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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
ACG
1351
Allen Capital Group
Nebraska
$373K
SQA
1352
Simon Quick Advisors
New Jersey
$372K
MSA
1353
Marino Stram & Associates
Massachusetts
$372K
BSSFA
1354
Baron Silver Stevens Financial Advisors
Florida
$370K
Financial Engines Advisors
1355
Financial Engines Advisors
California
$368K
SS
1356
SBI Securities
Japan
$368K
FFA
1357
Founders Financial Alliance
North Carolina
$366K
LAM
1358
Lummis Asset Management
Texas
$366K
AWMS
1359
Advocacy Wealth Management Services
Georgia
$362K
APP
1360
Avantax Planning Partners
Iowa
$356K
AWA
1361
Aquire Wealth Advisors
Utah
$355K
FFA
1362
Fi3 Financial Advisors
Indiana
$351K
CT
1363
Clearstead Trust
Maine
$350K
VT
1364
Volterra Technologies
New York
$349K
IP
1365
Ignite Planners
California
$349K
ABC
1366
Associated Banc-Corp
Wisconsin
$349K
MAG
1367
Mayfair Advisory Group
Alabama
$347K
HFS
1368
Horizon Financial Services
North Carolina
$347K
PA
1369
Procyon Advisors
Connecticut
$346K
DOA
1370
D'Orazio & Associates
Virginia
$346K
MWM
1371
Meridian Wealth Management
Kentucky
$346K
OAM
1372
Occidental Asset Management
California
$345K
DBRC
1373
D.B. Root & Company
Pennsylvania
$343K
1WA
1374
180 Wealth Advisors
Washington
$343K
ESB
1375
Essex Savings Bank
Connecticut
$343K