NB Bancorp, Inc.
NBBK Nasdaq Savings Institutions, Not Federally Chartered Financials FY2022–FY2025
Last close · Oct 23, 2026
$23.03
0.1%
Revenue
Total sales reported in the income statement.
$214M
23.0%
vs prior year
Efficiency ratio
Noninterest expense as a share of revenue. Lower is better for banks.
64.5%
5.2 pts
Net income
Profit after all expenses, interest and tax.
$50.3M
19.3%
Return on equity
Net income as a share of average shareholders' equity.
6.2%
0.7 pts
Market cap
Last close times the latest diluted share count, so it is approximate.
$921M
Oct 23 close
P/E
Last close divided by diluted earnings per share over the last four quarters.
15.3x
On $1.51 EPS (TTM)
What NB Bancorp, Inc. does
No business description yet.
- Legal name
- NB Bancorp, Inc.
- Fiscal year ends
- December 31, 2025
- Latest annual report
- 10-K · Mar 3, 2026
- Accession · CIK
- 0001104659-26-022367
0001979330
Revenue and margins
NB Bancorp, Inc. had $214M of revenue in fiscal 2025, up 23.0% on the year before.
FY22
Revenue $114M
FY23
Revenue $147M
FY24
Revenue $174M
FY25
Revenue $214M
Q3 '23
Revenue $36.6M
Q4 '23
Revenue $38.5M
Q1 '24
Revenue $42.1M
Q2 '24
Revenue $41.7M
Q3 '24
Revenue $42.6M
Q4 '24
Revenue $47.3M
Q1 '25
Revenue $47.4M
Q2 '25
Revenue $51.3M
Q3 '25
Revenue $51.7M
Q4 '25
Revenue $63.4M
Q1 '26
Revenue $69.4M
Q2 '26
Revenue $74.7M
FY22
Net interest share 92.2%
Efficiency ratio 62.3%
FY23
Net interest share 89.6%
Efficiency ratio 82.5%
FY24
Net interest share 92.8%
Efficiency ratio 59.3%
FY25
Net interest share 92.4%
Efficiency ratio 64.5%
Net interest share
Efficiency ratio
Q3 '23
Net interest share 91.4%
Efficiency ratio 63.0%
Q4 '23
Net interest share 91.6%
Efficiency ratio 137.3%
Q1 '24
Net interest share 91.7%
Efficiency ratio 60.7%
Q2 '24
Net interest share 92.9%
Efficiency ratio 62.9%
Q3 '24
Net interest share 97.0%
Efficiency ratio 57.7%
Q4 '24
Net interest share 89.8%
Efficiency ratio 56.3%
Q1 '25
Net interest share 91.8%
Efficiency ratio 60.5%
Q2 '25
Net interest share 91.7%
Efficiency ratio 57.3%
Q3 '25
Net interest share 93.1%
Efficiency ratio 58.7%
Q4 '25
Net interest share 92.7%
Efficiency ratio 78.2%
Q1 '26
Net interest share 93.5%
Efficiency ratio 61.5%
Q2 '26
Net interest share 92.6%
Efficiency ratio 58.9%
Net interest share
Efficiency ratio
Net income and earnings per share
Loss periods are shown in red.
FY22
Net income $30.1M
FY23
Net income $9.8M
FY24
Net income $42.1M
FY25
Net income $50.3M
Q3 '23
Net income $8.5M
Q4 '23
Net income −$13.6M
Q1 '24
Net income $8.7M
Q2 '24
Net income $9.5M
Q3 '24
Net income $8.4M
Q4 '24
Net income $15.6M
Q1 '25
Net income $12.7M
Q2 '25
Net income $14.6M
Q3 '25
Net income $15.4M
Q4 '25
Net income $7.7M
Q1 '26
Net income $15.0M
Q2 '26
Net income $21.1M
FY22
Diluted EPS —
FY23
Diluted EPS $0.23
FY24
Diluted EPS $1.07
FY25
Diluted EPS $1.34
Q3 '23
Diluted EPS —
Q4 '23
Diluted EPS —
Q1 '24
Diluted EPS $0.22
Q2 '24
Diluted EPS $0.24
Q3 '24
Diluted EPS $0.21
Q4 '24
Diluted EPS $0.40
Q1 '25
Diluted EPS $0.33
Q2 '25
Diluted EPS $0.39
Q3 '25
Diluted EPS $0.43
Q4 '25
Diluted EPS $0.19
Q1 '26
Diluted EPS $0.36
Q2 '26
Diluted EPS $0.53
Returns and efficiency
For banks, return on equity and the efficiency ratio (costs as a share of revenue) say most about how well the business runs.
FY22
ROE 8.7%
ROTE 8.7%
Efficiency ratio 62.3%
FY23
ROE 1.8%
ROTE 1.3%
Efficiency ratio 82.5%
FY24
ROE 5.5%
ROTE 5.5%
Efficiency ratio 59.3%
FY25
ROE 6.2%
ROTE 6.1%
Efficiency ratio 64.5%
ROE
ROTE
Efficiency ratio
Dividends, buybacks and share count
NB Bancorp, Inc. returned $82.7M to shareholders in fiscal 2025, 144% of free cash flow. The diluted share count fell 4.5%.
FY22
Dividends —
Buybacks —
FY23
Dividends —
Buybacks —
FY24
Dividends —
Buybacks —
FY25
Dividends $5.6M
Buybacks $77.1M
Dividends
Buybacks
Q3 '23
Dividends —
Buybacks —
Q4 '23
Dividends —
Buybacks —
Q1 '24
Dividends —
Buybacks —
Q2 '24
Dividends —
Buybacks —
Q3 '24
Dividends —
Buybacks —
Q4 '24
Dividends —
Buybacks —
Q1 '25
Dividends —
Buybacks $40.7M
Q2 '25
Dividends —
Buybacks $18.9M
Q3 '25
Dividends —
Buybacks $17.5M
Q4 '25
Dividends $2.8M
Buybacks $0.0M
Q1 '26
Dividends $3.2M
Buybacks $27.8M
Q2 '26
Dividends $3.1M
Buybacks $18.5M
Dividends
Buybacks
FY22
Diluted shares —
FY23
Diluted shares 0.04B
FY24
Diluted shares 0.04B
FY25
Diluted shares 0.04B
Balance sheet
Loans, deposits and capital at each fiscal year end.
FY22
Loans $3.0B
Deposits $2.9B
FY23
Loans $3.9B
Deposits $3.4B
FY24
Loans $4.3B
Deposits $4.2B
FY25
Loans $5.9B
Deposits $5.9B
Loans
Deposits
| Fiscal year end | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|
| Loans, net | $3.0B | $3.9B | $4.3B | $5.9B |
| Deposits | $2.9B | $3.4B | $4.2B | $5.9B |
| Loans / deposits | 103.6% | 113.9% | 102.8% | 100.8% |
| Total assets | $3.6B | $4.5B | $5.2B | $7.0B |
| Shareholders' equity | $344M | $758M | $765M | $859M |
| Goodwill | $0.0M | $0.0M | $0.0M | $18.5M |
| Intangible assets | — | — | $1.1M | $19.3M |
| Provision / loans | 0.2% | 0.4% | 0.3% | 0.1% |
Insider trades
Open-market purchases and sales by officers, directors and 10% owners, from Form 4 filings. “Plan” marks trades under a pre-arranged Rule 10b5-1 plan.
Bought, 12 months
$0.0M
0 insiders
Sold, 12 months
$0.0M
0 insiders
Of sales under plans
—
$0.0M
No open-market insider trades in the last 12 months.
4 years of figures
Amounts in USD. Hover a ratio’s name for its definition.
| Fiscal year | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|
| Income statement | ||||
| Revenue | $114M | $147M | $174M | $214M |
| Net interest income | $105M | $132M | $161M | $197M |
| Noninterest income | $8.9M | $15.4M | $12.6M | $16.2M |
| Noninterest expense | $71.3M | $121M | $103M | $138M |
| Provision for credit losses | $6.7M | $13.9M | $12.1M | $4.7M |
| Interest expense | $15.5M | $90.4M | $4.4M | $5.4M |
| Pretax income | $36.4M | $11.8M | $58.6M | $71.1M |
| Income tax | $6.3M | $2.0M | $16.5M | $20.8M |
| Net income | $30.1M | $9.8M | $42.1M | $50.3M |
| Diluted EPS | — | $0.23 | $1.07 | $1.34 |
| Diluted shares | — | 0.04B | 0.04B | 0.04B |
| Cash flow | ||||
| Cash from operations | $39.7M | $52.9M | $43.2M | $60.8M |
| Capital expenditure | $8.5M | $2.9M | $1.9M | $3.4M |
| Free cash flow | $31.2M | $50.0M | $41.3M | $57.4M |
| Depreciation and amortization | $2.4M | $2.7M | $2.8M | $3.0M |
| Stock-based compensation | — | — | — | $2.9M |
| Acquisitions | — | — | — | $48.1M |
| Share buybacks | — | — | — | $77.1M |
| Dividends paid | — | — | — | $5.6M |
| Dividends and buybacks | — | — | — | $82.7M |
| Balance sheet | ||||
| Cash and short-term investments | $157M | $273M | $364M | $408M |
| Loans, net | $3.0B | $3.9B | $4.3B | $5.9B |
| Deposits | $2.9B | $3.4B | $4.2B | $5.9B |
| Property and equipment, net | $35.3M | $35.5M | $34.7M | $46.2M |
| Goodwill | $0.0M | $0.0M | $0.0M | $18.5M |
| Intangible assets | — | — | $1.1M | $19.3M |
| Total assets | $3.6B | $4.5B | $5.2B | $7.0B |
| Total liabilities | $3.2B | $3.8B | $4.4B | $6.1B |
| Preferred stock | — | $0.0M | $0.0M | $0.0M |
| Shareholders' equity | $344M | $758M | $765M | $859M |
| Margins | ||||
| Net margin | 26.3% | 6.7% | 24.3% | 23.5% |
| FCF margin | 27.3% | 34.0% | 23.7% | 26.9% |
| Net interest share of revenue | 92.2% | 89.6% | 92.8% | 92.4% |
| Efficiency ratio | 62.3% | 82.5% | 59.3% | 64.5% |
| Returns | ||||
| Return on equity | 8.7% | 1.8% | 5.5% | 6.2% |
| Return on assets | 0.8% | 0.2% | 0.9% | 0.8% |
| Return on tangible equity | 8.7% | 1.3% | 5.5% | 6.1% |
| Growth | ||||
| Revenue growth | — | 28.6% | 18.1% | 23.0% |
| Net income growth | — | −67.3% | 329.0% | 19.3% |
| EPS growth | — | — | 365.2% | 25.2% |
| FCF growth | — | 60.3% | −17.6% | 39.1% |
| Share count change | — | — | −6.3% | −4.5% |
| Financial health | ||||
| Loans / deposits | 103.6% | 113.9% | 102.8% | 100.8% |
| Provision / loans | 0.2% | 0.4% | 0.3% | 0.1% |
| Capital allocation | ||||
| Capex / revenue | 7.4% | 1.9% | 1.1% | 1.6% |
| Stock comp / revenue | — | — | — | 1.4% |
| Payouts / FCF | — | — | — | 144.1% |
| Quality scores | ||||
| Accruals ratio | −0.3% | −1.1% | −0.0% | −0.2% |
Source: SEC EDGAR XBRL filings (CIK 0001979330). Data updated October 24, 2026. Quarterly fourth quarters are the full year minus the first nine months. For information only — not investment advice. Check the original filings before relying on any figure.