee Johnson Capital Management
Texas
$5.54M
AC
606
Allstate Corporation
Illinois
$5.5M
OIS
607
Okabena Investment Services
Minnesota
$5.47M
BHWM
608
Bar Harbor Wealth Management
New Hampshire
$5.46M
CI
609
Conning Inc
Connecticut
$5.44M
BCM
610
Buckhead Capital Management
Georgia
$5.39M
BRCM
611
Bright Rock Capital Management
Massachusetts
$5.32M
LOAMS
612
Lombard Odier Asset Management (Switzerland)
Switzerland
$5.3M
VAS
613
Vestmark Advisory Solutions
Massachusetts
$5.3M
O
614
Ossiam
France
$5.29M
TMAM
615
Tokio Marine Asset Management
Japan
$5.26M
MA
616
Montag & Associates
Georgia
$5.26M
AF
617
Arrow Financial
New York
$5.23M
FNA
618
First National Advisers
Nebraska
$5.22M
QCG
619
Quadrant Capital Group
Ohio
$5.21M
EF
620
Empirical Finance
Pennsylvania
$5.18M
PP
621
PDT Partners
New York
$5.17M
SC
622
SummitTX Capital
Texas
$5.13M
FFA
623
Farther Finance Advisors
California
$5.13M
S
624
SignatureFD
Georgia
$5.1M
WB
625
WesBanco Bank
West Virginia
$5.09M