Amgen (AMGN) Shares Outstanding (2009 - 2026)

Amgen's Shares Outstanding history runs 18 years deep, the most recent figure standing at $539.7 million for Q1 2026.

• In Q1 2026, Shares Outstanding changed 0.37% year-over-year to $539.7 million; the TTM figure through Mar 2026 stood at $539.7 million (changed 0.37% YoY), while the FY2025 annual figure was $538.8 million, changed 0.35% from the prior year.
• Shares Outstanding was $539.7 million for Q1 2026 at Amgen, roughly flat from $538.8 million in the prior quarter.
• In the past five years, Shares Outstanding ranged from a high of $539.7 million in Q1 2026 to a low of $533.5 million in Q3 2022.
• Historically, Shares Outstanding has averaged $536.3 million across 5 years, with a median of $536.4 million in 2024.
• The sharpest annual moves came in 2022 and 2024: Shares Outstanding slipped 7.14% in 2022, then gained 0.45% in 2024.
• A 5-year view of Shares Outstanding shows it stood at $534.0 million in 2022, then rose by 0.26% to $535.4 million in 2023, then rose by 0.28% to $536.9 million in 2024, then advanced by 0.35% to $538.8 million in 2025, then increased by 0.17% to $539.7 million in 2026.
• The last three Shares Outstanding figures came in at $539.7 million (Q1 2026), $538.8 million (Q4 2025), and $538.5 million (Q3 2025), per Business Quant data.