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Amphenol

1,640 hedge funds and large institutions have $115B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 327 funds opening new positions, 553 increasing their positions, 569 reducing their positions, and 88 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: 1,4171,640 (+223)

2.38% more ownership

Funds ownership: 93.75%96.13% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 553 | Existing positions reduced: 569

Holders
1,640
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
SOMRS
226
State of Michigan Retirement System
Michigan
$40.9M
Axa
227
Axa
France
$40.8M
Alyeska Investment Group
228
Alyeska Investment Group
Illinois
$40.8M
MTC
229
McDaniel Terry & Co
Texas
$40.3M
State of New Jersey Common Pension Fund D
230
State of New Jersey Common Pension Fund D
New Jersey
$40.2M
Susquehanna International Group
231
Susquehanna International Group
Pennsylvania
$39.9M
JF
232
Jump Financial
Illinois
$39.6M
RG
233
Renaissance Group
Kentucky
$39.6M
Rafferty Asset Management
234
Rafferty Asset Management
New York
$39.4M
FMI
235
Factory Mutual Insurance
Massachusetts
$38.9M
Bank of Nova Scotia
236
Bank of Nova Scotia
Ontario, Canada
$38.4M
WAM
237
Weiss Asset Management
Massachusetts
$38.2M
AHT
238
Amanah Holdings Trust
$37.8M
UB
239
UMB Bank
Missouri
$37.6M
FMII
240
Farmers & Merchants Investments Inc
Nebraska
$37.5M
Macquarie Group
241
Macquarie Group
Australia
$37.3M
ProShare Advisors
242
ProShare Advisors
Maryland
$36M
Brown Advisory
243
Brown Advisory
Maryland
$35.8M
SO
244
STRS Ohio
Ohio
$35.7M
SIG
245
Senator Investment Group
New York
$35.6M
ASRS
246
Arizona State Retirement System
Arizona
$35M
RMC
247
Resources Management Corp
Connecticut
$34.9M
Public Sector Pension Investment Board (PSP Investments)
248
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$34.8M
ACM
249
Aquatic Capital Management
Illinois
$34.8M
CAM
250
Cresset Asset Management
Illinois
$34.3M