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Ciena (CIEN) Shares Outstanding (Diluted Average): 2009-2025

Historic Shares Outstanding (Diluted Average) for Ciena (CIEN) over the last 13 years, with Nov 2025 value amounting to $145.2 million.

  • Ciena's Shares Outstanding (Diluted Average) fell 0.49% to $145.2 million in Q4 2025 from the same period last year, while for Nov 2025 it was $145.2 million, marking a year-over-year decrease of 0.49%. This contributed to the annual value of $145.2 million for FY2025, which is 0.49% down from last year.
  • Latest data reveals that Ciena reported Shares Outstanding (Diluted Average) of $145.2 million as of Q4 2025, which was up 0.06% from $145.2 million recorded in Q3 2025.
  • Over the past 5 years, Ciena's Shares Outstanding (Diluted Average) peaked at $156.9 million during Q2 2021, and registered a low of $145.2 million during Q3 2025.
  • For the 3-year period, Ciena's Shares Outstanding (Diluted Average) averaged around $147.0 million, with its median value being $146.0 million (2024).
  • As far as peak fluctuations go, Ciena's Shares Outstanding (Diluted Average) dropped by 4.02% in 2023, and later increased by 0.07% in 2025.
  • Quarterly analysis of 5 years shows Ciena's Shares Outstanding (Diluted Average) stood at $156.7 million in 2021, then dropped by 2.90% to $152.2 million in 2022, then declined by 1.85% to $149.4 million in 2023, then dropped by 2.29% to $146.0 million in 2024, then fell by 0.49% to $145.2 million in 2025.
  • Its Shares Outstanding (Diluted Average) stands at $145.2 million for Q4 2025, versus $145.2 million for Q3 2025 and $145.5 million for Q2 2025.