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Amphenol

1,640 hedge funds and large institutions have $115B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 327 funds opening new positions, 553 increasing their positions, 569 reducing their positions, and 88 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

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

16% more funds holding

Funds holding: 1,4171,640 (+223)

2.38% more ownership

Funds ownership: 93.75%96.13% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 553 | Existing positions reduced: 569

Holders
1,640
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$537M
Puts
$373M
Net Calls
Net Calls Change

Top Buyers

1 +$743M
2 +$536M
3 +$492M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$368M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$333M
Name Holding Trade Value Shares
Change
Change in
Stake
Royal London Asset Management
176
Royal London Asset Management
United Kingdom
$69.7M
Select Equity Group
177
Select Equity Group
New York
$66.8M
WCM
178
Wedge Capital Management
North Carolina
$66.6M
ACM
179
Alta Capital Management
Utah
$66.4M
State of Wisconsin Investment Board
180
State of Wisconsin Investment Board
Wisconsin
$66.4M
CSS
181
Cubist Systematic Strategies
Connecticut
$66.2M
HCM
182
Howland Capital Management
Massachusetts
$66M
AIM
183
Avity Investment Management
Connecticut
$64.1M
Chevy Chase Trust
184
Chevy Chase Trust
Maryland
$63.1M
SCP
185
Sandhill Capital Partners
New York
$63.1M
Toronto Dominion Bank
186
Toronto Dominion Bank
Ontario, Canada
$62.8M
PCM
187
Palisade Capital Management
New Jersey
$62.4M
SSA
188
Schonfeld Strategic Advisors
New York
$62.1M
Teacher Retirement System of Texas
189
Teacher Retirement System of Texas
Texas
$61.6M
DP
190
Dundas Partners
United Kingdom
$61M
FDCP
191
Foster Dykema Cabot & Partners
Massachusetts
$60M
Ensign Peak Advisors
192
Ensign Peak Advisors
Utah
$59.9M
MDSL
193
M.D. Sass LLC
New York
$59.7M
Robeco Institutional Asset Management
194
Robeco Institutional Asset Management
Netherlands
$58.7M
Corient Private Wealth
195
Corient Private Wealth
Florida
$58.5M
Creative Planning
196
Creative Planning
Kansas
$56.5M
RMCM
197
Reynders McVeigh Capital Management
Massachusetts
$56.3M
Mariner
198
Mariner
Kansas
$56.3M
Ohio Public Employees Retirement System (OPERS)
199
Ohio Public Employees Retirement System (OPERS)
Ohio
$56.1M
Treasurer of the State of North Carolina
200
Treasurer of the State of North Carolina
North Carolina
$55.6M