American Tower (AMT) Shares Outstanding (2009 - 2026)

American Tower's Shares Outstanding history runs 16 years deep, the most recent figure standing at $466.0 million for Q1 2026.

• In Q1 2026, Shares Outstanding fell 2.74% year-over-year to $466.0 million; the TTM figure through Mar 2026 stood at $466.0 million (down 2.74% YoY), while the FY2025 annual figure was $466.3 million, down 2.52% from the prior year.
• Shares Outstanding came in at $466.0 million for Q1 2026 at American Tower, roughly flat from $466.3 million in the prior quarter.
• In the past five years, Shares Outstanding ranged from a high of $479.2 million in Q2 2025 to a low of $466.0 million in Q1 2026.
• A 5-year average of $474.9 million and a median of $477.1 million in 2023 frame the typical range for Shares Outstanding.
• Across the five-year window, Shares Outstanding advanced 2.52% in 2022 and declined 2.74% in 2026, its largest moves.
• American Tower's Shares Outstanding stood at $476.5 million in 2022, then gained by 0.14% to $477.2 million in 2023, then grew by 0.26% to $478.4 million in 2024, then dropped by 2.52% to $466.3 million in 2025, then decreased by 0.07% to $466.0 million in 2026.
• According to Business Quant data, Shares Outstanding over the past three periods registered $466.0 million, $466.3 million, and $468.3 million for Q1 2026, Q4 2025, and Q3 2025 respectively.

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