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Amgen (AMGN) Shares Outstanding (2016 - 2025)

Amgen has reported Shares Outstanding over the past 17 years, most recently at $538.8 million for Q4 2025.

  • Quarterly results put Shares Outstanding at $538.8 million for Q4 2025, changed 0.35% from a year ago — trailing twelve months through Dec 2025 was $538.8 million (changed 0.35% YoY), and the annual figure for FY2025 was $538.8 million, changed 0.35%.
  • Shares Outstanding for Q4 2025 was $538.8 million at Amgen, roughly flat from $538.5 million in the prior quarter.
  • Over the last five years, Shares Outstanding for AMGN hit a ceiling of $575.3 million in Q1 2021 and a floor of $533.5 million in Q3 2022.
  • Median Shares Outstanding over the past 5 years was $537.0 million (2024), compared with a mean of $542.3 million.
  • Biggest five-year swings in Shares Outstanding: dropped 7.14% in 2022 and later rose 0.45% in 2024.
  • Amgen's Shares Outstanding stood at $558.3 million in 2021, then decreased by 4.35% to $534.0 million in 2022, then grew by 0.26% to $535.4 million in 2023, then grew by 0.28% to $536.9 million in 2024, then rose by 0.35% to $538.8 million in 2025.
  • The last three reported values for Shares Outstanding were $538.8 million (Q4 2025), $538.5 million (Q3 2025), and $538.3 million (Q2 2025) per Business Quant data.