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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 %
CIM
226
Confluence Investment Management
Missouri
$22.9M -$814K -12,405 -3%
NCM
227
Noesis Capital Mangement
Florida
$22.9M +$447K +6,813 +2%
ProShare Advisors
228
ProShare Advisors
Maryland
$22.8M -$2.04M -31,085 -8%
State of Tennessee, Department of Treasury
229
State of Tennessee, Department of Treasury
Tennessee
$22.7M -$2.11M -32,211 -9%
MIM
230
MetLife Investment Management
New Jersey
$22.6M -$330K -5,032 -1%
SSA
231
South Street Advisors
New York
$22.5M -$549K -8,369 -2%
ACIM
232
Azimuth Capital Investment Management
Michigan
$22.3M -$14M -214,180 -39%
FAF
233
Fjarde Ap-fonden
Sweden
$21.9M +$3.73M +56,800 +21%
CF
234
Corebridge Financial
Texas
$21.8M -$888K -13,537 -4%
Aviva
235
Aviva
United Kingdom
$21.8M +$2.83M +43,105 +15%
MIM
236
Manitou Investment Management
Ontario, Canada
$21.8M +$6.52M +99,398 +43%
UB
237
UMB Bank
Missouri
$21.7M +$160K +2,440 +0.7%
Rafferty Asset Management
238
Rafferty Asset Management
New York
$21.6M -$5.51M -83,941 -20%
TAM
239
Taurus Asset Management
New York
$21.5M -$315K -4,795 -1%
GI
240
Gradient Investments
Minnesota
$21.4M +$4.82M +73,457 +29%
SI
241
Stephens Inc
Arkansas
$20.9M +$1.35M +20,633 +7%
Daiwa Securities Group
242
Daiwa Securities Group
Japan
$20.9M +$1.82M +27,708 +10%
CAM
243
Congress Asset Management
Massachusetts
$20.1M -$57K -869 -0.3%
Calamos Advisors
244
Calamos Advisors
Illinois
$20.1M +$224K +3,415 +1%
Janney Montgomery Scott
245
Janney Montgomery Scott
Pennsylvania
$19.4M +$253K +3,858 +1%
FRAF
246
Första AP-fonden
Sweden
$19.3M -$2.01M -30,600 -9%
AIM
247
Achmea Investment Management
Netherlands
$19.3M -$1.95M -29,740 -9%
NAM
248
NorthCrest Asset Manangement
Minnesota
$18.7M +$623K +9,504 +3%
1CP
249
11 Capital Partners
Connecticut
$18.6M +$5.1M +77,824 +38%
CNB
250
Czech National Bank
Czech Republic
$18.2M +$1.1M +16,765 +6%
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