Ciena (CIEN) Shares Outstanding (Diluted Average) (2009 - 2026)

Ciena's Shares Outstanding (Diluted Average) history runs 16 years deep, the most recent figure standing at $145.8 million for Q1 2026.

• In Q1 2026, Shares Outstanding (Diluted Average) changed 0.1% year-over-year to $145.8 million; the TTM figure through Jan 2026 stood at $145.8 million (changed 0.1% YoY), while the FY2025 annual figure was $145.2 million, changed 0.49% from the prior year.
• Shares Outstanding (Diluted Average) was $145.8 million for Q1 2026 at Ciena, roughly flat from $145.2 million in the prior quarter.
• In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $152.2 million in Q4 2022 to a low of $144.9 million in Q2 2024.
• Historically, Shares Outstanding (Diluted Average) has averaged $147.4 million across 5 years, with a median of $145.9 million in 2025.
• The sharpest annual moves came in 2022 and 2025: Shares Outstanding (Diluted Average) slipped 4.01% in 2022, then increased 0.38% in 2025.
• A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $152.2 million in 2022, then fell by 1.85% to $149.4 million in 2023, then retreated by 2.29% to $146.0 million in 2024, then retreated by 0.49% to $145.2 million in 2025, then grew by 0.38% to $145.8 million in 2026.
• The last three Shares Outstanding (Diluted Average) figures came in at $145.8 million (Q1 2026), $145.2 million (Q4 2025), and $145.2 million (Q3 2025), per Business Quant data.