Main Street Capital (MAIN) Stock Chart & Stock Price History $64.45 -0.37 (-0.57%) Closing price 03:59 PM EasternExtended Trading$64.41 -0.04 (-0.06%) As of 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Main Street Capital Stock Price Performance The Main Street Capital (MAIN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 27.93%, with a year-to-date return of 10.02%. In the past month, the stock has increased 10.24%, reflecting recent market activity. As of the latest close, Main Street Capital traded at $64.86 with a market cap of $5.77 billion and volume of 531,945 shares. Five years ago, the stock traded at $31.77, representing a 102.86% increase over that period. At the time, it had a market cap of $2.06 billion and a volume of 303,503 shares. Receive MAIN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Main Street Capital and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.35%1 Month Performance+10.24%3 Month Performance+21.10%Year-To-Date Performance+10.02%1 Year Performance+27.93%5 Year Performance+102.86% MAIN Stock Chart for Friday, July, 18, 2025 MAIN Chart by TradingView Main Street Capital Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/18/2025$64.86$64.45-0.63%$65.45$64.19412,533 shs$5.74 billion07/17/2025$64.39$64.86+0.73%$65.23$64.49531,945 shs$5.77 billion07/16/2025$63.50$64.39+1.41%$64.45$63.05415,144 shs$5.73 billion07/15/2025$63.56$63.50-0.10%$63.97$63.00486,793 shs$5.65 billion07/14/2025$62.97$63.56+0.94%$63.68$62.66462,129 shs$5.66 billion07/11/2025$62.25$62.97+1.16%$63.26$62.08393,568 shs$5.61 billion07/10/2025$61.36$62.25+1.45%$62.59$61.32470,624 shs$5.54 billion07/09/2025$60.99$61.36+0.61%$61.43$60.71371,104 shs$5.46 billion07/08/2025$60.97$60.99+0.03%$61.30$60.50542,045 shs$5.43 billion07/07/2025$61.00$60.97-0.05%$61.19$60.30808,169 shs$5.43 billion Get the Latest News and Ratings for MAIN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Main Street Capital and its competitors with MarketBeat's FREE daily newsletter. 07/04/2025$61.00$61.00$61.18$60.20383,183 shs$5.43 billion07/03/2025$60.12$61.00+1.46%$61.18$60.20383,183 shs$5.43 billion07/02/2025$59.30$60.12+1.38%$60.18$59.20403,004 shs$5.35 billion07/01/2025$59.11$59.30+0.32%$59.53$58.86464,680 shs$5.28 billion06/30/2025$59.00$59.11+0.18%$59.48$58.46509,540 shs$5.26 billion06/27/2025$59.35$59.00-0.58%$59.70$58.49433,016 shs$5.25 billion06/26/2025$58.32$59.35+1.77%$59.61$58.53450,258 shs$5.28 billion06/25/2025$58.60$58.32-0.48%$58.73$57.97268,040 shs$5.19 billion06/24/2025$57.99$58.60+1.04%$59.07$58.10507,623 shs$5.22 billion06/23/2025$58.10$57.99-0.19%$58.15$57.02386,787 shs$5.16 billion06/20/2025$58.46$58.10-0.62%$58.88$57.90585,155 shs$5.17 billion06/19/2025$58.46$58.46$58.64$57.87421,274 shs$5.20 billion06/18/2025$57.90$58.46+0.98%$58.64$57.87421,274 shs$5.20 billion06/17/2025$57.45$57.90+0.78%$57.99$57.09366,609 shs$5.15 billion Related Companies Ares Capital Stock Chart Gladstone Capital Stock Chart MidCap Financial Investment Stock Chart New Mountain Finance Stock Chart Oaktree Specialty Lending Stock Chart PennantPark Floating Rate Capital Stock Chart FS KKR Capital Stock Chart Goldman Sachs BDC Stock Chart Hercules Capital Stock Chart Sixth Street Specialty Lending Stock Chart Receive MAIN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Main Street Capital and its competitors with MarketBeat's FREE daily newsletter. 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