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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 %
MAS
1401
MPWM Advisory Solutions
Georgia
$787 – – –
DWM
1402
Dogwood Wealth Management
Kansas
$590 +$590 +9 New
RJA
1403
Ross\Johnson & Associates
Minnesota
$459 +$459 +7 New
AP
1404
Aspect Partners
Virginia
$394 – – –
HIA
1405
HFM Investment Advisors
New Jersey
$328 +$328 +5 New
CAC
1406
Core Alternative Capital
Georgia
$262 -$30K -458 -99%
HNW
1407
High Note Wealth
Minnesota
$262 – – –
BOJHT
1408
Bank of Jackson Hole Trust
Wyoming
$200 – – –
CIAM
1409
Caitong International Asset Management
Hong Kong
$197 -$985 -15 -83%
LB
1410
Legacy Bridge
Iowa
$169 +$169 +3 New
Norges Bank
1411
Norges Bank
Norway
– -$1.38B -19,853,043 Closed
TCIM
1412
TOMS Capital Investment Management
New York
– -$104M -1,492,400 Closed
DCM
1413
Dorsal Capital Management
California
– -$90.3M -1,300,000 Closed
Point72 Asset Management
1414
Point72 Asset Management
Connecticut
– -$79.9M -1,150,490 Closed
CC
1415
Cartenna Capital
Connecticut
– -$64.9M -934,641 Closed
SFFS
1416
Stonehage Fleming Financial Services
Jersey
– -$53M -763,566 Closed
Jacobs Levy Equity Management
1417
Jacobs Levy Equity Management
New Jersey
– -$25.8M -371,308 Closed
JF
1418
Jump Financial
Illinois
– -$25.3M -364,485 Closed
CSS
1419
Cubist Systematic Strategies
Connecticut
– -$24.3M -349,244 Closed
Marshall Wace
1420
Marshall Wace
United Kingdom
– -$23.2M -333,518 Closed
PHK
1421
Point72 Hong Kong
Hong Kong
– -$16.1M -232,279 Closed
JCM
1422
Junto Capital Management
New York
– -$15.6M -225,061 Closed
RGC
1423
Regents Gate Capital
United Kingdom
– -$14M -201,177 Closed
GJCM
1424
Grand Jean Capital Management
California
– -$12.7M -183,493 Closed
CM
1425
Crestline Management
Texas
– -$10.8M -156,210 Closed
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