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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
CNAM
226
Campbell Newman Asset Management
Wisconsin
$50.7M
TCM
227
TimesSquare Capital Management
New York
$50.6M
GCM
228
Geneva Capital Management
Wisconsin
$50.4M
MVIP
229
Mar Vista Investment Partners
California
$50.3M
MTC
230
McDaniel Terry & Co
Texas
$50.2M
LIP
231
Liontrust Investment Partners
United Kingdom
$49.9M
BNP Paribas Asset Management
232
BNP Paribas Asset Management
France
$49.5M
NLGIA
233
Nippon Life Global Investors Americas
New York
$48.9M
FMI
234
Factory Mutual Insurance
Massachusetts
$48.7M
QCM
235
QRG Capital Management
Illinois
$48.1M
AHT
236
Amanah Holdings Trust
$47.4M
FGP
237
Freestone Grove Partners
California
$47M
UB
238
UMB Bank
Missouri
$46.9M
Public Sector Pension Investment Board (PSP Investments)
239
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$45.5M
MIM
240
MetLife Investment Management
New Jersey
$44.5M
Brown Advisory
241
Brown Advisory
Maryland
$44.3M
NB
242
Norinchukin Bank
Japan
$44.2M
FMII
243
Farmers & Merchants Investments Inc
Nebraska
$44M
Bank of Nova Scotia
244
Bank of Nova Scotia
Ontario, Canada
$43.9M
ASRS
245
Arizona State Retirement System
Arizona
$43.7M
KC
246
Kepler Cheuvreux
$43.5M
RG
247
Renaissance Group
Kentucky
$43.4M
ProShare Advisors
248
ProShare Advisors
Maryland
$42.5M
MDSL
249
M.D. Sass LLC
New York
$41.6M
RMC
250
Resources Management Corp
Connecticut
$41.3M