Main Street Capital - 15 Year Stock Price History | MAIN

Historical daily share price chart and data for Main Street Capital since 2011 adjusted for splits and dividends. The latest closing stock price for Main Street Capital as of September 16, 2026 is 56.24.
  • The all-time high Main Street Capital stock closing price was 62.37 on August 13, 2025.
  • The Main Street Capital 52-week high stock price is 66.85, which is 18.9% above the current share price.
  • The Main Street Capital 52-week low stock price is 48.95, which is 13% below the current share price.
  • The average Main Street Capital stock price for the last 52 weeks is 57.02.
Unlock Macrotrends Premium
40 years of data
Faster, ad-free pages
Unlimited data exports
Full-width charts
Main Street Capital Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 54.4732 58.5400 61.5051 48.3833 56.2400 -1.77%
2025 54.5731 52.2955 62.3732 44.3802 57.2507 10.75%
2024 41.8909 35.2737 51.6954 35.2737 51.6954 47.30%
2023 31.1658 27.3393 35.5579 27.3393 35.0951 28.23%
2022 28.4821 30.7121 32.6023 23.7809 27.3689 -11.37%
2021 27.2245 20.3632 31.9953 20.3632 30.8807 48.31%
2020 19.7497 25.9844 27.1355 9.6248 20.8211 -19.54%
2019 23.5466 19.1053 26.0954 19.0047 25.8764 36.88%
2018 20.4337 20.6967 22.0974 18.1132 18.9040 -8.27%
2017 19.4043 17.7439 21.2074 17.1779 20.6085 16.05%
2016 15.0765 12.9646 17.9540 11.7856 17.7584 37.45%
2015 12.8028 12.0052 14.1222 11.3742 12.9201 8.54%
2014 12.4655 12.1130 13.4608 10.8943 11.9034 -2.99%
2013 11.0071 10.7466 12.3757 9.4793 12.2706 16.83%
2012 8.6564 6.9946 10.5630 6.8560 10.5029 53.48%
Sector Industry Market Cap Revenue
Finance Finance - SBIC & Commercial $5.287B $0.566B
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.
Stock Name Country Market Cap PE Ratio
Ares Capital (ARCC) United States $13.908B 9.98
Blackstone Secured Lending Fund (BXSL) United States $5.775B 7.89
Blue Owl Technology Finance (OTF) United States $4.852B 8.75
FS KKR Capital (FSK) United States $3.316B 6.22
Hercules Capital (HTGC) United States $3.302B 9.05
Golub Capital BDC (GBDC) United States $3.227B 8.57
Sixth Street Specialty Lending (TSLX) United States $1.697B 9.40
Trinity Capital (TRIN) United States $1.685B 8.55
Amalgamated Financial (AMAL) United States $1.405B 12.37
Morgan Stanley Direct Lending Fund (MSDL) United States $1.239B 7.71
Goldman Sachs BDC (GSBD) United States $1.085B 7.09
BARINGS BDC, INC (BBDC) United States $0.914B 7.79
Kayne Anderson BDC (KBDC) United States $0.860B 7.57
Carlyle Secured Lending (CGBD) United States $0.789B 8.07
Fidus Investment (FDUS) United States $0.726B 8.93
Bain Capital Specialty Finance (BCSF) United States $0.718B 6.25
New Mountain Finance (NMFC) United States $0.682B 5.92
SLR Investment (SLRC) United States $0.658B 8.27
Gladstone Investment (GAIN) United States $0.635B 17.52
Nuveen Churchill Direct Lending (NCDL) United States $0.598B 7.17
Gladstone Capital (GLAD) United States $0.439B 9.57
Crescent Capital BDC (CCAP) United States $0.363B 5.82
CION Investment (CION) United States $0.349B 4.35
BLACKROCK TCP CAPITAL CORP (TCPC) United States $0.336B 3.97
Horizon Technology Finance (HRZN) United States $0.314B 5.94
Palmer Square Capital BDC (PSBD) United States $0.312B 6.44
Saratoga Investment Corp (SAR) United States $0.280B 7.95
Medallion Financial (MFIN) United States $0.279B 8.26
Runway Growth Finance (RWAY) United States $0.277B 4.49
Chicago Atlantic BDC (LIEN) United States $0.233B 6.55
PennantPark Investment (PNNT) United States $0.228B 6.46
Stellus Capital Investment (SCM) United States $0.226B 6.83
TriplePoint Venture Growth BDC (TPVG) United States $0.208B 5.38
WhiteHorse Finance (WHF) United States $0.157B 7.12
Oxford Square Capital (OXSQ) United States $0.142B 5.50
PhenixFIN (PFX) United States $0.089B 14.33
Advanced Flower Capital (AFCG) United States $0.080B 16.00
OFS Capital (OFS) United States $0.054B 5.88
Rand Capital (RAND) United States $0.032B 11.20
Investcorp Credit Management BDC (ICMB) United States $0.012B 43.02