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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
Royal London Asset Management
176
Royal London Asset Management
United Kingdom
$85.9M
CTB
177
Country Trust Bank
Illinois
$83.6M
CC
178
Cartenna Capital
Connecticut
$83.5M
Toronto Dominion Bank
179
Toronto Dominion Bank
Ontario, Canada
$80.9M
State of Wisconsin Investment Board
180
State of Wisconsin Investment Board
Wisconsin
$80.9M
Teacher Retirement System of Texas
181
Teacher Retirement System of Texas
Texas
$80.7M
HCM
182
Howland Capital Management
Massachusetts
$80.6M
US Bancorp
183
US Bancorp
Minnesota
$79.9M
ACM
184
Alta Capital Management
Utah
$78.7M
SCP
185
Sandhill Capital Partners
New York
$78.2M
MNA
186
Manning & Napier Advisors
New York
$78.1M
Corient Private Wealth
187
Corient Private Wealth
Florida
$77.9M
Chevy Chase Trust
188
Chevy Chase Trust
Maryland
$77.1M
Mariner
189
Mariner
Kansas
$75.9M
DP
190
Dundas Partners
United Kingdom
$75M
Creative Planning
191
Creative Planning
Kansas
$74.6M
FDCP
192
Foster Dykema Cabot & Partners
Massachusetts
$74.5M
VCP
193
Varenne Capital Partners
France
$74.5M
WCM
194
Wedge Capital Management
North Carolina
$73.2M
Ohio Public Employees Retirement System (OPERS)
195
Ohio Public Employees Retirement System (OPERS)
Ohio
$72.2M
Robeco Institutional Asset Management
196
Robeco Institutional Asset Management
Netherlands
$71.5M
LCM
197
Logan Capital Management
Pennsylvania
$69.2M
RMCM
198
Reynders McVeigh Capital Management
Massachusetts
$69M
LCOV
199
London Company of Virginia
Virginia
$68.6M
SO
200
STRS Ohio
Ohio
$68.4M