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Amphenol

2,025 hedge funds and large institutions have $233B invested in Amphenol in 2025 Q4 according to their latest regulatory filings, with 323 funds opening new positions, 775 increasing their positions, 745 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more funds holding in top 10

Funds holding in top 10: 9296 (+4)

4% more repeat investments, than reductions

Existing positions increased: 775 | Existing positions reduced: 745

15% less call options, than puts

Call options by funds: $643M | Put options by funds: $753M

Holders
2,025
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
96
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$753M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CAG
226
Crestwood Advisors Group
Massachusetts
$58M
State of New Jersey Common Pension Fund D
227
State of New Jersey Common Pension Fund D
New Jersey
$56.9M
Public Sector Pension Investment Board (PSP Investments)
228
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$56.7M
MPIA
229
Mountain Pacific Investment Advisers
Idaho
$55.8M
QCM
230
QRG Capital Management
Illinois
$55.4M
NLGIA
231
Nippon Life Global Investors Americas
New York
$55.3M
MTC
232
McDaniel Terry & Co
Texas
$52.4M
SOMRS
233
State of Michigan Retirement System
Michigan
$52.3M
Rafferty Asset Management
234
Rafferty Asset Management
New York
$52.2M
Acadian Asset Management
235
Acadian Asset Management
Massachusetts
$52M
FMI
236
Factory Mutual Insurance
Massachusetts
$51.9M
AHT
237
Amanah Holdings Trust
$51.7M
CNAM
238
Campbell Newman Asset Management
Wisconsin
$50M
UB
239
UMB Bank
Missouri
$49.7M
CIBC Asset Management
240
CIBC Asset Management
Ontario, Canada
$49.5M
Brown Advisory
241
Brown Advisory
Maryland
$49.4M
Jones Financial Companies
242
Jones Financial Companies
Missouri
$49.1M
D.E. Shaw & Co
243
D.E. Shaw & Co
New York
$48.6M
CIM
244
CCLA Investment Management
United Kingdom
$48.6M
DnB Asset Management
245
DnB Asset Management
Norway
$48.3M
FMII
246
Farmers & Merchants Investments Inc
Nebraska
$48.1M
GAM
247
Gotham Asset Management
New York
$47.8M
MIM
248
MetLife Investment Management
New Jersey
$47.6M
LIP
249
Liontrust Investment Partners
United Kingdom
$47.6M
ASRS
250
Arizona State Retirement System
Arizona
$46.9M