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Amphenol

1,819 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 282 funds opening new positions, 716 increasing their positions, 619 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

16% more repeat investments, than reductions

Existing positions increased: 716 | Existing positions reduced: 619

11% more funds holding

Funds holding: 1,6411,819 (+178)

2.89% less ownership

Funds ownership: 96.12%93.23% (-2.9%)

Holders
1,819
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
92
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$764M
Puts
$539M
Net Calls
Net Calls Change

Top Buyers

1 +$1.61B
2 +$880M
3 +$698M
4
BlackRock
BlackRock
New York
+$690M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
+$486M

Top Sellers

1 -$1.68B
2 -$1.04B
3 -$971M
4
Bank of New York Mellon
Bank of New York Mellon
New York
-$469M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$265M
Name Holding Trade Value Shares
Change
Change in
Stake
NB
1151
Nicolet Bankshares
Wisconsin
$711K
CIA
1152
Choate Investment Advisors
Massachusetts
$710K
CFP
1153
Catalyst Financial Partners
Massachusetts
$708K
LAM
1154
L2 Asset Management
Massachusetts
$707K
BC
1155
Bowman & Company
Wisconsin
$707K
WPW
1156
Waldron Private Wealth
Pennsylvania
$696K
NPF
1157
Norris Perne & French
Michigan
$696K
GIM
1158
Generali Investments Management
Slovenia
$696K
SFG
1159
SevenBridge Financial Group
Pennsylvania
$694K
PFPT
1160
Pinnacle Financial Partners (Tennessee)
Tennessee
$690K
WC
1161
Waterloo Capital
Texas
$688K
RT
1162
Rockland Trust
Massachusetts
$688K
SHJ
1163
Sharkey, Howes & Javer
Colorado
$687K
AWP
1164
Ascent Wealth Partners
New York
$685K
RPGK
1165
Retirement Planning Group (Kansas)
Kansas
$682K
OAJ
1166
Ogorek Anthony Joseph
New York
$679K
AFP
1167
Ausdal Financial Partners
Iowa
$672K
PAMP
1168
Polar Asset Management Partners
Ontario, Canada
$670K
PCG
1169
Prosperity Consulting Group
Maryland
$666K
WG
1170
Winton Group
United Kingdom
$664K
KFC
1171
Klingenstein Fields & Co
New York
$659K
TWM
1172
Tradition Wealth Management
Minnesota
$656K
CIA
1173
Caerus Investment Advisors
Texas
$655K
TCA
1174
Tortoise Capital Advisors
Kansas
$653K
BAM
1175
Blueshift Asset Management
New Jersey
$653K