NB Bancorp, Inc. Common Stock (NBBK) Stock

NB Bancorp, Inc. Common Stock (NBBK) is a Financials stock trading at $20.15 (as of 2026-06-18), with a market capitalization of $895.46M and a trailing P/E of 14.6. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

NB Bancorp, Inc. is a bank holding company for Needham Bank, providing banking products and services to customers in the Greater Boston area and nearby communities across Massachusetts, eastern Connecticut, southern New Hampshire, and Rhode Island. It offers deposit accounts, loans (including real estate and home equity products), and investment in U.S. government-related and municipal and corporate securities.

Valuation — source: SEC EDGAR (first-party)
Price$20.15
Market Cap$895.46M
P/E Ratio14.6
EV / EBITDA6.8
Price / Book1.06
Dividend Yield0.6%
DCF Value (model)$32.16
DCF Upside vs Price59.6%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$335.75M
Net Margin15.0%
Return on Equity6.2%
Revenue Growth (YoY)37.5%
EPS Growth (YoY)12.1%
FCF Growth (YoY)157.2%
Valuation vs Sector & Industry
Stock P/E14.6
Sector P/E (Financials)14.2
Industry P/E (Banking)12.4
vs Sector2.8%
vs Industry18.1%
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderBlackRock, Inc. ($64.98M)
Institutional Holders Tracked10
Company
SectorFinancials
IndustryBanking
CEOJoseph Campanelli
Employees376
CountryUS
IPO Date2023-12-29

Related Companies (Business model: Universal / Commercial Bank; 8 closest by market cap; US-domiciled)

  • Amalgamated Financial Corp. (AMAL)
  • Burke & Herbert Financial Services Corp. (BHRB)
  • First Mid Bancshares, Inc. (FMBH)
  • Southside Bancshares, Inc. (SBSI)
  • Esquire Financial Holdings, Inc. (ESQ)
  • Horizon Bancorp, Inc. (HBNC)
  • Capitol Federal Financial, Inc. (CFFN)
  • Mercantile Bank Corporation (MBWM)
NBBK earnings history · NBBK institutional & insider holders · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-06-18.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.