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Illumina (ILMN) Shares Outstanding (Diluted Average) (2016 - 2026)

Illumina filings provide 18 years of Shares Outstanding (Diluted Average) readings, the most recent being $154.0 million for Q1 2026.

  • On a quarterly basis, Shares Outstanding (Diluted Average) fell 3.14% to $154.0 million in Q1 2026 year-over-year; TTM through Mar 2026 was $154.0 million, a 3.14% decrease, with the full-year FY2025 number at $156.0 million, down 1.89% from a year prior.
  • Shares Outstanding (Diluted Average) hit $154.0 million in Q1 2026 for Illumina, down from $156.0 million in the prior quarter.
  • In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $160.0 million in Q3 2024 to a low of $151.0 million in Q1 2022.
  • Median Shares Outstanding (Diluted Average) over the past 5 years was $158.0 million (2023), compared with a mean of $157.2 million.
  • Biggest five-year swings in Shares Outstanding (Diluted Average): rose 8.16% in 2022 and later decreased 3.75% in 2025.
  • Illumina's Shares Outstanding (Diluted Average) stood at $157.0 million in 2022, then increased by 0.64% to $158.0 million in 2023, then increased by 0.63% to $159.0 million in 2024, then decreased by 1.89% to $156.0 million in 2025, then decreased by 1.28% to $154.0 million in 2026.
  • The last three reported values for Shares Outstanding (Diluted Average) were $154.0 million (Q1 2026), $156.0 million (Q4 2025), and $154.0 million (Q3 2025) per Business Quant data.