NB Bancorp, Inc. (NBBK) Stock Analysis
Financial Services · Banks - Regional · NasdaqCM
NB Bancorp, Inc. (NBBK) posted $213.66M in revenue for fiscal 2025 (up 23.0% year over year), at a 23.5% net margin, and has compounded revenue about 23.5%/yr over five years, per its SEC filings.
Data last refreshed September 3, 2026 from SEC filings · how we compute this
The analyst's take on NB Bancorp, Inc.
NB Bancorp, Inc. has grown revenue from $113.34M to $213.66M over the last 4 fiscal years, compounding about 23.5% a year. The most recent year was up 23%, roughly in line with its longer-run pace.
Net margin sits at 23.5%, down 0.8 points year over year. It carries about $196.24M of total debt.
At today's valuation the market is pricing in roughly 4.3% annual free-cash-flow growth. It clears 5 of 6 deterministic health checks. The one thing worth a second look in the filings is heavy debt load.
Synthesised from NB Bancorp, Inc.'s SEC filings — descriptive, not advice. Ask the analyst your own question →
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NB Bancorp, Inc. revenue & earnings — last 4 fiscal years
| Metric | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Revenue | $113.34M | $147.07M | $173.76M | $213.66M |
| Gross profit | — | — | — | — |
| Net income | $30.07M | $9.82M | $42.15M | $50.30M |
| Net margin | 26.5% | 6.7% | 24.3% | 23.5% |
Source: NB Bancorp, Inc. SEC filings (10-K).
NB Bancorp, Inc. financial health: 5 of 6 checks passed
- ✓Revenue CAGR over 3 yrs (23.5%/yr)
- ✓Net margin above 10% (23.5%)
- ✓More cash than total debt (cash 594.7M vs debt 365.2M)
- ✓Free cash flow positive (latest yr) (57.4M)
- ✗Share count falling over 3 yrs (buybacks) (42.7M → 45.8M shares)
- ✓Pays a dividend (1 consecutive yrs in our data)
Checks computed deterministically from filed annual statements — no AI judgement.
NB Bancorp, Inc.: 1 potential red flag in the filings
Patterns in the filed statements worth a second look — computed and cited, not AI guesswork, and not a signal to sell. The kind of thing that hides in a 10-K.
- Heavy debt loadTotal debt of $365.2M is 6.0× last year's operating cash flow — it would take years of cash flow to clear.
What growth is priced into NBBK stock?
At today's market cap of $890.52M, NB Bancorp, Inc. is priced for free-cash-flow growth of about 4.3% per year for 10 years (assuming a 10% discount rate and 2.5% terminal growth, base FCF $57.38M from the FY ending 2025-12-31). This is a reverse DCF — a translation of the price into a growth assumption you can judge, not a fair value and not advice. Change the assumptions yourself in the interactive view →
Explore 4 years of NB Bancorp, Inc. financials — interactive
Full income statement, balance sheet and cash flow with CAGR and trend on every row, 48 quarters, valuation ratios, plain-English health checks, and Ask — our SEC-grounded research assistant.
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NB Bancorp, Inc. financial history
About NB Bancorp, Inc.
NB Bancorp, Inc. focuses on operating as a bank holding company for Needham Bank that provides various banking products and services in the Greater Boston metropolitan area and surrounding communities in the United States. The company offers various deposits, including certificate of deposit, individual retirement, money market, savings, NOW, demand deposit, and interest-bearing and noninterest-bearing checking accounts; and commercial real estate and multifamily residential loans, one- to four-family residential real estate, mortgage warehouse loans, construction and land development, commercial and industrial, and consumer loans, as well as home equity loans and lines of credit. It also invests in securities consisting of U.S. treasury and federal agency securities, government-sponsored residential mortgage-backed securities, corporate bonds, SBA securities and municipal bonds. NB Bancorp, Inc. was founded in 1892 and is based in Needham, Massachusetts.
NB Bancorp, Inc. — frequently asked questions
What is NB Bancorp, Inc.'s revenue?
NB Bancorp, Inc. (NBBK) reported revenue of $213.66M for fiscal year 2025, up 23.0% from the prior year, according to its SEC filings.
Is NB Bancorp, Inc. profitable?
Yes. NBBK earned net income of $50.30M in fiscal 2025, a net margin of 23.5%.
What is NBBK's P/E ratio?
NB Bancorp, Inc. trades at a price-to-earnings ratio of about 14.8 based on the latest data in our nightly-refreshed cache.
How fast is NB Bancorp, Inc. growing?
NBBK's revenue grew at roughly 23.5% per year over the last five fiscal years (compound annual growth rate), computed from SEC-filed statements.
Does NB Bancorp, Inc. pay a dividend?
Yes, NBBK pays a dividend — the yield is about 1.37%.
How much debt does NB Bancorp, Inc. have?
As of fiscal year 2025, NBBK carried roughly $196.24M in total debt (short- plus long-term borrowings), per its filed balance sheet.
What is NB Bancorp, Inc.'s market cap?
NB Bancorp, Inc. (NBBK) has a market capitalization of about $890.52M, based on the latest data in our nightly-refreshed cache.
When does NB Bancorp, Inc.'s fiscal year end?
NBBK's fiscal year ends in December. Its most recent annual filing covers the fiscal year ending 2025-12-31.
What growth is priced into NBBK stock?
At today's market cap of $890.52M, NB Bancorp, Inc. is priced for free-cash-flow growth of about 4.3% per year for 10 years (assuming a 10% discount rate and 2.5% terminal growth, base FCF $57.38M from the FY ending 2025-12-31).
Where does this data come from?
All figures are computed from NB Bancorp, Inc.'s official SEC filings (10-K and 10-Q), covering 4 years of history, refreshed nightly. stockportfolio.pro does not provide investment advice.