Main Street Capital - 18 Year Stock Price History | MAIN

Historical daily share price chart and data for Main Street Capital since 2007 adjusted for splits and dividends. The latest closing stock price for Main Street Capital as of July 18, 2025 is 64.40.
  • The all-time high Main Street Capital stock closing price was 64.82 on July 17, 2025.
  • The Main Street Capital 52-week high stock price is 65.45, which is 1.6% above the current share price.
  • The Main Street Capital 52-week low stock price is 45.00, which is 30.1% below the current share price.
  • The average Main Street Capital stock price for the last 52 weeks is 55.02.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Main Street Capital Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 56.5817 56.8558 64.8200 48.2502 64.4000 14.58%
2024 45.5438 38.3496 56.2033 38.3496 56.2033 47.30%
2023 33.8835 29.7233 38.6586 29.7233 38.1555 28.23%
2022 30.9657 33.3902 35.4453 25.8547 29.7555 -11.37%
2021 29.5985 22.1389 34.7854 22.1389 33.5735 48.31%
2020 21.4719 28.2503 29.5017 10.4641 22.6368 -19.54%
2019 25.5999 20.7713 28.3710 20.6619 28.1328 36.88%
2018 22.2156 22.5015 24.0244 19.6927 20.5525 -8.27%
2017 21.0964 19.2912 23.0567 18.6759 22.4056 16.05%
2016 16.3912 14.0951 19.5196 12.8133 19.3070 37.45%
2015 13.9192 13.0520 15.3537 12.3660 14.0468 8.54%
2014 13.5525 13.1692 14.6346 11.8443 12.9414 -2.99%
2013 11.9669 11.6837 13.4549 10.3059 13.3406 16.83%
2012 9.4113 7.6045 11.4841 7.4539 11.4187 53.48%
2011 6.2604 5.9149 7.4399 5.4020 7.4399 27.79%
2010 4.8555 4.7293 5.8221 4.1225 5.8221 24.22%
2009 3.4948 2.5356 4.7536 2.4158 4.6868 84.84%
2008 2.9793 3.2209 3.5695 2.2589 2.5356 -20.77%
Sector Industry Market Cap Revenue
Finance Finance - SBIC & Commercial $5.733B $0.541B
Main Street Capital Corporation is a specialty investment company providing customized financing solutions to lower middle market companies which operate in diverse industry sectors. Main Street seeks to partner with entrepreneurs, business owners and management teams and generally provides `one stop` financing alternatives to its portfolio companies.
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CION Investment (CION) United States $0.531B 6.54
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Palmer Square Capital BDC (PSBD) United States $0.456B 7.74
Stellus Capital Investment (SCM) United States $0.424B 9.10
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Saratoga Investment Corp (SAR) United States $0.394B 7.28
Horizon Technology Finance (HRZN) United States $0.325B 6.61
TriplePoint Venture Growth BDC (TPVG) United States $0.290B 5.68
Chicago Atlantic BDC (LIEN) United States $0.237B 40.00
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WhiteHorse Finance (WHF) United States $0.206B 6.25
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Advanced Medical Isotope (RDGL) United States $0.062B 0.00
Rand Capital (RAND) United States $0.055B 10.63
Investcorp Credit Management BDC (ICMB) United States $0.041B 8.10
SLR Investment (SLRC) United States $0.000B 9.41
OFS Capital (OFS) United States $0.000B 7.78
Crescent Capital BDC (CCAP) United States $0.000B 6.50
FS KKR Capital (FSK) United States $0.000B 7.99