Main Street Capital (MAIN) Stock Chart & Stock Price History $65.58 -0.21 (-0.32%) As of 02:56 PM Eastern This is a fair market value 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 32.55%, with a year-to-date return of 12.17%. In the past month, the stock has increased 2.86%, reflecting recent market activity. As of the latest close, Main Street Capital traded at $65.77 with a market cap of $5.88 billion and volume of 592,111 shares. Five years ago, the stock traded at $29.99, representing a 119.11% increase over that period. At the time, it had a market cap of $2.00 billion and a volume of 400,496 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. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. 5 Day Performance-0.79%1 Month Performance+2.86%3 Month Performance+16.29%Year-To-Date Performance+12.17%1 Year Performance+32.55%5 Year Performance+119.11% MAIN Stock Chart for Wednesday, September, 3, 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 Capitalization09/02/2025$66.24$65.77-0.70%$66.53$65.37592,111 shs$5.88 billion09/01/2025$66.24$66.24$66.50$65.96486,280 shs$5.92 billion08/29/2025$65.83$66.24+0.62%$66.50$65.96486,280 shs$5.92 billion08/28/2025$64.70$65.83+1.75%$65.91$64.64499,322 shs$5.89 billion08/27/2025$64.56$64.70+0.22%$65.23$64.60388,143 shs$5.79 billion08/26/2025$64.02$64.56+0.84%$64.67$63.62359,123 shs$5.77 billion08/25/2025$65.08$64.02-1.63%$65.37$64.00655,468 shs$5.73 billion08/22/2025$65.57$65.08-0.74%$66.36$65.07580,010 shs$5.82 billion08/21/2025$65.46$65.57+0.17%$66.03$65.20446,694 shs$5.86 billion08/20/2025$65.17$65.46+0.44%$65.62$64.73403,355 shs$5.85 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. 08/19/2025$65.64$65.17-0.71%$66.20$65.04685,927 shs$5.83 billion08/18/2025$66.18$65.64-0.82%$66.59$65.61540,021 shs$5.87 billion08/15/2025$67.16$66.18-1.47%$67.48$66.10390,063 shs$5.92 billion08/14/2025$67.56$67.16-0.58%$67.77$67.06388,103 shs$6.01 billion08/13/2025$66.66$67.56+1.35%$67.68$66.70556,964 shs$6.04 billion08/12/2025$65.95$66.66+1.08%$66.68$65.98374,482 shs$5.93 billion08/11/2025$65.60$65.95+0.53%$67.03$65.37661,585 shs$5.87 billion08/08/2025$63.58$65.60+3.17%$65.85$63.32762,277 shs$5.84 billion08/07/2025$64.17$63.58-0.92%$64.50$63.16726,458 shs$5.66 billion08/06/2025$63.71$64.17+0.72%$64.48$63.43406,617 shs$5.71 billion08/05/2025$64.21$63.71-0.78%$64.37$62.92658,232 shs$5.67 billion08/04/2025$63.88$64.21+0.52%$64.75$63.70409,756 shs$5.72 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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