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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 %
KIA
426
Knollwood Investment Advisory
Maryland
$6.01M – – –
AI
427
Atria Investments
North Carolina
$5.91M -$15.7K -239 -0.3%
PIA
428
Petredis Investment Advisors
Pennsylvania
$5.91M +$82.3K +1,255 +1%
JG
429
Jain Global
New York
$5.89M -$393K -5,994 -6%
LJHT
430
Laurie J. Hall Trustee
$5.89M -$853 -13 -0%
MA
431
Montag & Associates
Georgia
$5.84M +$1.19M +18,099 +26%
Lido Advisors
432
Lido Advisors
California
$5.8M +$3.73M +56,880 +181%
BHWA
433
Beacon Harbor Wealth Advisors
Virginia
$5.78M +$5.78M +88,121 New
QC
434
Quadrature Capital
United Kingdom
$5.76M +$5.76M +87,765 New
AMI
435
Amica Mutual Insurance
Rhode Island
$5.73M – – –
CCFCSB
436
Cape Cod Five Cents Savings Bank
Massachusetts
$5.67M – – –
HHAM
437
HITE Hedge Asset Management
Massachusetts
$5.5M +$4.34M +66,202 +375%
TYCC
438
Texas Yale Capital Corp
Florida
$5.48M -$67.2K -1,025 -1%
GF
439
Gabelli Funds
New York
$5.41M – – –
NAAA
440
New Age Alpha Advisors
New York
$5.38M +$4.35M +66,325 +424%
FDCDDQ
441
Federation des caisses Desjardins du Quebec
Quebec, Canada
$5.36M +$1.62M +24,673 +43%
FB
442
Fulton Bank
Pennsylvania
$5.36M -$171K -2,610 -3%
KRS
443
Kentucky Retirement Systems
Kentucky
$5.29M -$137K -2,093 -3%
MMA
444
Mizuho Markets Americas
New York
$5.28M +$5.28M +80,500 New
Federated Hermes
445
Federated Hermes
Pennsylvania
$5.16M -$1.26M -19,260 -20%
JC
446
Joho Capital
New York
$5.15M – – –
SWM
447
Spire Wealth Management
Virginia
$5.11M -$1.34M -20,450 -21%
NIG
448
NFJ Investment Group
Texas
$5.07M +$5.07M +77,284 New
AWM
449
Apollon Wealth Management
South Carolina
$5.06M +$580K +8,848 +13%
SCTC
450
Sanibel Captiva Trust Company
Florida
$5.02M +$811K +12,368 +19%
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