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Amphenol
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Overview Fund Activity

1,410 hedge funds and large institutions have $74.1B invested in Amphenol in 2025 Q1 according to their latest regulatory filings, with 184 funds opening new positions, 593 increasing their positions, 463 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,410
Holders Change
+22
Holders Change %
+1.59%
% of All Funds
19.16%
Holding in Top 10
46
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-8%
% of All Funds
0.62%
New
184
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 %
WF
1476
Welch & Forbes
Massachusetts
– -$760K -10,944 Closed
NP
1477
Ninepoint Partners
Ontario, Canada
– -$756K -10,881 Closed
CIP
1478
Convergence Investment Partners
Florida
– -$754K -10,852 Closed
FCM
1479
Fieldview Capital Management
Michigan
– -$724K -10,431 Closed
WA
1480
Waterford Advisors
New York
– -$714K -10,284 Closed
FI
1481
Fosun International
China
– -$653K -9,400 Closed
HT
1482
Headlands Technologies
Illinois
– -$629K -9,050 Closed
WAM
1483
Wolverine Asset Management
Illinois
– -$625K -9,000 Closed
WA
1484
WESPAC Advisors
California
– -$542K -7,797 Closed
BC
1485
Bridgefront Capital
Texas
– -$528K -7,609 Closed
CC
1486
Corton Capital
Ontario, Canada
– -$507K -7,297 Closed
PAM
1487
Pinpoint Asset Management
Hong Kong
– -$486K -7,000 Closed
IFU
1488
iSAM Funds (UK)
United Kingdom
– -$456K -6,565 Closed
SB
1489
Strategic Blueprint
Georgia
– -$440K -6,341 Closed
CRI
1490
Colonial River Investments
Virginia
– -$369K -5,313 Closed
MAWA
1491
Moss Adams Wealth Advisors
Washington
– -$362K -5,204 Closed
HC
1492
Hara Capital
Washington
– -$361K -5,200 Closed
CC
1493
Courier Capital
New York
– -$350K -5,040 Closed
Tudor Investment Corp
1494
Tudor Investment Corp
Connecticut
– -$342K -4,931 Closed
IWA
1495
IBEX Wealth Advisors
New Jersey
– -$337K -4,855 Closed
DTL
1496
Dynamic Technology Lab
Singapore
– -$327K -4,709 Closed
AC
1497
ASB Consultores
Florida
– -$322K -4,634 Closed
CCG
1498
Catalina Capital Group
California
– -$319K -4,600 Closed
BCM
1499
Bridgeway Capital Management
Texas
– -$306K -4,400 Closed
Optiver Holding
1500
Optiver Holding
Netherlands
– -$297K -4,281 Closed
58 59
60
61 62