Growth Metrics

Magnite (MGNI) Shares Outstanding (2016 - 2025)

Magnite has reported Shares Outstanding over the past 13 years, most recently at $143.0 million for Q4 2025.

  • Quarterly results put Shares Outstanding at $143.0 million for Q4 2025, up 1.09% from a year ago — trailing twelve months through Dec 2025 was $143.0 million (up 1.09% YoY), and the annual figure for FY2025 was $143.0 million, up 1.09%.
  • Shares Outstanding for Q4 2025 was $143.0 million at Magnite, roughly flat from $143.6 million in the prior quarter.
  • Over the last five years, Shares Outstanding for MGNI hit a ceiling of $143.6 million in Q3 2025 and a floor of $116.1 million in Q1 2021.
  • Median Shares Outstanding over the past 5 years was $137.3 million (2023), compared with a mean of $136.3 million.
  • Biggest five-year swings in Shares Outstanding: skyrocketed 110.88% in 2021 and later increased 0.88% in 2025.
  • Magnite's Shares Outstanding stood at $132.6 million in 2021, then grew by 1.1% to $134.0 million in 2022, then rose by 3.41% to $138.6 million in 2023, then rose by 2.06% to $141.4 million in 2024, then rose by 1.09% to $143.0 million in 2025.
  • The last three reported values for Shares Outstanding were $143.0 million (Q4 2025), $143.6 million (Q3 2025), and $142.4 million (Q2 2025) per Business Quant data.