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Amphenol

1,637 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 328 funds opening new positions, 550 increasing their positions, 569 reducing their positions, and 87 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

16% more funds holding

Funds holding: 1,4121,637 (+225)

2.37% more ownership

Funds ownership: 93.64%96.01% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 550 | Existing positions reduced: 569

Holders
1,637
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$537M
Puts
$373M
Net Calls
Net Calls Change

Top Buyers

1 +$743M
2 +$536M
3 +$492M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$368M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$333M
Name Holding Trade Value Shares
Change
Change in
Stake
Axa
226
Axa
France
$40.8M
Alyeska Investment Group
227
Alyeska Investment Group
Illinois
$40.8M
MTC
228
McDaniel Terry & Co
Texas
$40.3M
State of New Jersey Common Pension Fund D
229
State of New Jersey Common Pension Fund D
New Jersey
$40.2M
Susquehanna International Group
230
Susquehanna International Group
Pennsylvania
$39.9M
JF
231
Jump Financial
Illinois
$39.6M
RG
232
Renaissance Group
Kentucky
$39.6M
Rafferty Asset Management
233
Rafferty Asset Management
New York
$39.4M
FMI
234
Factory Mutual Insurance
Massachusetts
$38.9M
Bank of Nova Scotia
235
Bank of Nova Scotia
Ontario, Canada
$38.4M
WAM
236
Weiss Asset Management
Massachusetts
$38.2M
AHT
237
Amanah Holdings Trust
$37.8M
UB
238
UMB Bank
Missouri
$37.6M
FMII
239
Farmers & Merchants Investments Inc
Nebraska
$37.5M
Macquarie Group
240
Macquarie Group
Australia
$37.3M
ProShare Advisors
241
ProShare Advisors
Maryland
$36M
Brown Advisory
242
Brown Advisory
Maryland
$35.8M
SO
243
STRS Ohio
Ohio
$35.7M
SIG
244
Senator Investment Group
New York
$35.6M
ASRS
245
Arizona State Retirement System
Arizona
$35M
RMC
246
Resources Management Corp
Connecticut
$34.9M
Public Sector Pension Investment Board (PSP Investments)
247
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$34.8M
ACM
248
Aquatic Capital Management
Illinois
$34.8M
CAM
249
Cresset Asset Management
Illinois
$34.3M
State of Tennessee, Department of Treasury
250
State of Tennessee, Department of Treasury
Tennessee
$34.1M