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Amphenol

2,113 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, 808 reducing their positions, and 146 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

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
2,113
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
85
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$604M
Puts
$1.1B
Net Calls
Net Calls Change

Top Buyers

1 +$2.1B
2 +$1.64B
3 +$1.43B
4
N
Nuveen
North Carolina
+$749M
5
SG Americas Securities
SG Americas Securities
New York
+$437M

Top Sellers

1 -$10.7B
2 -$1.65B
3 -$1.34B
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$977M
5
BlackRock
BlackRock
New York
-$587M
Name Holding Trade Value Shares
Change
Change in
Stake
Mariner
176
Mariner
Kansas
$85.3M
CG
177
Carmignac Gestion
France
$84.6M
SCM
178
Snyder Capital Management
California
$84.3M
FAF
179
Fjarde Ap-fonden
Sweden
$83.9M
State of Wisconsin Investment Board
180
State of Wisconsin Investment Board
Wisconsin
$83.3M
T. Rowe Price Investment Management
181
T. Rowe Price Investment Management
Maryland
$82.8M
Rockefeller Capital Management
182
Rockefeller Capital Management
New York
$81.7M
Creative Planning
183
Creative Planning
Kansas
$81M
CTB
184
Country Trust Bank
Illinois
$79.6M
Pictet Asset Management
185
Pictet Asset Management
Switzerland
$79.5M
PCH
186
Polar Capital Holdings
United Kingdom
$79.1M
Macquarie Group
187
Macquarie Group
Australia
$78M
Tudor Investment Corp
188
Tudor Investment Corp
Connecticut
$77.6M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
189
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$77.6M
Chevy Chase Trust
190
Chevy Chase Trust
Maryland
$77.2M
US Bancorp
191
US Bancorp
Minnesota
$77M
BMSSC
192
B. Metzler seel. Sohn & Co
Germany
$76.2M
Fiera Capital (Canada)
193
Fiera Capital (Canada)
Quebec, Canada
$74.8M
Thrivent Financial for Lutherans
194
Thrivent Financial for Lutherans
Minnesota
$74.7M
Asset Management One
195
Asset Management One
Japan
$73.3M
Renaissance Technologies
196
Renaissance Technologies
New York
$72.5M
VIA
197
Vanguard Investments Australia
Australia
$72.2M
SO
198
STRS Ohio
Ohio
$71.8M
WP
199
Woodline Partners
California
$71.5M
ZIG
200
Zurich Insurance Group
Switzerland
$71.1M