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Amgen (AMGN) Shares Outstanding (Weighted Average) (2016 - 2025)

Amgen has reported Shares Outstanding (Weighted Average) over the past 17 years, most recently at $538.0 million for Q4 2025.

  • Quarterly results put Shares Outstanding (Weighted Average) at $538.0 million for Q4 2025, changed 0.19% from a year ago — trailing twelve months through Dec 2025 was $538.0 million (changed 0.19% YoY), and the annual figure for FY2025 was $538.0 million, changed 0.19%.
  • Shares Outstanding (Weighted Average) for Q4 2025 was $538.0 million at Amgen, roughly flat from $538.0 million in the prior quarter.
  • Over the last five years, Shares Outstanding (Weighted Average) for AMGN hit a ceiling of $577.0 million in Q1 2021 and a floor of $534.0 million in Q1 2023.
  • Median Shares Outstanding (Weighted Average) over the past 5 years was $537.5 million (2022), compared with a mean of $544.0 million.
  • Biggest five-year swings in Shares Outstanding (Weighted Average): dropped 6.63% in 2022 and later increased 0.56% in 2024.
  • Amgen's Shares Outstanding (Weighted Average) stood at $570.0 million in 2021, then decreased by 5.61% to $538.0 million in 2022, then dropped by 0.56% to $535.0 million in 2023, then rose by 0.37% to $537.0 million in 2024, then grew by 0.19% to $538.0 million in 2025.
  • The last three reported values for Shares Outstanding (Weighted Average) were $538.0 million (Q4 2025), $538.0 million (Q3 2025), and $538.0 million (Q2 2025) per Business Quant data.