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Amphenol

1,812 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, 712 increasing their positions, 616 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 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: 712 | Existing positions reduced: 616

10% more funds holding

Funds holding: 1,6401,812 (+172)

2.98% less ownership

Funds ownership: 96.13%93.15% (-3%)

Holders
1,812
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 +$1.82B
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
CTB
176
Country Trust Bank
Illinois
$83.6M
CC
177
Cartenna Capital
Connecticut
$83.5M
Toronto Dominion Bank
178
Toronto Dominion Bank
Ontario, Canada
$80.9M
State of Wisconsin Investment Board
179
State of Wisconsin Investment Board
Wisconsin
$80.9M
Teacher Retirement System of Texas
180
Teacher Retirement System of Texas
Texas
$80.7M
HCM
181
Howland Capital Management
Massachusetts
$80.6M
US Bancorp
182
US Bancorp
Minnesota
$79.9M
ACM
183
Alta Capital Management
Utah
$78.7M
SCP
184
Sandhill Capital Partners
New York
$78.2M
MNA
185
Manning & Napier Advisors
New York
$78.1M
Corient Private Wealth
186
Corient Private Wealth
Florida
$77.9M
Chevy Chase Trust
187
Chevy Chase Trust
Maryland
$77.1M
Mariner
188
Mariner
Kansas
$75.9M
DP
189
Dundas Partners
United Kingdom
$75M
Creative Planning
190
Creative Planning
Kansas
$74.6M
FDCP
191
Foster Dykema Cabot & Partners
Massachusetts
$74.5M
VCP
192
Varenne Capital Partners
France
$74.5M
WCM
193
Wedge Capital Management
North Carolina
$73.2M
Ohio Public Employees Retirement System (OPERS)
194
Ohio Public Employees Retirement System (OPERS)
Ohio
$72.2M
Robeco Institutional Asset Management
195
Robeco Institutional Asset Management
Netherlands
$71.5M
LCM
196
Logan Capital Management
Pennsylvania
$69.2M
RMCM
197
Reynders McVeigh Capital Management
Massachusetts
$69M
LCOV
198
London Company of Virginia
Virginia
$68.6M
SO
199
STRS Ohio
Ohio
$68.4M
AIM
200
Avity Investment Management
Connecticut
$68.3M