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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 %
AAP
376
Aristotle Atlantic Partners
Florida
$8.2M -$1.58M -24,037 -16%
LF
377
Longbow Finance
Switzerland
$8.17M +$1.67M +25,514 +26%
SPIA
378
Steward Partners Investment Advisory
New York
$7.99M +$4.47M +68,226 +127%
BBVA
379
Banco Bilbao Vizcaya Argentaria
Spain
$7.99M +$572K +8,713 +8%
MML Investors Services
380
MML Investors Services
Massachusetts
$7.94M +$609K +9,286 +8%
ICP
381
Ironvine Capital Partners
Nebraska
$7.89M +$7.89M +120,363 New
HFS
382
Hantz Financial Services
Michigan
$7.88M -$114K -1,739 -1%
UOC
383
UBS O'Connor
Illinois
$7.87M +$2.56M +39,040 +48%
PAMP
384
Polar Asset Management Partners
Ontario, Canada
$7.86M -$15.3M -232,978 -66%
NIM
385
NEOS Investment Management
Connecticut
$7.85M +$2.69M +40,967 +52%
Fifth Third Bancorp
386
Fifth Third Bancorp
Ohio
$7.8M +$1.45M +22,134 +23%
VCP
387
Varenne Capital Partners
France
$7.71M -$17.1M -261,090 -69%
KCM
388
Kornitzer Capital Management
Kansas
$7.67M – – –
FDP
389
Financiere des Professionnels
Quebec, Canada
$7.61M -$221K -3,371 -3%
RIM
390
Rakuten Investment Management
Japan
$7.36M +$7.36M +110,543 New
ERWM
391
Elk River Wealth Management
Colorado
$7.36M -$5.52K -84 -0.1%
GAAM
392
Guinness Atkinson Asset Management
California
$7.23M +$279K +4,257 +4%
DCM
393
Dupont Capital Management
Delaware
$7.22M -$1.44M -21,982 -17%
Northwestern Mutual Wealth Management
394
Northwestern Mutual Wealth Management
Wisconsin
$7.17M +$1.86M +28,428 +35%
WTC
395
WhitTier Trust Company
Nevada
$7.15M +$187K +2,858 +3%
VCM
396
Voleon Capital Management
California
$7.14M +$3.03M +46,218 +74%
SSA
397
Schonfeld Strategic Advisors
New York
$7.1M -$69.1M -1,053,270 -91%
EI
398
Ethic Inc
New York
$7.07M +$655K +9,921 +10%
CGH
399
Crossmark Global Holdings
Texas
$7M +$247K +3,764 +4%
Verition Fund Management
400
Verition Fund Management
Connecticut
$6.98M -$2.14M -32,621 -23%
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