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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.

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
1
T. Rowe Price Investment Management
Maryland
$1.1B
2
UBS AM
2
UBS AM
Illinois
$574M
3
NL
3
Nuveen LLC
North Carolina
$477M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$798M
5
Franklin Resources
5
Franklin Resources
California
$725M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$2.76B
3
Citadel Advisors
3
Citadel Advisors
Florida
$77M
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$250K
5
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$38.9M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$10.2B 154,998,780 +2,870,933 +2%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$6.88B 104,940,369 +689,794 +0.7%
BlackRock
3
BlackRock
New York
$6.68B 101,875,225 +3,296,225 +3%
State Street
4
State Street
Massachusetts
$3.64B 55,312,546 +1,178,361 +2%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$2.76B 42,108,425 -16,803,388 -29%
Bank of New York Mellon
6
Bank of New York Mellon
New York
$2.04B 31,166,556 -1,779,076 -5%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$1.72B 26,296,681 +971,028 +4%
Bank of America
8
Bank of America
North Carolina
$1.67B 25,441,980 +488,389 +2%
Massachusetts Financial Services
9
Massachusetts Financial Services
Massachusetts
$1.36B 20,676,055 -1,460,459 -7%
Morgan Stanley
10
Morgan Stanley
New York
$1.3B 19,765,127 -116,703 -0.6%
JPMorgan Chase & Co
11
JPMorgan Chase & Co
New York
$1.17B 17,788,223 -57,378 -0.3%
T. Rowe Price Investment Management
12
T. Rowe Price Investment Management
Maryland
$1.1B 16,743,239 +11,092,282 +196%
Royal Bank of Canada
13
Royal Bank of Canada
Ontario, Canada
$854M 13,013,749 +16,361 +0.1%
Northern Trust
14
Northern Trust
Illinois
$839M 12,796,032 -269,770 -2%
Wellington Management Group
15
Wellington Management Group
Massachusetts
$798M 12,168,971 +5,154,860 +73%
Flossbach Von Storch
16
Flossbach Von Storch
Germany
$748M 11,397,719 -916,685 -7%
Amundi
17
Amundi
France
$729M 11,589,011 -2,459,992 -18%
Franklin Resources
18
Franklin Resources
California
$725M 11,060,901 +4,107,670 +59%
ATO
19
Alecta Tjanstepension Omsesidigt
Sweden
$718M 10,941,600 -2,090,000 -16%
Janus Henderson Group
20
Janus Henderson Group
United Kingdom
$684M 10,268,334 +3,012,044 +42%
Invesco
21
Invesco
Georgia
$603M 9,198,997 +141,069 +2%
Mawer Investment Management
22
Mawer Investment Management
Alberta, Canada
$582M 8,865,933 -2,483,941 -22%
Lazard Asset Management
23
Lazard Asset Management
New York
$579M 8,831,645 -1,569,838 -15%
UBS AM
24
UBS AM
Illinois
$574M 8,758,951 +7,573,750 +639%
AllianceBernstein
25
AllianceBernstein
Tennessee
$573M 8,739,553 +92,450 +1%
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