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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
CC
176
Cartenna Capital
Connecticut
$83.5M
Toronto Dominion Bank
177
Toronto Dominion Bank
Ontario, Canada
$80.9M
State of Wisconsin Investment Board
178
State of Wisconsin Investment Board
Wisconsin
$80.9M
Teacher Retirement System of Texas
179
Teacher Retirement System of Texas
Texas
$80.7M
HCM
180
Howland Capital Management
Massachusetts
$80.6M
US Bancorp
181
US Bancorp
Minnesota
$79.9M
ACM
182
Alta Capital Management
Utah
$78.7M
SCP
183
Sandhill Capital Partners
New York
$78.2M
MNA
184
Manning & Napier Advisors
New York
$78.1M
Corient Private Wealth
185
Corient Private Wealth
Florida
$77.9M
Chevy Chase Trust
186
Chevy Chase Trust
Maryland
$77.1M
Mariner
187
Mariner
Kansas
$75.9M
DP
188
Dundas Partners
United Kingdom
$75M
Creative Planning
189
Creative Planning
Kansas
$74.6M
FDCP
190
Foster Dykema Cabot & Partners
Massachusetts
$74.5M
VCP
191
Varenne Capital Partners
France
$74.5M
WCM
192
Wedge Capital Management
North Carolina
$73.2M
Ohio Public Employees Retirement System (OPERS)
193
Ohio Public Employees Retirement System (OPERS)
Ohio
$72.2M
Robeco Institutional Asset Management
194
Robeco Institutional Asset Management
Netherlands
$71.5M
LCM
195
Logan Capital Management
Pennsylvania
$69.2M
RMCM
196
Reynders McVeigh Capital Management
Massachusetts
$69M
LCOV
197
London Company of Virginia
Virginia
$68.6M
SO
198
STRS Ohio
Ohio
$68.4M
AIM
199
Avity Investment Management
Connecticut
$68.3M
GAM
200
Guinness Asset Management
United Kingdom
$67.9M