Main Street Capital (MAIN) Market Capitalization (2021 - 2026)
Main Street Capital (MAIN) reported Market Capitalization of $4.84 billion for Q2 2026, down 8.2% from $5.28 billion a year earlier and down 1.1% from the prior quarter.
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Analysis
Main Street Capital (MAIN) Market Capitalization (2021 - 2026) Analysis & Trends
For FY2025, Main Street Capital posted Market Capitalization of $5.43 billion, up 4.8% from FY2024.
- Market Capitalization has increased for three consecutive years, with a five-year compound annual growth rate of 19.9% (FY2020 to FY2025).
- By year, Market Capitalization came in at $5.18 billion in FY2024 (+41.2%), $3.67 billion in FY2023 (+26.5%), $2.9 billion in FY2022 (-8.6%) and $3.17 billion in FY2021 (+45.1%).
- The Q2 2026 figure ranks as the lowest quarterly Market Capitalization since Q3 2024.
- Year over year, Market Capitalization gained in six of the last eight quarters, with growth averaging 17.4%.
- The high point for year-over-year Market Capitalization in five years was Q4 2024 (growth of 41.2%); the low point was Q3 2022 (a decline of 10.2%).
- Per Business Quant data, the three quarters before Q2 2026 came in at $4.9 billion (Q1 2026), $5.43 billion (Q4 2025) and $5.69 billion (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Rocket Companies | 43.26 Bn | 28.94 Bn | - |
| 2 | Orix | 42.40 Bn | 42.90 Bn | - |
| 3 | Royalty Pharma | 33.56 Bn | 33.47 Bn | - |
| 4 | Federal National Mortgage Association Fannie Mae | 24.47 Bn | 24.47 Bn | - |
| 5 | Affirm Holdings | 23.34 Bn | 17.03 Bn | - |
| 6 | Synchrony Financial | 23.06 Bn | -44.91 Bn | - |
| 7 | Royal Gold | 19.98 Bn | 19.21 Bn | 390.45 Mn |
| 8 | Annaly Capital Management | 14.18 Bn | 5.27 Bn | - |
| 9 | Ares Capital | 13.71 Bn | 11.15 Bn | - |
| 10 | Main Street Capital | 5.14 Bn | 4.99 Bn | - |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 4.84 Bn |
| Mar 31, 2026 | 4.90 Bn |
| Dec 31, 2025 | 5.43 Bn |
| Sep 30, 2025 | 5.69 Bn |
| Jun 30, 2025 | 5.28 Bn |
| Mar 31, 2025 | 5.01 Bn |
| Dec 31, 2024 | 5.18 Bn |
| Sep 30, 2024 | 4.42 Bn |
| Jun 30, 2024 | 4.37 Bn |
| Mar 31, 2024 | 4.03 Bn |
| Dec 31, 2023 | 3.67 Bn |
| Sep 30, 2023 | 3.40 Bn |
| Jun 30, 2023 | 3.24 Bn |
| Mar 31, 2023 | 3.15 Bn |
| Dec 31, 2022 | 2.90 Bn |
| Sep 30, 2022 | 2.56 Bn |
| Jun 30, 2022 | 2.85 Bn |
| Mar 31, 2022 | 3.09 Bn |
| Dec 31, 2021 | 3.17 Bn |
| Sep 30, 2021 | 2.85 Bn |
API Access
Main Street Capital Market Capitalization 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=market-capitalization&ticker=MAIN&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "MAIN", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=MAIN&period=max&api_key=YOUR_API_KEY");
const data = await res.json();