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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 %
SWM
351
Segment Wealth Management
Texas
$9.96M +$35.2K +536 +0.4%
ACM
352
Ayrshire Capital Management
Connecticut
$9.73M +$194K +2,953 +2%
SAM
353
Shell Asset Management
Netherlands
$9.7M -$361K -5,500 -4%
WCF
354
West Coast Financial
California
$9.65M -$6.48M -98,851 -40%
IG
355
ING Group
Netherlands
$9.62M -$10.3M -157,240 -52%
CWM
356
CIBC World Markets
New York
$9.57M -$27M -412,344 -74%
BCI
357
Brinker Capital Investments
Pennsylvania
$9.48M -$849K -12,938 -8%
OPS
358
Orion Portfolio Solutions
Nebraska
$9.48M -$849K -12,938 -8%
Wealthfront Advisers
359
Wealthfront Advisers
California
$9.43M +$665K +10,138 +8%
II
360
Inspire Investing
Idaho
$9.38M -$750K -11,433 -7%
SW
361
SlateStone Wealth
Florida
$9.38M – – –
Mirae Asset Global Investments
362
Mirae Asset Global Investments
South Korea
$9.34M +$3.26M +68,096 +54%
SOADOR
363
State of Alaska Department of Revenue
Alaska
$9.3M +$288K +4,395 +3%
FLPIM
364
F.L. Putnam Investment Management
Massachusetts
$9.23M +$531K +8,092 +6%
BAAM
365
Baker Avenue Asset Management
California
$9.2M +$66.2K +1,010 +0.7%
TCM
366
Thames Capital Management
New Jersey
$9.2M – – –
CS
367
Candriam SCA
Luxembourg
$9.19M -$42.2M -643,591 -82%
SCM
368
Shelton Capital Management
Colorado
$9.14M +$8.67M +132,124 +1,834%
WA
369
Watchtower Advisors
Connecticut
$9.1M -$1.4M -21,300 -13%
YIA
370
YHB Investment Advisors
Connecticut
$9.04M -$186K -2,841 -2%
TC
371
TownSquare Capital
Utah
$9.04M +$439K +6,688 +5%
RPI
372
Railway Pension Investments
United Kingdom
$8.77M – – –
Acadian Asset Management
373
Acadian Asset Management
Massachusetts
$8.47M -$11M -167,068 -56%
HR
374
Howe & Rusling
New York
$8.28M +$17.5K +267 +0.2%
SG Americas Securities
375
SG Americas Securities
New York
$8.22M +$6.65M +101,365 +422%
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