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Amphenol

1,819 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 716 increasing their positions, 619 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: 716 | Existing positions reduced: 619

11% more funds holding

Funds holding: 1,6411,819 (+178)

2.89% less ownership

Funds ownership: 96.13%93.24% (-2.9%)

Holders
1,819
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
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 +$1.61B
2 +$880M
3 +$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1 -$1.68B
2 -$1.04B
3 -$971M
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$469M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$265M
Name Holding Trade Value Shares
Change
Change in
Stake
FT
251
Fiduciary Trust
Massachusetts
$40.8M
Comerica Bank
252
Comerica Bank
Texas
$40.6M
DP
253
Dearborn Partners
Illinois
$40.5M
Cetera Investment Advisers
254
Cetera Investment Advisers
Illinois
$40.3M
MIM
255
Manitou Investment Management
Ontario, Canada
$40.1M
GAM
256
Gotham Asset Management
New York
$39.5M
FAF
257
Fjarde Ap-fonden
Sweden
$39.2M
DS
258
Dudley & Shanley
Florida
$39.2M
SMDAM
259
Sumitomo Mitsui DS Asset Management
Japan
$39M
FAF
260
Första AP-fonden
Sweden
$38.7M
JA
261
JLB & Associates
Michigan
$38.6M
Jones Financial Companies
262
Jones Financial Companies
Missouri
$38.5M
NPPM
263
North Point Portfolio Managers
Ohio
$38.5M
CNB
264
Czech National Bank
Czech Republic
$38.4M
FFM
265
FengHe Fund Management
Singapore
$38.2M
Calamos Advisors
266
Calamos Advisors
Illinois
$38M
SLAM
267
Swiss Life Asset Management
$37M
SSA
268
South Street Advisors
New York
$36.9M
MSR
269
Main Street Research
Connecticut
$36.8M
GI
270
Gradient Investments
Minnesota
$36.5M
COPPSERS
271
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$36.3M
CIBC World Market
272
CIBC World Market
Ontario, Canada
$36.1M
Jane Street
273
Jane Street
New York
$36.1M
NAM
274
NorthCrest Asset Manangement
Minnesota
$35.8M
X
275
Xponance
Pennsylvania
$35.8M