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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 %
CAWM
1351
Capital A Wealth Management
Pennsylvania
$6.17K -$459 -7 -7%
TVWM
1352
Tower View Wealth Management
Wisconsin
$6.05K – – –
PCFFS
1353
Pacific Center for Financial Services
California
$6.04K – – –
GP
1354
Greenline Partners
New York
$6.03K +$6.03K +92 New
PCM
1355
Penserra Capital Management
California
$6K -$180K -3,054 -97%
HWP
1356
Highline Wealth Partners
California
$5.97K -$1.9K -29 -24%
BLC
1357
Brown, Lisle/Cummings
Rhode Island
$5.9K +$5.9K +90 New
T
1358
Transce3nd
Texas
$5.58K -$1.18K -18 -17%
RAM
1359
Riggs Asset Management
Pennsylvania
$5.51K -$5.38K -82 -49%
A
1360
AlphaQuest
New York
$5.44K -$1.47M -22,403 -100%
FMP
1361
Financial Management Professionals
Texas
$5.38K -$3.74K -57 -41%
ECM
1362
Estabrook Capital Management
New York
$5.25K +$1.31K +20 +33%
DPW
1363
DiNuzzo Private Wealth
Pennsylvania
$4.53K -$262 -4 -5%
PWA
1364
Principia Wealth Advisory
Texas
$4.5K +$2.38K +36 +113%
NCM
1365
Northwest Capital Management
Oregon
$4.46K – – –
JGIA
1366
Jackson Grant Investment Advisers
Connecticut
$4.2K – – –
ADL
1367
Asset Dedication LLC
California
$4.13K +$2.36K +36 +133%
WIM
1368
Westside Investment Management
California
$3.96K – – –
BA
1369
Bellwether Advisors
Nebraska
$3.94K – – –
NRG
1370
Nemes Rush Group
Michigan
$3.41K – – –
SIC
1371
SJS Investment Consulting
Ohio
$3.41K – – –
NSIM
1372
North Star Investment Management
Illinois
$3.15K – – –
WCM
1373
WealthTrak Capital Management
Virginia
$2.95K -$328 -5 -10%
BC
1374
Barrett & Company
Rhode Island
$2.76K – – –
HHGA
1375
Halbert Hargrove Global Advisors
California
$2.36K +$2.36K +36 New
53 54
55
56 57