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Amphenol

2,100 hedge funds and large institutions have $145B invested in Amphenol in 2026 Q1 according to their latest regulatory filings, with 250 funds opening new positions, 860 increasing their positions, 800 reducing their positions, and 148 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: 9884 (-14)

38% less capital invested

Capital invested by funds: $233B → $145B (-$88.1B)

45% less call options, than puts

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

Holders
2,100
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
84
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
MIF
201
Mediolanum International Funds
Ireland
$68.4M
CCM
202
Compass Capital Management
Minnesota
$68.3M
Ohio Public Employees Retirement System (OPERS)
203
Ohio Public Employees Retirement System (OPERS)
Ohio
$67.4M
JFG
204
Jefferies Financial Group
New York
$67.1M
DP
205
Dundas Partners
United Kingdom
$66.7M
Corient Private Wealth
206
Corient Private Wealth
Florida
$66.4M
SAM
207
Storebrand Asset Management
Norway
$66.2M
Treasurer of the State of North Carolina
208
Treasurer of the State of North Carolina
North Carolina
$66M
ZIM
209
Zacks Investment Management
Illinois
$65.9M
Teacher Retirement System of Texas
210
Teacher Retirement System of Texas
Texas
$65.8M
CII
211
Capital International Inc
California
$65.1M
Credit Agricole
212
Credit Agricole
France
$64.6M
RMCM
213
Reynders McVeigh Capital Management
Massachusetts
$64.4M
FDCP
214
Foster Dykema Cabot & Partners
Massachusetts
$63.5M
JSC
215
J. Stern & Co
United Kingdom
$63.1M
SLAM
216
Swiss Life Asset Management
$63M
Nisa Investment Advisors
217
Nisa Investment Advisors
Missouri
$62.5M
Nomura Asset Management
218
Nomura Asset Management
Japan
$62M
WT
219
Whittier Trust
California
$61.3M
HCM
220
Howland Capital Management
Massachusetts
$60.1M
GAM
221
Gotham Asset Management
New York
$60M
MNA
222
Manning & Napier Advisors
New York
$60M
MSV
223
MN Services Vermogensbeheer
Netherlands
$59.4M
BGCP
224
Bristol Gate Capital Partners
Ontario, Canada
$58.5M
IC
225
IEQ Capital
California
$57.9M