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Amphenol

2,094 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, 857 increasing their positions, 798 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: 9884 (-14)

38% less capital invested

Capital invested by funds: $233B → $145B (-$88.3B)

45% less call options, than puts

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

Holders
2,094
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
CCM
201
Compass Capital Management
Minnesota
$68.3M
Ohio Public Employees Retirement System (OPERS)
202
Ohio Public Employees Retirement System (OPERS)
Ohio
$67.4M
JFG
203
Jefferies Financial Group
New York
$67.1M
DP
204
Dundas Partners
United Kingdom
$66.7M
Corient Private Wealth
205
Corient Private Wealth
Florida
$66.4M
SAM
206
Storebrand Asset Management
Norway
$66.2M
Treasurer of the State of North Carolina
207
Treasurer of the State of North Carolina
North Carolina
$66M
ZIM
208
Zacks Investment Management
Illinois
$65.9M
Teacher Retirement System of Texas
209
Teacher Retirement System of Texas
Texas
$65.8M
CII
210
Capital International Inc
California
$65.1M
Credit Agricole
211
Credit Agricole
France
$64.6M
RMCM
212
Reynders McVeigh Capital Management
Massachusetts
$64.4M
FDCP
213
Foster Dykema Cabot & Partners
Massachusetts
$63.5M
JSC
214
J. Stern & Co
United Kingdom
$63.1M
SLAM
215
Swiss Life Asset Management
$63M
Nisa Investment Advisors
216
Nisa Investment Advisors
Missouri
$62.5M
Nomura Asset Management
217
Nomura Asset Management
Japan
$62M
WT
218
Whittier Trust
California
$61.3M
HCM
219
Howland Capital Management
Massachusetts
$60.1M
GAM
220
Gotham Asset Management
New York
$60M
MNA
221
Manning & Napier Advisors
New York
$60M
MSV
222
MN Services Vermogensbeheer
Netherlands
$59.4M
BGCP
223
Bristol Gate Capital Partners
Ontario, Canada
$58.5M
IC
224
IEQ Capital
California
$57.9M
KK
225
KLP Kapitalforvaltning
Norway
$57.9M