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Amphenol

2,025 hedge funds and large institutions have $233B invested in Amphenol in 2025 Q4 according to their latest regulatory filings, with 323 funds opening new positions, 775 increasing their positions, 745 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more funds holding in top 10

Funds holding in top 10: 9296 (+4)

4% more repeat investments, than reductions

Existing positions increased: 775 | Existing positions reduced: 745

15% less call options, than puts

Call options by funds: $643M | Put options by funds: $753M

Holders
2,025
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
96
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$753M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
STA
176
Summit Trail Advisors
New York
$89.1M
Thrivent Financial for Lutherans
177
Thrivent Financial for Lutherans
Minnesota
$87.7M
Teacher Retirement System of Texas
178
Teacher Retirement System of Texas
Texas
$87.6M
Mariner
179
Mariner
Kansas
$85.5M
State of Wisconsin Investment Board
180
State of Wisconsin Investment Board
Wisconsin
$85.5M
US Bancorp
181
US Bancorp
Minnesota
$85.3M
Citadel Advisors
182
Citadel Advisors
Florida
$84.3M
Chevy Chase Trust
183
Chevy Chase Trust
Maryland
$84M
Creative Planning
184
Creative Planning
Kansas
$83.7M
BMSSC
185
B. Metzler seel. Sohn & Co
Germany
$83.5M
SCP
186
Sandhill Capital Partners
New York
$82.8M
CCM
187
Compass Capital Management
Minnesota
$82.7M
Qube Research & Technologies (QRT)
188
Qube Research & Technologies (QRT)
United Kingdom
$82.7M
BGCP
189
Bristol Gate Capital Partners
Ontario, Canada
$82.6M
HCM
190
Howland Capital Management
Massachusetts
$82.5M
QCM
191
Quantinno Capital Management
New York
$81.2M
Federated Hermes
192
Federated Hermes
Pennsylvania
$79.8M
Ohio Public Employees Retirement System (OPERS)
193
Ohio Public Employees Retirement System (OPERS)
Ohio
$77.2M
SO
194
STRS Ohio
Ohio
$77M
Credit Agricole
195
Credit Agricole
France
$75.9M
Asset Management One
196
Asset Management One
Japan
$75.2M
MNA
197
Manning & Napier Advisors
New York
$73.7M
Pictet Asset Management
198
Pictet Asset Management
Switzerland
$72.9M
Rockefeller Capital Management
199
Rockefeller Capital Management
New York
$72.8M
DP
200
Dundas Partners
United Kingdom
$72M