Thermon Group (THR) Stock Chart & Stock Price History $27.59 +0.18 (+0.66%) As of 01:49 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Thermon Group Stock Price Performance The Thermon Group (THR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 8.22%, with a year-to-date return of -4.10%. In the past month, the stock has increased 3.26%, reflecting recent market activity. As of the latest close, Thermon Group traded at $27.42 with a market cap of $906.51 million and volume of 683,332 shares. Five years ago, the stock traded at $11.32, representing a 143.73% increase over that period. At the time, it had a market cap of $375.46 million and a volume of 196,318 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+4.90%1 Month Performance+3.26%3 Month Performance+2.30%Year-To-Date Performance-4.10%1 Year Performance-8.22%5 Year Performance+143.73% THR Stock Chart for Monday, September, 22, 2025 THR Chart by TradingView Thermon Group 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 Capitalization09/19/2025$27.06$27.42+1.33%$28.00$26.97683,332 shs$906.51 million09/18/2025$26.30$27.06+2.89%$27.22$26.49214,861 shs$894.74 million09/17/2025$26.22$26.30+0.31%$27.14$26.21372,623 shs$869.48 million09/16/2025$25.68$26.22+2.10%$26.43$25.29469,952 shs$866.83 million09/15/2025$25.52$25.68+0.65%$25.80$25.12294,633 shs$849.11 million09/12/2025$26.10$25.52-2.24%$26.21$25.33240,995 shs$843.65 million09/11/2025$24.98$26.10+4.48%$26.13$24.84183,805 shs$862.87 million09/10/2025$24.64$24.98+1.38%$25.09$24.49230,476 shs$825.87 million09/09/2025$25.34$24.64-2.75%$25.16$24.53173,111 shs$814.72 million09/08/2025$25.47$25.34-0.52%$25.69$25.12180,902 shs$837.64 million Get the Latest News and Ratings for THR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Thermon Group and its competitors with MarketBeat's FREE daily newsletter. 09/05/2025$26.32$25.47-3.24%$26.56$25.30269,500 shs$842.01 million09/04/2025$25.44$26.32+3.45%$26.36$25.41342,223 shs$870.17 million09/03/2025$26.27$25.44-3.15%$26.55$25.40245,929 shs$841.15 million09/02/2025$26.49$26.27-0.85%$26.60$25.93176,313 shs$868.62 million09/01/2025$26.49$26.49$26.68$26.11321,936 shs$875.89 million08/29/2025$26.41$26.49+0.33%$26.68$26.11321,936 shs$875.89 million08/28/2025$26.86$26.41-1.68%$27.12$26.24167,378 shs$872.98 million08/27/2025$26.64$26.86+0.82%$26.90$26.40158,800 shs$887.99 million08/26/2025$26.05$26.64+2.25%$26.68$26.00142,728 shs$880.62 million08/25/2025$26.72$26.05-2.50%$26.71$25.97171,981 shs$861.28 million08/22/2025$25.10$26.72+6.44%$26.79$25.31219,540 shs$883.36 million08/21/2025$25.05$25.10+0.23%$25.25$24.72129,396 shs$830.03 million Related Companies AMSC Stock Chart VICR Stock Chart PLPC Stock Chart LYTS Stock Chart FCEL Stock Chart ETN Stock Chart EMR Stock Chart ROP Stock Chart AME Stock Chart ROK Stock Chart Receive THR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Thermon Group and its competitors with MarketBeat's FREE daily newsletter. This page (NYSE:THR) was last updated on 9/22/2025 by MarketBeat.com Staff From Our PartnersWhat The Silver Boom Could Mean For You…AI, electric vehicles, and even global central banks are quietly fueling record demand for silver. 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