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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
State of Tennessee, Department of Treasury
251
State of Tennessee, Department of Treasury
Tennessee
$34.1M
NCM
252
Noesis Capital Mangement
Florida
$33.8M
FT
253
Fiduciary Trust
Massachusetts
$33.5M
Comerica Bank
254
Comerica Bank
Texas
$33.2M
SSA
255
South Street Advisors
New York
$33.1M
QT
256
Quantbot Technologies
New York
$33.1M
CIM
257
Confluence Investment Management
Missouri
$32.9M
DP
258
Dearborn Partners
Illinois
$32.8M
JA
259
JLB & Associates
Michigan
$32.6M
MIM
260
Manitou Investment Management
Ontario, Canada
$32.6M
QCM
261
Quantinno Capital Management
New York
$32.4M
N
262
Natixis
France
$32.2M
IG
263
ING Group
Netherlands
$31.7M
FAF
264
Fjarde Ap-fonden
Sweden
$31.7M
NPPM
265
North Point Portfolio Managers
Ohio
$31.3M
Calamos Advisors
266
Calamos Advisors
Illinois
$30.3M
SI
267
Stephens Inc
Arkansas
$29.8M
FAF
268
Första AP-fonden
Sweden
$29.5M
COPPSERS
269
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$29.3M
CNB
270
Czech National Bank
Czech Republic
$29.2M
AIM
271
Achmea Investment Management
Netherlands
$28.8M
X
272
Xponance
Pennsylvania
$28.7M
CAM
273
Congress Asset Management
Massachusetts
$28.5M
OCM
274
Oribel Capital Management
New York
$28.4M
GI
275
Gradient Investments
Minnesota
$28.4M