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Amphenol

1,826 hedge funds and large institutions have $141B invested in Amphenol in 2025 Q3 according to their latest regulatory filings, with 283 funds opening new positions, 721 increasing their positions, 621 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

233% more first-time investments, than exits

New positions opened: 283 | Existing positions closed: 85

42% more call options, than puts

Call options by funds: $764M | Put options by funds: $539M

23% more capital invested

Capital invested by funds: $115B → $141B (+$26.4B)

19% more funds holding in top 10

Funds holding in top 10: 7893 (+15)

16% more repeat investments, than reductions

Existing positions increased: 721 | Existing positions reduced: 621

11% more funds holding

Funds holding: 1,6461,826 (+180)

2.83% less ownership

Funds ownership: 96.18%93.35% (-2.8%)

Holders
1,826
Holders Change
+180
Holders Change %
+10.94%
% of All Funds
23.97%
Holding in Top 10
93
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+19.23%
% of All Funds
1.22%
New
283
Increased
721
Reduced
621
Closed
85
Calls
$764M
Puts
$539M
Net Calls
+$225M
Net Calls Change
+$60.9M
Name Holding Trade Value Shares
Change
Change in
Stake
PF
1851
Phoenix Financial
Israel
-$1.7M -17,265 Closed
PC
1852
Promus Capital
Illinois
-$1.61M -16,266 Closed
KI
1853
Keystone Investors
Singapore
-$1.51M -15,295 Closed
RL
1854
Retireful LLC
Michigan
-$1.45M -14,709 Closed
PMAM
1855
Picton Mahoney Asset Management
Ontario, Canada
-$1.4M -14,146 Closed
FIA
1856
FNY Investment Advisers
New York
-$1.33M -13,465 Closed
SCM
1857
Stevens Capital Management
Pennsylvania
-$1.32M -13,398 Closed
IC
1858
Iconiq Capital
California
-$1.2M -12,183 Closed
Walleye Capital
1859
Walleye Capital
New York
-$1.22M -11,140 Closed
QCM
1860
Qsemble Capital Management
New York
-$1.08M -10,984 Closed
I
1861
InceptionR
California
-$910K -9,220 Closed
SRL
1862
Scientech Research LLC
New Jersey
-$901K -9,123 Closed
MF
1863
Magnetar Financial
Illinois
-$892K -9,037 Closed
FIM
1864
Freedom Investment Management
Connecticut
-$812K -8,226 Closed
BPC
1865
Bryce Point Capital
New York
-$777K -7,864 Closed
JGUA
1866
John G. Ullman & Associates
New York
-$570K -5,775 Closed
FAIM
1867
Financial Advocates Investment Management
Washington
-$546K -5,526 Closed
SCM
1868
SCS Capital Management
Massachusetts
-$545K -5,523 Closed
AGM
1869
Alpine Global Management
New York
-$530K -5,372 Closed
UAM
1870
UAS Asset Management
New York
-$494K -5,000 Closed
HWP
1871
Hibernia Wealth Partners
Louisiana
-$422K -4,270 Closed
EFI
1872
EHP Funds Inc
Canada
-$395K -4,000 Closed
WMWM
1873
Whitaker-Myers Wealth Managers
Ohio
-$375K -3,795 Closed
SIG
1874
Sargent Investment Group
Maryland
-$415K -3,790 Closed
VI
1875
Versor Investments
New York
-$369K -3,733 Closed