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Amphenol

2,114 hedge funds and large institutions have $145B invested in Amphenol in 2026 Q1 according to their latest regulatory filings, with 252 funds opening new positions, 862 increasing their positions, 809 reducing their positions, and 146 closing their positions.

New
Increased
Maintained
Reduced
Closed

73% more first-time investments, than exits

New positions opened: 252 | Existing positions closed: 146

3% more funds holding

Funds holding: 2,0512,114 (+63)

7% more repeat investments, than reductions

Existing positions increased: 862 | Existing positions reduced: 809

7.12% less ownership

Funds ownership: 100.94%93.83% (-7.1%)

14% less funds holding in top 10

Funds holding in top 10: 9985 (-14)

38% less capital invested

Capital invested by funds: $233B → $145B (-$88B)

45% less call options, than puts

Call options by funds: $604M | Put options by funds: $1.1B

Holders
2,114
Holders Change
+63
Holders Change %
+3.07%
% of All Funds
26.03%
Holding in Top 10
85
Holding in Top 10 Change
-14
Holding in Top 10 Change %
-14.14%
% of All Funds
1.05%
New
252
Increased
862
Reduced
809
Closed
146
Calls
$604M
Puts
$1.1B
Net Calls
-$501M
Net Calls Change
-$391M
Name Holding Trade Value Shares
Change
Change in
Stake
NAMI
126
Nomura Asset Management International
Pennsylvania
$142M -$5.42M -38,534 -3%
Jane Street
127
Jane Street
New York
$139M +$135M +960,297 +678%
BNP Paribas Financial Markets
128
BNP Paribas Financial Markets
France
$137M -$43.4M -308,164 -22%
CAM
129
Close Asset Management
United Kingdom
$137M +$384K +2,729 +0.3%
William Blair Investment Management
130
William Blair Investment Management
Illinois
$136M +$152M +1,077,434 New
State Board of Administration of Florida Retirement System
131
State Board of Administration of Florida Retirement System
Florida
$134M +$46.5K +330 +0%
Nordea Investment Management
132
Nordea Investment Management
Sweden
$133M +$45M +319,351 +41%
DekaBank Deutsche Girozentrale
133
DekaBank Deutsche Girozentrale
Germany
$132M
Citadel Advisors
134
Citadel Advisors
Florida
$131M +$58.1M +412,745 +66%
Aviva
135
Aviva
United Kingdom
$130M +$4.39M +31,204 +3%
JIC
136
Johnson Investment Counsel
Ohio
$127M -$6.09M -43,289 -4%
APG Asset Management
137
APG Asset Management
Netherlands
$123M -$43.1M -306,500 -21%
CAM
138
Congress Asset Management
Massachusetts
$122M +$666K +4,731 +0.5%
ACP
139
Atalan Capital Partners
New York
$122M -$58.7M -417,050 -30%
New York State Teachers Retirement System (NYSTRS)
140
New York State Teachers Retirement System (NYSTRS)
New York
$121M +$1.57M +11,131 +1%
MBI
141
Montrusco Bolton Investments
Quebec, Canada
$118M +$132M +935,551 New
CPC
142
Cookson Peirce & Co
Pennsylvania
$117M -$3.64M -25,870 -3%
Korea Investment Corp
143
Korea Investment Corp
South Korea
$117M +$4.9M +34,808 +4%
HL
144
Harding Loevner
New Jersey
$113M -$8.68M -61,645 -6%
BFS
145
Bradley Foster & Sargent
Connecticut
$112M -$17.1M -121,593 -12%
BA
146
Bridgewater Associates
Connecticut
$109M +$9.1M +64,684 +8%
SFFS
147
Stonehage Fleming Financial Services
Jersey
$109M -$74.7M -530,366 -38%
Prudential Financial
148
Prudential Financial
New Jersey
$107M -$342K -2,427 -0.3%
RPI
149
Railway Pension Investments
United Kingdom
$107M -$12.5M -88,500 -9%
KeyBank National Association
150
KeyBank National Association
Ohio
$106M -$4.93M -35,012 -4%