NB Bancorp (NBBK) Stock Chart & Stock Price History $19.02 +0.21 (+1.09%) As of 01:54 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock NB Bancorp Stock Price Performance The NB Bancorp (NBBK) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 2.71%, with a year-to-date return of 4.98%. In the past month, the stock has increased 10.43%, reflecting recent market activity. As of the latest close, NB Bancorp traded at $18.82 with a market cap of $749.53 million and volume of 162,954 shares. Receive NBBK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NB Bancorp and its competitors with MarketBeat's FREE daily newsletter. 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Read our full terms of service and privacy policy. 5 Day Performance+0.37%1 Month Performance+10.43%3 Month Performance+14.08%Year-To-Date Performance+4.98%1 Year Performance+2.71% NBBK Stock Chart for Thursday, September, 4, 2025 NBBK Chart by TradingView NB Bancorp 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 Capitalization09/03/2025$18.91$18.82-0.48%$18.96$18.70162,954 shs$749.53 million09/02/2025$18.89$18.91+0.11%$18.94$18.58139,839 shs$753.19 million09/01/2025$18.89$18.89$19.11$18.86168,391 shs$752.39 million08/29/2025$18.90$18.89-0.05%$19.11$18.86168,391 shs$752.39 million08/28/2025$19.00$18.90-0.53%$19.13$18.81103,615 shs$752.71 million08/27/2025$19.03$19.00-0.16%$19.15$18.86135,696 shs$756.77 million08/26/2025$18.66$19.03+1.98%$19.15$18.70407,084 shs$757.97 million08/25/2025$18.83$18.66-0.90%$18.87$18.44119,672 shs$743.15 million08/22/2025$18.12$18.83+3.92%$18.88$17.93270,727 shs$749.92 million08/21/2025$18.17$18.12-0.28%$18.14$17.9391,400 shs$721.72 million Get the Latest News and Ratings for NBBK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for NB Bancorp and its competitors with MarketBeat's FREE daily newsletter. 08/20/2025$18.19$18.17-0.11%$18.36$18.00216,887 shs$723.71 million08/19/2025$18.13$18.19+0.33%$18.35$18.0992,864 shs$724.44 million08/18/2025$18.05$18.13+0.44%$18.20$17.70123,997 shs$722.12 million08/15/2025$18.44$18.05-2.11%$18.63$18.02263,127 shs$718.93 million08/14/2025$18.56$18.44-0.65%$18.51$18.22137,957 shs$734.47 million08/13/2025$18.17$18.56+2.15%$18.58$18.01213,326 shs$752.98 million08/12/2025$17.39$18.17+4.49%$18.19$17.24308,903 shs$737.16 million08/11/2025$17.12$17.39+1.58%$17.40$17.11111,649 shs$705.51 million08/08/2025$17.10$17.12+0.12%$17.30$16.91119,798 shs$694.56 million08/07/2025$17.07$17.10+0.18%$17.18$16.92156,786 shs$693.75 million08/06/2025$17.28$17.07-1.22%$17.22$17.04109,237 shs$692.53 million08/05/2025$17.17$17.28+0.64%$17.29$16.94189,104 shs$701.05 million08/04/2025$16.89$17.17+1.66%$17.22$16.89287,329 shs$696.59 million Related Companies BFH Stock Chart ENVA Stock Chart FBK Stock Chart DAVE Stock Chart CIFR Stock Chart PRK Stock Chart HUT Stock Chart CLSK Stock Chart PGY Stock Chart LU Stock Chart Receive NBBK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NB Bancorp and its competitors with MarketBeat's FREE daily newsletter. 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