1,893 institutions reported holding $73.38B of AMERICAN TOWER CORP (AMT) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($10.36B), BlackRock, Inc. ($7.49B), STATE STREET CORP ($3.65B), GEODE CAPITAL MANAGEMENT, LLC ($2.26B), COHEN & STEERS, INC. ($2.25B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30