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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
MSRPS
551
Maryland State Retirement & Pension System
Maryland
$7.44M
DIA
552
Dana Investment Advisors
Wisconsin
$7.39M
LF
553
Longbow Finance
Switzerland
$7.35M
HFM
554
Harvest Fund Management
China
$7.29M
SAM
555
Securian Asset Management
Minnesota
$7.29M
JFGIW
556
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$7.21M
QC
557
Quantessence Capital
New York
$7.21M
KWM
558
Keebeck Wealth Management
Illinois
$7.07M
MIP
559
Marietta Investment Partners
Wisconsin
$7.02M
AC
560
Asio Capital
Kentucky
$6.97M
IG
561
Ithaka Group
Virginia
$6.94M
Parallax Volatility Advisers
562
Parallax Volatility Advisers
California
$6.93M
AWM
563
Axxcess Wealth Management
California
$6.91M
CCA
564
Catalyst Capital Advisors
New York
$6.91M
BST
565
Bath Savings Trust
Maine
$6.91M
SWM
566
Spire Wealth Management
Virginia
$6.9M
OC
567
Oppenheimer & Co
New York
$6.9M
WG
568
Watchman Group
Texas
$6.9M
BPWM
569
Badgley Phelps Wealth Managers
Washington
$6.81M
GT
570
Greenleaf Trust
Michigan
$6.78M
VI
571
Vestcor Inc
New Brunswick, Canada
$6.77M
GCM
572
Genus Capital Management
British Columbia, Canada
$6.63M
IMRF
573
Illinois Municipal Retirement Fund
Illinois
$6.58M
GCM
574
Graham Capital Management
Connecticut
$6.52M
WDA
575
Wendell David Associates
New Hampshire
$6.49M