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Amphenol
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Overview Fund Activity

1,410 hedge funds and large institutions have $74.1B invested in Amphenol in 2025 Q1 according to their latest regulatory filings, with 184 funds opening new positions, 593 increasing their positions, 463 reducing their positions, and 137 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,410
Holders Change
+22
Holders Change %
+1.59%
% of All Funds
19.16%
Holding in Top 10
46
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-8%
% of All Funds
0.63%
New
184
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
$1.1B
2
UBS AM
UBS AM
Illinois
$574M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$798M
4
Franklin Resources
Franklin Resources
California
$725M
5
BlackRock
BlackRock
New York
$6.68B

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$2.76B
2
Citadel Advisors
Citadel Advisors
Florida
$77M
3
Winslow Capital Management
Winslow Capital Management
Minnesota
$250K
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
$38.9M
5
Mawer Investment Management
Mawer Investment Management
Alberta, Canada
$582M
Name Holding Trade Value Shares
Change 		Shares
Change %
CAPTRUST Financial Advisors
151
CAPTRUST Financial Advisors
North Carolina
$53.8M +$50.1M +763,720 +1,359%
LPL Financial
152
LPL Financial
California
$51.9M +$7.16M +109,120 +16%
BHIA
153
Birch Hill Investment Advisors
Massachusetts
$51.7M +$13.5M +206,458 +36%
EIP
154
Epoch Investment Partners
New York
$50.2M -$17.6M -268,512 -26%
State of Wisconsin Investment Board
155
State of Wisconsin Investment Board
Wisconsin
$49.8M -$3.47M -52,926 -7%
TCM
156
TimesSquare Capital Management
New York
$49.5M +$5.66M +86,345 +13%
BEI
157
Benjamin Edwards Inc
Missouri
$48.5M +$6.02M +91,812 +14%
Royal London Asset Management
158
Royal London Asset Management
United Kingdom
$47.9M +$4.25M +64,827 +10%
NAM
159
Nissay Asset Management
Japan
$47.6M +$8.48M +129,246 +22%
Mercer Global Advisors
160
Mercer Global Advisors
Colorado
$47.4M +$2.03M +30,886 +4%
US Bancorp
161
US Bancorp
Minnesota
$47.3M -$880K -13,418 -2%
ACM
162
Alta Capital Management
Utah
$46.3M -$904K -13,787 -2%
NB
163
Norinchukin Bank
Japan
$45.2M +$3.62M +55,154 +9%
AIM
164
Avity Investment Management
Connecticut
$44.7M -$207K -3,149 -0.5%
HCM
165
Howland Capital Management
Massachusetts
$44.6M -$501K -7,617 -1%
Axa
166
Axa
France
$44.3M +$10.7M +162,793 +32%
PCM
167
Palisade Capital Management
New Jersey
$43M +$1.8M +27,508 +4%
Prudential Financial
168
Prudential Financial
New Jersey
$42.4M -$44.3M -675,747 -51%
SCP
169
Sandhill Capital Partners
New York
$41.7M +$3.58M +54,523 +9%
Chevy Chase Trust
170
Chevy Chase Trust
Maryland
$41.7M +$162K +2,468 +0.4%
Bank of Nova Scotia
171
Bank of Nova Scotia
Ontario, Canada
$41.5M +$7.11M +108,347 +21%
GCM
172
Geneva Capital Management
Wisconsin
$41M -$1M -15,317 -2%
DP
173
Dundas Partners
United Kingdom
$40.5M – – –
FDCP
174
Foster Dykema Cabot & Partners
Massachusetts
$40.1M +$838K +12,743 +2%
FCM
175
Frontier Capital Management
Massachusetts
$40M +$3.26M +49,660 +9%
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