NBBK · NASDAQ
NB Bancorp (NBBK) Stock Price & Fundamentals
NB Bancorp (NBBK) closed at $404.05 on Oct 9, 2026, down 0.43% from the previous close of $405.79.
Share price, past year
1Y +14.68%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $404.05 |
| Sep 30, 2026 | $404.67 |
| Aug 31, 2026 | $383.64 |
| Jul 31, 2026 | $358.23 |
| Jun 30, 2026 | $370.20 |
| May 29, 2026 | $368.70 |
| Apr 30, 2026 | $357.20 |
| Mar 31, 2026 | $368.62 |
| Feb 27, 2026 | $364.37 |
| Jan 30, 2026 | $361.59 |
| Dec 31, 2025 | $343.72 |
| Nov 28, 2025 | $348.33 |
| Oct 31, 2025 | $349.04 |
Key statistics
- Market cap
- $17.70B
- P/E (TTM)
- 267.6
- EPS (TTM)
- $1.51
- Revenue (TTM)
- $259.05M
- Net income (TTM)
- $59.18M
- Shares outstanding
- 43.8M
- Dividend yield
- —
- 52-week range
- $338.79 – $405.79
NB Bancorp's market cap is $17.70B, based on a share price of $404.05 and 43.8M shares outstanding as of Jun 30, 2026.
Financials
NB Bancorp reported revenue (net interest income plus fees and other income) of $213.66M for fiscal 2025, up 22.96% from fiscal 2024.
NB Bancorp earned net income of $50.30M in fiscal 2025, a net margin of 23.5%.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Dec 31, 2025 | $213.66M | +23.0% | $50.30M | 23.5% | $1.34 | $57.38M |
| FY2024ended Dec 31, 2024 | $173.76M | +18.1% | $42.15M | 24.3% | $1.07 | $41.25M |
| FY2023ended Dec 31, 2023 | $147.07M | +28.6% | $9.83M | 6.7% | $0.23 | $50.03M |
| FY2022ended Dec 31, 2022 | $114.41M | — | $30.07M | 26.3% | — | $31.22M |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q2 FY2026ended Jun 30, 2026 | $74.70M | $21.12M | $0.53 |
| Q1 FY2026ended Mar 31, 2026 | $69.38M | $14.98M | $0.36 |
| Q4 FY2025ended Dec 31, 2025 | $63.24M | $7.71M | $0.19 |
| Q3 FY2025ended Sep 30, 2025 | $51.73M | $15.36M | $0.43 |
| Q2 FY2025ended Jun 30, 2025 | $51.29M | $14.58M | $0.39 |
| Q1 FY2025ended Mar 31, 2025 | $47.41M | $12.66M | $0.33 |
| Q4 FY2024ended Dec 31, 2024 | $47.33M | $15.61M | $0.40 |
| Q3 FY2024ended Sep 30, 2024 | $42.59M | $8.38M | $0.21 |
Company profile
- Name
- NB Bancorp, Inc.
- Ticker
- NBBK
- Exchange
- NASDAQ
- Industry (SEC SIC)
- Savings Institutions, Not Federally Chartered
- Headquarters
- 1063 Great Plain Avenue, Needham, MA 02492
- Fiscal year ends
- December
- SEC CIK
- 0001979330
Recent SEC filings
- Aug 7, 2026
- Jul 22, 2026
- May 21, 2026
- May 13, 2026
- May 8, 2026
- Apr 29, 2026
- Apr 22, 2026
- Mar 3, 2026
Frequently asked questions
What is NB Bancorp's stock price?
NB Bancorp (NBBK) closed at $404.05 on Oct 9, 2026, down 0.43% from the previous close of $405.79.
What is NB Bancorp's market cap?
NB Bancorp's market cap is $17.70B, based on a share price of $404.05 and 43.8M shares outstanding as of Jun 30, 2026.
How much revenue does NB Bancorp make?
NB Bancorp reported revenue (net interest income plus fees and other income) of $213.66M for fiscal 2025, up 22.96% from fiscal 2024.
What is NBBK's P/E ratio?
NB Bancorp's price-to-earnings ratio is 267.6, based on trailing twelve-month diluted EPS of $1.51.
Does NB Bancorp pay a dividend?
NB Bancorp's recent filings report no dividends declared over the last four quarters.
Sources and methodology
Fundamentals come from NB Bancorp, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures