Magnite (MGNI) Shares Outstanding (2013 - 2026)

Magnite's Shares Outstanding history runs 14 years deep, the most recent figure standing at $143.3 million for Q1 2026.

• In Q1 2026, Shares Outstanding rose 1.29% year-over-year to $143.3 million; the TTM figure through Mar 2026 stood at $143.3 million (up 1.29% YoY), while the FY2025 annual figure was $143.0 million, up 1.09% from the prior year.
• Shares Outstanding was $143.3 million for Q1 2026 at Magnite, roughly flat from $143.0 million in the prior quarter.
• In the past five years, Shares Outstanding ranged from a high of $143.6 million in Q3 2025 to a low of $132.1 million in Q1 2022.
• Historically, Shares Outstanding has averaged $138.7 million across 5 years, with a median of $140.0 million in 2024.
• The sharpest annual moves came in 2022 and 2025: Shares Outstanding grew 13.73% in 2022, then climbed 0.88% in 2025.
• A 5-year view of Shares Outstanding shows it stood at $134.0 million in 2022, then advanced by 3.41% to $138.6 million in 2023, then increased by 2.06% to $141.4 million in 2024, then advanced by 1.09% to $143.0 million in 2025, then gained by 0.24% to $143.3 million in 2026.
• The last three Shares Outstanding figures came in at $143.3 million (Q1 2026), $143.0 million (Q4 2025), and $143.6 million (Q3 2025), per Business Quant data.