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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 %
CTI
251
Community Trust & Investment
Kentucky
$18.2M +$37.1K +566 +0.2%
COPPSERS
252
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$18.2M +$1.35M +20,610 +8%
Mariner
253
Mariner
Kansas
$18M +$3.25M +49,546 +22%
CNAM
254
Campbell Newman Asset Management
Wisconsin
$17.8M +$17.8M +271,076 New
TG
255
TCW Group
California
$17.5M -$460K -7,010 -3%
NSAM
256
North Star Asset Management
Wisconsin
$17.5M +$103K +1,577 +0.6%
TI
257
Trexquant Investment
Connecticut
$17.4M +$6.98M +106,469 +67%
JSA
258
Jacobson & Schmitt Advisors
Wisconsin
$17.3M +$251K +3,831 +1%
FMC
259
First Merchants Corp
Indiana
$17.2M +$35.9K +547 +0.2%
HIC
260
Harvey Investment Company
Kentucky
$17.1M -$202K -3,080 -1%
SMDAM
261
Sumitomo Mitsui DS Asset Management
Japan
$17.1M +$1.6M +24,397 +10%
CC
262
Cornerstone Capital
California
$17.1M +$14.3M +217,487 +506%
Retirement Systems of Alabama
263
Retirement Systems of Alabama
Alabama
$17.1M -$51K -778 -0.3%
WT
264
Whittier Trust
California
$17M +$201K +3,061 +1%
AB
265
Amalgamated Bank
New York
$16.6M +$222K +3,387 +1%
BNP Paribas Asset Management
266
BNP Paribas Asset Management
France
$16.6M +$6.05M +92,273 +57%
FLII
267
First Long Island Investors
New York
$16.5M +$16.1M +245,014 +4,121%
Skandinaviska Enskilda Banken (SEB)
268
Skandinaviska Enskilda Banken (SEB)
Sweden
$16.4M -$2.94M -44,800 -15%
Temasek Holdings
269
Temasek Holdings
Singapore
$16.4M +$15M +228,699 +1,076%
UIM
270
USS Investment Management
United Kingdom
$16.3M +$320K +4,872 +2%
FFA
271
First Foundation Advisors
California
$16.3M -$1.44M -22,001 -8%
Truist Financial
272
Truist Financial
North Carolina
$16.2M +$3.79M +57,844 +31%
UM
273
UniSuper Management
Australia
$16.1M +$1.02M +15,480 +7%
Wealth Enhancement Advisory Services
274
Wealth Enhancement Advisory Services
Minnesota
$16M +$2.8M +42,669 +21%
OAM
275
Oppenheimer Asset Management
New York
$16M +$3.83M +58,392 +32%
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