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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 %
MIF
526
Mediolanum International Funds
Ireland
$3.49M -$2.16M -32,503 -38%
BFPW
527
BOK Financial Private Wealth
Colorado
$3.48M -$90.5K -1,376 -3%
Bessemer Group
528
Bessemer Group
New Jersey
$3.44M -$3.19M -48,707 -48%
SAM
529
Scopus Asset Management
New York
$3.42M -$11.7M -178,203 -77%
AT
530
American Trust
Kentucky
$3.42M -$19.6K -299 -0.6%
NSB
531
Norway Savings Bank
Maine
$3.41M -$74.1K -1,130 -2%
HI
532
Horizon Investments
North Carolina
$3.38M -$294K -4,479 -8%
VI
533
Vestcor Inc
New Brunswick, Canada
$3.37M +$144K +2,194 +4%
CUAMC
534
China Universal Asset Management Company
China
$3.37M -$1.58M -24,000 -32%
PIM
535
Plato Investment Management
Australia
$3.36M -$454K -6,842 -12%
BHWM
536
Bar Harbor Wealth Management
New Hampshire
$3.32M -$125K -1,909 -4%
BIA
537
Baer Investment Advisory
California
$3.31M +$460K +6,935 +16%
MCM
538
Mitchell Capital Management
Kansas
$3.31M +$5.12K +78 +0.2%
JFGIW
539
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$3.28M +$63.2K +961 +2%
PP
540
PDT Partners
New York
$3.26M +$2.32M +35,319 +245%
ATC
541
Argent Trust Co
Tennessee
$3.23M +$10.4K +159 +0.3%
SLI
542
Sumitomo Life Insurance
Japan
$3.23M +$161K +2,457 +5%
O
543
Ossiam
France
$3.23M +$994K +15,154 +44%
AF
544
Arrow Financial
New York
$3.19M -$1.73M -26,371 -35%
MGP
545
Metis Global Partners
California
$3.18M +$525K +8,008 +20%
Two Sigma Investments
546
Two Sigma Investments
New York
$3.16M -$23.9M -364,971 -88%
EMPI
547
Elo Mutual Pension Insurance
Finland
$3.12M -$4.09M -62,382 -57%
PFM
548
Patton Fund Management
Texas
$3.06M -$917K -13,983 -23%
ASN
549
Advisory Services Network
Georgia
$3.02M +$743K +11,331 +33%
COI
550
Connable Office Inc
Michigan
$2.98M -$154K -2,348 -5%
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