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NB Bancorp, Inc. key statistics and ratios

In fiscal 2025, NB Bancorp, Inc. had return on equity of 6.2% and a net margin of 23.5%. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Fiscal year2022Dec 20222023Dec 20232024Dec 20242025Dec 2025LTMJun 2026
Net margin26.3%6.7%24.3%23.5%22.8%
Return on equity8.7%1.8%5.5%6.2%7.0%
Return on assets0.8%0.2%0.9%0.8%0.8%
Effective tax rate17.4%17.0%28.1%29.3%28.4%
Dividends ÷ net income———11.1%—

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Moat

Not assessed: fewer than five years of comparable figures in the filings. AI disruption exposure for this industry: Medium.

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

Compare with peers

Head to head: NBBK vs ORRFEQBK vs NBBKNBBK vs NRIM

More: Regional Banks stocks compared, Financials sector, rankings of US companies

Figures from NB Bancorp, Inc.'s SEC filings (10-K and 10-Q), retrieved October 29, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to NB Bancorp, Inc.