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Amphenol

1,631 hedge funds and large institutions have $114B invested in Amphenol in 2025 Q2 according to their latest regulatory filings, with 326 funds opening new positions, 550 increasing their positions, 567 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 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: 1,4101,631 (+221)

2.38% more ownership

Funds ownership: 93.35%95.73% (+2.4%)

3% less repeat investments, than reductions

Existing positions increased: 550 | Existing positions reduced: 567

Holders
1,631
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
76
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
WCM
176
Wedge Capital Management
North Carolina
$66.6M
ACM
177
Alta Capital Management
Utah
$66.4M
State of Wisconsin Investment Board
178
State of Wisconsin Investment Board
Wisconsin
$66.4M
CSS
179
Cubist Systematic Strategies
Connecticut
$66.2M
HCM
180
Howland Capital Management
Massachusetts
$66M
AIM
181
Avity Investment Management
Connecticut
$64.1M
Chevy Chase Trust
182
Chevy Chase Trust
Maryland
$63.1M
SCP
183
Sandhill Capital Partners
New York
$63.1M
Toronto Dominion Bank
184
Toronto Dominion Bank
Ontario, Canada
$62.8M
PCM
185
Palisade Capital Management
New Jersey
$62.4M
SSA
186
Schonfeld Strategic Advisors
New York
$62.1M
Teacher Retirement System of Texas
187
Teacher Retirement System of Texas
Texas
$61.6M
DP
188
Dundas Partners
United Kingdom
$61M
FDCP
189
Foster Dykema Cabot & Partners
Massachusetts
$60M
Ensign Peak Advisors
190
Ensign Peak Advisors
Utah
$59.9M
MDSL
191
M.D. Sass LLC
New York
$59.7M
Robeco Institutional Asset Management
192
Robeco Institutional Asset Management
Netherlands
$58.7M
Corient Private Wealth
193
Corient Private Wealth
Florida
$58.5M
Creative Planning
194
Creative Planning
Kansas
$56.5M
RMCM
195
Reynders McVeigh Capital Management
Massachusetts
$56.3M
Mariner
196
Mariner
Kansas
$56.3M
Ohio Public Employees Retirement System (OPERS)
197
Ohio Public Employees Retirement System (OPERS)
Ohio
$56.1M
Treasurer of the State of North Carolina
198
Treasurer of the State of North Carolina
North Carolina
$55.6M
Twin Tree Management
199
Twin Tree Management
Texas
$54.9M
LCM
200
Logan Capital Management
Pennsylvania
$53.9M