Main Street Capital MAIN
NYSE MAIN
$54.08 +0.75 (+1.41%)
At close: Oct 22, 2026 · 4:00 PM EDT

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

Updated

Main Street Capital's Shares Outstanding (Entity) was 93.35 million in Q2 2026, up 4.6% from 89.28 million a year earlier and up 1.0% from the prior quarter.

Analysis

Main Street Capital CORP (MAIN) Shares Outstanding (Entity) (2021 - 2026) Analysis & Trends

For FY2025, Shares Outstanding (Entity) at Main Street Capital came in at 89.83 million, up 1.6% from FY2024.

  • Shares Outstanding (Entity) has now increased for five consecutive years, with a five-year compound annual growth rate of 5.8% (FY2020 to FY2025).
  • In earlier years, Shares Outstanding (Entity) was 88.4 million in FY2024 (+4.2%), 84.83 million in FY2023 (+8.1%), 78.46 million in FY2022 (+11.0%) and 70.7 million in FY2021 (+4.3%).
  • The Q2 2026 figure marks the highest quarterly Shares Outstanding (Entity) in data going back to Q3 2021.
  • Compared with a year earlier, Shares Outstanding (Entity) has increased for 16 straight quarters, with growth averaging 3.6% over the last eight quarters.
  • Across the past five years, year-over-year growth in Shares Outstanding (Entity) ran from 1.6% in Q4 2025 to 11.0% in Q4 2022.
  • Per Business Quant data, MAIN's Shares Outstanding (Entity) in the three quarters before Q2 2026 was 92.45 million (Q1 2026), 89.83 million (Q4 2025) and 89.54 million (Q3 2025).
Peer Set

Peer Comparison

Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 93.35 Mn
Mar 31, 2026 92.45 Mn
Dec 31, 2025 89.83 Mn
Sep 30, 2025 89.54 Mn
Jun 30, 2025 89.28 Mn
Mar 31, 2025 88.66 Mn
Dec 31, 2024 88.40 Mn
Sep 30, 2024 88.06 Mn
Jun 30, 2024 86.55 Mn
Mar 31, 2024 85.14 Mn
Dec 31, 2023 84.83 Mn
Sep 30, 2023 83.68 Mn
Jun 30, 2023 81.03 Mn
Mar 31, 2023 79.77 Mn
Dec 31, 2022 78.46 Mn
Sep 30, 2022 76.16 Mn
Jun 30, 2022 73.91 Mn
Mar 31, 2022 72.37 Mn
Dec 31, 2021 70.70 Mn
Sep 30, 2021 69.41 Mn
API Access

Main Street Capital CORP Shares Outstanding (Entity) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-entity&ticker=MAIN&period=max&api_key=YOUR_API_KEY