Growth Metrics

Main Street Capital (MAIN) Shares Outstanding (2021 - 2026)

Main Street Capital has reported Shares Outstanding over the past 5 years, most recently at $89.8 million for Q4 2025.

  • For Q4 2025, Shares Outstanding rose 1.62% year-over-year to $89.8 million; the TTM value through Dec 2025 reached $89.8 million, up 1.62%, while the annual FY2025 figure was $89.8 million, 1.62% up from the prior year.
  • Shares Outstanding for Q4 2025 was $89.8 million at Main Street Capital, roughly flat from $89.5 million in the prior quarter.
  • Over five years, Shares Outstanding peaked at $89.8 million in Q4 2025 and troughed at $69.4 million in Q3 2021.
  • A 5-year average of $82.0 million and a median of $84.3 million in 2023 define the central range for Shares Outstanding.
  • Biggest five-year swings in Shares Outstanding: increased 10.98% in 2022 and later rose 1.62% in 2025.
  • Year by year, Shares Outstanding stood at $70.7 million in 2021, then rose by 10.98% to $78.5 million in 2022, then increased by 8.06% to $84.8 million in 2023, then increased by 4.2% to $88.4 million in 2024, then rose by 1.62% to $89.8 million in 2025.
  • Business Quant data shows Shares Outstanding for MAIN at $89.8 million in Q4 2025, $89.5 million in Q3 2025, and $89.3 million in Q2 2025.