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Amphenol Corp

APH
Exchange
NYSE
Industry
Electronic Connectors
SEC CIK
0000820313

In the last 90 days, Amphenol Corp insiders filed 0 open-market purchases and 4 sales; 2,340 institutions reported holding it in 13F filings for Q2 2026, worth $205.1B in total; superinvestors Weitz Investment Management and Maverick Capital hold it.

13F holders, Q3 2026

Institutional positions in Amphenol Corp as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders
6
+2 vs. Q2 2026
Shares held
235.6K
+111.5K (+89.9%) vs. Q2 2026
Total value
$19.9M
−$2.02M (−9.2%) vs. Q2 2026
New holders
2
4 more added
Sold out
0
0 more reduced

2,336 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting APH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders
Q1 2021: 810 institutionsQ2 2021: 821 institutionsQ3 2021: 839 institutionsQ4 2021: 892 institutionsQ1 2022: 896 institutionsQ2 2022: 898 institutionsQ3 2022: 911 institutionsQ4 2022: 951 institutionsQ1 2023: 980 institutionsQ2 2023: 983 institutionsQ3 2023: 1,010 institutionsQ4 2023: 1,085 institutionsQ1 2024: 1,157 institutionsQ2 2024: 1,298 institutionsQ3 2024: 1,295 institutionsQ4 2024: 1,407 institutionsQ1 2025: 1,427 institutionsQ2 2025: 1,648 institutionsQ3 2025: 1,829 institutionsQ4 2025: 2,059 institutionsQ1 2026: 2,136 institutionsQ2 2026: 2,340 institutions
Value held
Q1 2021: $37.3BQ2 2021: $38.9BQ3 2021: $42.0BQ4 2021: $50.2BQ1 2022: $42.7BQ2 2022: $36.2BQ3 2022: $38.1BQ4 2022: $43.3BQ1 2023: $46.6BQ2 2023: $48.4BQ3 2023: $47.7BQ4 2023: $57.8BQ1 2024: $66.7BQ2 2024: $77.0BQ3 2024: $73.8BQ4 2024: $79.6BQ1 2025: $75.5BQ2 2025: $114.7BQ3 2025: $141.0BQ4 2025: $156.8BQ1 2026: $145.4BQ2 2026: $205.1B
Institutions holding APH and their total value by quarter
QuarterHoldersValue
Q2 20262,340$205.1B
Q1 20262,136$145.4B
Q4 20252,059$156.8B
Q3 20251,829$141.0B
Q2 20251,648$114.7B
Q1 20251,427$75.5B
Q4 20241,407$79.6B
Q3 20241,295$73.8B
Q2 20241,298$77.0B
Q1 20241,157$66.7B
Q4 20231,085$57.8B
Q3 20231,010$47.7B
Q2 2023983$48.4B
Q1 2023980$46.6B
Q4 2022951$43.3B
Q3 2022911$38.1B
Q2 2022898$36.2B
Q1 2022896$42.7B
Q4 2021892$50.2B
Q3 2021839$42.0B
Q2 2021821$38.9B
Q1 2021810$37.3B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Amphenol Corp; share changes are against Q2 2026.

Institutions holding APH in Q3 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Country Trust Bank––––Not filed
Nissay Asset Management Corp––––Not filed
Cartenna Capital, LP––––Not filed
Jensen Investment Management Inc––––Not filed
AustralianSuper Pty Ltd––––Not filed
Chevy Chase Trust Holdings, Inc.––––Not filed
Asset Management One Co.,Ltd.––––Not filed
Gendell Jeffrey L––––Not filed
Vanguard Investments Australia, Ltd.––––Not filed
Actiam N.V.––––Not filed
KLP Kapitalforvaltning AS––––Not filed
Evercore Wealth Management, LLC––––Not filed
B. Metzler seel. Sohn & Co. AG––––Not filed
Ieq Capital, LLC––––Not filed
Atalan Capital Partners, LP––––Not filed
Teacher Retirement System of Texas––––Not filed
Nomura Asset Management Co Ltd––––Not filed
Pictet Asset Management Holding SA––––Not filed
Wedge Capital Management L L P––––Not filed
Zacks Investment Management––––Not filed
Tandem Investment Advisors, Inc.––––Not filed
Susquehanna International Group, LLP––––Not filed
Logan Capital Management Inc––––Not filed
LMR Partners LLP––––Not filed
Reynders McVeigh Capital Management, LLC––––Not filed
Fifth Third Bancorp––––Not filed
Dundas Partners LLP––––Not filed
Public Employees Retirement System of Ohio––––Not filed
Compass Capital Management, Inc––––Not filed
J. Stern & Co. LLP––––Not filed
Foster Dykema Cabot & Partners, LLC––––Not filed
FIFTHDELTA Ltd––––Not filed
Storebrand Asset Management AS––––Not filed
Signature Estate & Investment Advisors LLC––––Not filed
Brown Advisory Inc––––Not filed
Schonfeld Strategic Advisors LLC––––Not filed
Nykredit A/S––––Not filed
Swiss Life Asset Management Ltd––––Not filed
Fiera Capital Corp––––Not filed
Howland Capital Management LLC––––Not filed
TD Waterhouse Canada Inc.––––Not filed
DnB Asset Management AS––––Not filed
Virginia Retirement Systems Et Al––––Not filed
First Long Island Investors, LLC––––Not filed
Nisa Investment Advisors, LLC––––Not filed
State of Tennessee, Treasury Department––––Not filed
Roffman Miller Associates Inc––––Not filed
Palisade Capital Management LLC––––Not filed
Public Sector Pension Investment Board––––Not filed
Groupe la Francaise––––Not filed
Capital International Sarl––––Not filed
Manning & Napier Advisors LLC––––Not filed
ING Groep NV––––Not filed
Crestwood Advisors Group LLC––––Not filed
BNP Paribas––––Not filed
Tredje AP-fonden––––Not filed
Rafferty Asset Management, LLC––––Not filed
Toronto Dominion Bank––––Not filed
Factory Mutual Insurance Co––––Not filed
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund––––Not filed
McDaniel Terry & Co––––Not filed
State of New Jersey Common Pension Fund D––––Not filed
Guinness Asset Management LTD––––Not filed
Cetera Investment Advisers––––Not filed
Bristol Gate Capital Partners Inc.––––Not filed
Janney Montgomery Scott LLC––––Not filed
Gillespie Robinson & Grimm Inc––––Not filed
Axiom Investors LLC––––Not filed
Amanah Holdings Trust––––Not filed
D. E. Shaw & Co., Inc.––––Not filed
Calamos Advisors LLC––––Not filed
Farmers & Merchants Investments Inc––––Not filed
Evelyn Partners Group Ltd––––Not filed
State of Michigan Retirement System––––Not filed
Mountain Pacific Investment Advisers Inc––––Not filed
Mn Services Vermogensbeheer B.V.––––Not filed
QRG Capital Management, Inc.––––Not filed
Czech National Bank––––Not filed
Acadian Asset Management LLC––––Not filed
M&G Plc––––Not filed
Arizona State Retirement System––––Not filed
Colony Group, LLC––––Not filed
CIBC World Markets Inc.––––Not filed
Mediolanum International Funds Ltd––––Not filed
TimesSquare Capital Management, LLC––––Not filed
Xponance, Inc.––––Not filed
CIBC Asset Management Inc––––Not filed
Sandhill Capital Partners LLC––––Not filed
HighTower Advisors, LLC––––Not filed
MetLife Investment Management––––Not filed
Sumitomo Mitsui DS Asset Management Company, Ltd––––Not filed
Mirae Asset Global Investments Co., Ltd.––––Not filed
Federated Hermes, Inc.––––Not filed
NFJ Investment Group, LLC––––Not filed
Advisor Group Holdings, Inc.––––Not filed
Umb Bank N A––––Not filed
EP Wealth Advisors, LLC––––Not filed
Campbell Newman Asset Management Inc––––Not filed
Daiwa Securities Group Inc.––––Not filed
Main Street Research LLC––––Not filed