NB Bancorp, Inc. (NBBK) stock
NBBKNasdaqSavings Institutions, Not Federally CharteredFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 4, 2026Score 14/302% above fair value
$21.87−0.04 (-0.18%)
Close on Nov 13, 2026Market cap $958.31MP/E 13.1Yield –
NB Bancorp statistics
81 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- Jan 21, 2027 (estimated, after the close)
- Last ex-dividend date
- Oct 29, 2026
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 13, 2026
Valuation ratiosIndustry
- P/TBV Ratio
- 1.16
- 1.52
- P/OCF Ratio
- 7.30
- 9.82
Enterprise valuationIndustry
- EV / Sales
- 2.44
- 2.95
- EV / FCF
- 5.71
- 8.49
Share statisticsIndustry
- Shares Change (YoY)
- 5.77%
- 0.33%
- Shares Change (QoQ)
- 0.00%
- 0.00%
- Float
- 42M
- 17M
- Shares Held by Insiders
- 4.90%
- 6.05%
- Shares Held by Institutions
- 51.5%
- 61.3%
Short sellingIndustry
- Short Interest
- 2M
- –
- Short Interest Change
- -19.4%
- -4.13%
- Short % of Float
- 3.61%
- 3.58%
- Short % of Shares Outstanding
- 3.43%
- 3.18%
- Days to Cover
- 4.43
- 4.85
Stock price statisticsIndustry
- 52-Week High
- $23.47
- –
- 52-Week Low
- $18.11
- –
- 20-Day Moving Average
- $22.36
- –
- 50-Day Moving Average
- $22.47
- –
- 200-Day Moving Average
- $21.58
- –
- Average True Range (14)
- $0.60
- –
- Price Change (1 Week)
- -1.00%
- 0.69%
- Price Change (1 Month)
- -2.24%
- 3.79%
- Price Change (3 Months)
- -4.54%
- -2.72%
- Price Change (6 Months)
- 14.1%
- 12.2%
- Price Change (YTD)
- 10.3%
- 19.9%
- Price Change (1 Year)
- 18.5%
- 25.7%
- Average Volume (10 Days)
- 224,244
- –
- Average Volume (20 Days)
- 277,222
- –
- Average Volume (90 Days)
- 295,175
- –
- Relative Volume
- 0.75
- 0.68
- Relative Strength Index (14)
- 42.8
- 53.1
- Volatility (1 Year)
- 25.5%
- 24.4%
- Beta (5 Years)
- 0.82
- 0.63
MarginsIndustry
- Pretax Margin
- 32.4%
- 37.0%
- FCF Margin
- 42.8%
- 33.9%
Returns on capitalIndustry
- Return on Equity (ROE)
- 8.40%
- 10.7%
- Return on Assets (ROA)
- 1.02%
- 1.16%
GrowthIndustry
- Revenue Growth (YoY)
- 43.2%
- 11.7%
- Net Income Growth (YoY)
- 15.0%
- 22.6%
- EPS Growth (YoY)
- 7.74%
- 21.6%
- FCF Growth (YoY)
- 50.5%
- 27.2%
- Revenue Growth (3Y CAGR)
- 23.1%
- 5.82%
EfficiencyIndustry
- Asset Turnover
- 0.04
- 0.04
- Revenue Per Employee
- $828.79K
- $358.92K
- Profits Per Employee
- $195.75K
- $110.51K
- Employee Count
- 342
- 492
- WACC
- 9.18%
- 8.13%
Income statement (TTM)Industry
- Pretax Income
- $91.75M
- $74.07M
Balance sheetIndustry
- Net Cash (Debt)
- $266.06M
- $165.09M
- Net Cash Per Share
- $6.07
- $8.07
- Equity (Book Value)
- $857.40M
- $570.13M
- Book Value Per Share
- $19.57
- $28.12
- Tangible Book Value
- $824.26M
- $478.27M
Cash flow (TTM)Industry
- Capital Expenditures
- -$9.96M
- -$4.24M
- FCF Per Share
- $2.77
- $3.37
Dividends and yieldsIndustry
- Earnings Yield
- 6.99%
- 8.29%
- FCF Yield
- 12.7%
- 9.18%
- Buyback Yield
- 4.83%
- 1.82%
- Shareholder Yield
- 4.83%
- 3.26%
- Payout Ratio
- 18.1%
- 28.5%
- FCF Payout Ratio
- 10.0%
- 24.8%
Taxes and interestIndustry
- Income Tax
- $24.80M
- $16.14M
- Effective Tax Rate
- 27.0%
- 21.1%
Scores and fair valueIndustry
- Graham Number
- $27.12
- $45.07
- Graham Upside
- 24.0%
- 18.8%
- Altman Z-Score
- 0.21
- 0.22
- Piotroski F-Score
- 6
- 6
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.
| Period | NBBK | S&P 500 | Difference | NBBK per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -1.3% | -3.0% | +1.8 pts | ||
| 3 months | -4.2% | -2.8% | −1.4 pts | ||
| Year to date | +11.8% | +11.5% | +0.3 pts | ||
| 1 year | +16.5% | +13.5% | +3.0 pts |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
2M NBBK shares were sold short on Oct 30, 2026, down 19.4% from the previous report, or 3.61% of the shares available to trade. At recent volumes it would take 4.4 days to buy them back. Over the last 20 sessions, 51.3% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 1,503,229 | -19.4% | 339,557 | 4.4 |
| Oct 15, 2026 | 1,866,052 | +3.3% | 200,479 | 9.3 |
| Sep 30, 2026 | 1,806,942 | +7.3% | 278,691 | 6.5 |
| Sep 15, 2026 | 1,684,193 | +16.2% | 258,869 | 6.5 |
| Aug 31, 2026 | 1,449,345 | -9.4% | 321,157 | 4.5 |
| Aug 14, 2026 | 1,599,676 | -4.1% | 317,711 | 5.0 |
| Jul 31, 2026 | 1,668,898 | -9.0% | 412,338 | 4.0 |
| Jul 15, 2026 | 1,833,785 | +6.4% | 193,629 | 9.5 |
| Jun 30, 2026 | 1,723,780 | -1.5% | 346,511 | 5.0 |
| Jun 15, 2026 | 1,749,732 | +0.2% | 185,055 | 9.5 |
| May 29, 2026 | 1,746,816 | -0.8% | 185,803 | 9.4 |
| May 15, 2026 | 1,761,011 | +3.6% | 305,638 | 5.8 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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