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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
FMI
1551
F/M Investments
District of Columbia
$228K
BMCM
1552
Bryn Mawr Capital Management
Pennsylvania
$227K
RA
1553
RFG Advisory
Alabama
$227K
HAM
1554
Harmony Asset Management
Arizona
$227K
PPA
1555
Painted Porch Advisors
California
$226K
FWM
1556
Forefront Wealth Management
Pennsylvania
$226K
SI
1557
Seeds Investor
New York
$225K
WDC
1558
Woodward Diversified Capital
California
$225K
OS
1559
Objectivity Squared
South Carolina
$225K
MFG
1560
Menard Financial Group
Texas
$224K
SIC
1561
SFE Investment Counsel
California
$224K
T
1562
TOBAM
France
$223K
PCMF
1563
Private Capital Management (Florida)
Florida
$223K
VCP
1564
Vista Capital Partners
Oregon
$221K
BAS
1565
Breakthru Advisory Services
Wisconsin
$221K
AIM
1566
Acropolis Investment Management
Missouri
$221K
SWM
1567
SeaCrest Wealth Management
New York
$221K
CA
1568
Claro Advisors
Massachusetts
$220K
CST
1569
Charles Schwab Trust
Nevada
$219K
GP
1570
Guardian Partners
Canada
$217K
EI
1571
eCIO Inc
Wisconsin
$214K
MCCA
1572
Mill Creek Capital Advisors
Pennsylvania
$214K
PL
1573
Plancorp LLC
Missouri
$214K
Wolverine Trading
1574
Wolverine Trading
Illinois
$212K
AT
1575
Arlington Trust
Alabama
$212K