2,461 institutions reported holding $208.12B of AMPHENOL CORP (APH) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($22.67B), BlackRock, Inc. ($17.85B), FMR LLC ($12.44B), STATE STREET CORP ($10.50B), Capital International Investors ($7.59B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30