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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
IC
226
IEQ Capital
California
$57.9M
KK
227
KLP Kapitalforvaltning
Norway
$57.9M
Fifth Third Bancorp
228
Fifth Third Bancorp
Ohio
$57.5M
Robeco Institutional Asset Management
229
Robeco Institutional Asset Management
Netherlands
$57.2M
RMA
230
Roffman Miller Associates
Pennsylvania
$56.3M
PCM
231
Palisade Capital Management
New Jersey
$56.2M
DnB Asset Management
232
DnB Asset Management
Norway
$54.5M
GAM
233
Guinness Asset Management
United Kingdom
$54M
CBUSF
234
Construction & Building Unions Superannuation Fund
Australia
$54M
CAG
235
Crestwood Advisors Group
Massachusetts
$53.6M
WCM
236
Wedge Capital Management
North Carolina
$53.4M
State of New Jersey Common Pension Fund D
237
State of New Jersey Common Pension Fund D
New Jersey
$53.2M
FMI
238
Factory Mutual Insurance
Massachusetts
$53.1M
State of Tennessee, Department of Treasury
239
State of Tennessee, Department of Treasury
Tennessee
$51.9M
Toronto Dominion Bank
240
Toronto Dominion Bank
Ontario, Canada
$51.6M
MTC
241
McDaniel Terry & Co
Texas
$50.9M
AIM
242
Avity Investment Management
Connecticut
$49.9M
ACM
243
Alta Capital Management
Utah
$49.8M
AHT
244
Amanah Holdings Trust
$48.4M
SCP
245
Sandhill Capital Partners
New York
$47.9M
CNAM
246
Campbell Newman Asset Management
Wisconsin
$47.2M
MPIA
247
Mountain Pacific Investment Advisers
Idaho
$47M
SOMRS
248
State of Michigan Retirement System
Michigan
$46.7M
CIBC Asset Management
249
CIBC Asset Management
Ontario, Canada
$46.7M
Brown Advisory
250
Brown Advisory
Maryland
$46.5M