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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 326 funds opening new positions, 552 increasing their positions, 568 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: 1,4141,637 (+223)

2.37% more ownership

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

3% less repeat investments, than reductions

Existing positions increased: 552 | Existing positions reduced: 568

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
NCM
251
Noesis Capital Mangement
Florida
$33.8M
FT
252
Fiduciary Trust
Massachusetts
$33.5M
Comerica Bank
253
Comerica Bank
Texas
$33.2M
SSA
254
South Street Advisors
New York
$33.1M
QT
255
Quantbot Technologies
New York
$33.1M
CIM
256
Confluence Investment Management
Missouri
$32.9M
DP
257
Dearborn Partners
Illinois
$32.8M
JA
258
JLB & Associates
Michigan
$32.6M
MIM
259
Manitou Investment Management
Ontario, Canada
$32.6M
QCM
260
Quantinno Capital Management
New York
$32.4M
N
261
Natixis
France
$32.2M
IG
262
ING Group
Netherlands
$31.7M
FAF
263
Fjarde Ap-fonden
Sweden
$31.7M
NPPM
264
North Point Portfolio Managers
Ohio
$31.3M
Calamos Advisors
265
Calamos Advisors
Illinois
$30.3M
SI
266
Stephens Inc
Arkansas
$29.8M
FAF
267
Första AP-fonden
Sweden
$29.5M
COPPSERS
268
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$29.3M
CNB
269
Czech National Bank
Czech Republic
$29.2M
AIM
270
Achmea Investment Management
Netherlands
$28.8M
X
271
Xponance
Pennsylvania
$28.7M
CAM
272
Congress Asset Management
Massachusetts
$28.5M
OCM
273
Oribel Capital Management
New York
$28.4M
GI
274
Gradient Investments
Minnesota
$28.4M
NAM
275
NorthCrest Asset Manangement
Minnesota
$28.3M