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Amphenol

1,803 hedge funds and large institutions have $140B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 710 increasing their positions, 610 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 710 | Existing positions reduced: 610

10% more funds holding

Funds holding: 1,6371,803 (+166)

3.56% less ownership

Funds ownership: 96.01%92.45% (-3.6%)

Holders
1,803
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
91
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.82B
2 +$993M
3 +$787M
4
BlackRock
BlackRock
New York
+$778M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$548M

Top Sellers

1 -$1.89B
2 -$1.18B
3 -$1.09B
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$529M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$299M
Name Holding Trade Value Shares
Change
Change in
Stake
DP
251
Dearborn Partners
Illinois
$40.5M
Cetera Investment Advisers
252
Cetera Investment Advisers
Illinois
$40.3M
MIM
253
Manitou Investment Management
Ontario, Canada
$40.1M
GAM
254
Gotham Asset Management
New York
$39.5M
FAF
255
Fjarde Ap-fonden
Sweden
$39.2M
DS
256
Dudley & Shanley
Florida
$39.2M
SMDAM
257
Sumitomo Mitsui DS Asset Management
Japan
$39M
FAF
258
Första AP-fonden
Sweden
$38.7M
JA
259
JLB & Associates
Michigan
$38.6M
Jones Financial Companies
260
Jones Financial Companies
Missouri
$38.5M
NPPM
261
North Point Portfolio Managers
Ohio
$38.5M
CNB
262
Czech National Bank
Czech Republic
$38.4M
FFM
263
FengHe Fund Management
Singapore
$38.2M
Calamos Advisors
264
Calamos Advisors
Illinois
$38M
SLAML
265
Swiss Life Asset Management Ltd
$37M
SSA
266
South Street Advisors
New York
$36.9M
MSR
267
Main Street Research
Connecticut
$36.8M
CAM
268
Cresset Asset Management
Illinois
$36.8M
GI
269
Gradient Investments
Minnesota
$36.5M
COPPSERS
270
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$36.3M
CIBC World Market
271
CIBC World Market
Ontario, Canada
$36.1M
Jane Street
272
Jane Street
New York
$36.1M
NAM
273
NorthCrest Asset Manangement
Minnesota
$35.8M
X
274
Xponance
Pennsylvania
$35.8M
AIM
275
Achmea Investment Management
Netherlands
$35.2M