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Amphenol
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Overview Fund Activity

1,409 hedge funds and large institutions have $74.1B invested in Amphenol in 2025 Q1 according to their latest regulatory filings, with 183 funds opening new positions, 593 increasing their positions, 463 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,409
Holders Change
+21
Holders Change %
+1.51%
% of All Funds
19.14%
Holding in Top 10
46
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-8%
% of All Funds
0.62%
New
183
Increased
593
Reduced
463
Closed
137
Calls
$259M
Puts
$179M
Net Calls
+$79.2M
Net Calls Change
+$60.6M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$728M
2
UBS AM
UBS AM
Illinois
+$497M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$338M
4
Franklin Resources
Franklin Resources
California
+$269M
5
BlackRock
BlackRock
New York
+$216M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$1.1B
2
Citadel Advisors
Citadel Advisors
Florida
-$275M
3
Winslow Capital Management
Winslow Capital Management
Minnesota
-$244M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$175M
5
Mawer Investment Management
Mawer Investment Management
Alberta, Canada
-$163M
Name Holding Trade Value Shares
Change 		Shares
Change %
BHCM
1451
Brevan Howard Capital Management
Jersey
– -$1.97M -28,407 Closed
ECM
1452
ExodusPoint Capital Management
New York
– -$1.83M -26,345 Closed
OTL
1453
Oak Thistle LLC
New York
– -$1.55M -22,328 Closed
AA
1454
ABC Arbitrage
France
– -$1.5M -21,559 Closed
IIA
1455
IPG Investment Advisors
California
– -$1.49M -21,383 Closed
PGCM
1456
Prescott Group Capital Management
Oklahoma
– -$1.39M -20,000 Closed
LIP
1457
Lighthouse Investment Partners
Florida
– -$1.32M -19,000 Closed
AI
1458
AXS Investments
New York
– -$1.24M -17,900 Closed
I
1459
InceptionR
California
– -$1.24M -17,783 Closed
VEA
1460
Virtus ETF Advisers
New York
– -$1.16M -16,758 Closed
HCM
1461
Highview Capital Management
Illinois
– -$1.15M -16,565 Closed
SPA
1462
Sherbrooke Park Advisers
New York
– -$1.11M -16,042 Closed
MIM
1463
Morningstar Investment Management
Illinois
– -$1.06M -15,286 Closed
CFGS
1464
Concourse Financial Group Securities
Alabama
– -$1.18M -15,179 Closed
MAM
1465
Morse Asset Management
Connecticut
– -$1.03M -14,895 Closed
VF
1466
Virtu Financial
New York
– -$1.02M -14,643 Closed
MF
1467
Magnetar Financial
Illinois
– -$986K -14,191 Closed
EFI
1468
EHP Funds Inc
Canada
– -$903K -13,000 Closed
MMEA
1469
Main Management ETF Advisors
California
– -$890K -12,816 Closed
CCIA
1470
Campbell & Co Investment Adviser
Maryland
– -$829K -11,937 Closed
ADIM
1471
Alpha DNA Investment Management
Maryland
– -$811K -11,674 Closed
Wolverine Trading
1472
Wolverine Trading
Illinois
– -$810K -11,661 Closed
BMCM
1473
Bryn Mawr Capital Management
Pennsylvania
– -$793K -11,420 Closed
TWP
1474
Tyche Wealth Partners
Texas
– -$784K -11,285 Closed
WF
1475
Welch & Forbes
Massachusetts
– -$760K -10,944 Closed
57 58
59
60 61