NASDAQ · Banks - Regional · USD

NB Bancorp, Inc. (NBBK) Stock Analysis

NB Bancorp, Inc. (NBBK) is a Banks - Regional stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

NBBK

$22.39

+$0.07 (+0.31%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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NBBK Key Statistics

As of Oct 21, 2026

Trading

Open: $22.36
Previous Close: $22.32
Day's Range: 22.22–22.43
52-Week Range: 17.16–23.47
Volume: 306.08K
Beta: 0.00

Valuation

Market Cap: $981.10M
P/E Ratio: 13.41
Forward P/E: 8.66
P/S ratio: 3.58
EPS (ttm): 1.67

Financials (FY)

Revenue (FY): $213.66M+22.96%
Net Income (FY): $50.30M+19.34%
Profit margin: 24.42%
Shares Outstanding: 43.82M
1-Year Return: +27.65%

Dividend and dates

Dividend: $0.28+1.25%
Ex-Dividend Date: October 29, 2026
Avg Volume: 316.24K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, NBBK closed at $22.39, +27.65% over 1 year.

NB Bancorp, Inc. (NBBK) has a market capitalization of $981.10M.

In fiscal 2025, NBBK reported revenue of $213.66M.

NBBK Stock Return by Calendar Year

NB Bancorp, Inc. (NBBK) return since Dec 2023: what $10,000 became

1 year: $10,000 $12,765; +27.65%
Since Dec 2023: $10,000 $16,549; +65.49%

If you had invested $10,000 in NB Bancorp, Inc. (NBBK) at the close on December 28, 2023, the earliest close on record here, it would have been worth $16,549 at the close on October 21, 2026: +65.49% in total, +19.60% a year, with dividends reinvested, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

−2.32%+34.28%+10.63%+14.06%

2023*202420252026*

Year	Return
2026 (partial year)	+14.06%
2025	+10.63%
2024	+34.28%
2023 (partial year)	−2.32%

As of October 21, 2026.

NBBK Revenue and Earnings by Fiscal Year

FY ends December

RevenueNet income

2022202320242025

Fiscal year	Revenue	Net income	Net margin
2025	$213.66M	$50.30M	23.5%
2024	$173.76M	$42.15M	24.3%
2023	$147.07M	$9.83M	6.7%
2022	$113.34M	$30.07M	26.5%

Fiscal year	Revenue	Gross profit	Operating income	Net income	Net margin
2025	$213.66M	—	—	$50.30M	23.5%
2024	$173.76M	—	—	$42.15M	24.3%
2023	$147.07M	—	—	$9.83M	6.7%
2022	$113.34M	—	—	$30.07M	26.5%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

NBBK Dividend History

$0.14

Dividends per share, 2025 · 2 payments

Year	Dividends per share	Payments	Change
2026*	$0.21	3	—
2025	$0.14	2	—

Most recent payment: $0.07 per share, ex-dividend August 5, 2026. Per-share amounts summed by calendar year from ex-dividend dates. Partial years are shown muted and marked with an asterisk.

NBBK Valuation vs Banks - Regional Median

Median of 326 stocks

Metric	NBBK	Banks - Regional median	vs median
P/E	13.41	12.03	11% above
P/S ratio	3.58	3.58	0% above
Profit margin	24.42%	29.44%	5.0 pts below

Medians across 326 Banks - Regional stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Analysis

Data-derived

Company Overview

NB Bancorp, Inc. (NBBK) carries a market capitalisation of $981.10M. It is classified in the Banks - Regional industry, within the Financial Services sector. Headcount on file is 526.

The most recent close on file for NBBK is $22.39, dated October 21, 2026. That is +$0.07 (+0.31%) against the previous close. The 52-week range on file runs from $17.16 to $23.47. The latest close sits 30.48% above that 52-week low.

Financial Health

In fiscal 2025, NB Bancorp, Inc. reported revenue of $213.66M. Against the prior fiscal year total of $173.76M, that is a change of +22.96%. The same year closed with net income of $50.30M. That is +19.34% against the prior fiscal year. The reported profit margin is 24.42%. That is 5 percentage points below the Banks - Regional median of 29.44%. Earnings per share on a trailing basis come to 1.67.

Across the 4 fiscal years on file, revenue moves from $113.34M in 2022 to $213.66M in 2025. Of those 4 years, 4 report positive net income.

Valuation Assessment

The trailing P/E ratio stands at 13.41. That is 11.47% above the Banks - Regional median of 12.03. The forward P/E on file is 8.66. Measured against sales, the shares trade at 3.58 times revenue. On price-to-sales that is 0% above the Banks - Regional median of 3.58. 326 Banks - Regional companies report these metrics, and the medians quoted come from that group.

The trailing one-year total return is +27.65%. The stored price history starts on December 28, 2023, and the total return since then is +65.49%. The reported beta is 0. Annualized volatility over the trailing 2 years is 27.29%.

Growth & Income

NBBK pays a dividend yielding 1.25%. That is 1.4 percentage points below the Banks - Regional median yield of 2.68%. The indicated annual rate is $0.28 a share. The ex-dividend date on file is October 29, 2026. Dividends are recorded for 2 calendar years; 2026 shows 3 payments totalling $0.21 a share. The year before, 2025, totalled $0.14 a share.

So far in 2026 the total return is +14.06%. Across the complete calendar years on file, 2024 returned +34.28% and 2025 returned +10.63%.

Peer Comparison

NB Bancorp, Inc. (NBBK) operates in the Banks - Regional industry. Here is how it compares to its closest peers by market capitalization:

Company	Ticker	Market Cap	P/E Ratio
NB Bancorp, Inc.	NBBK	$981.10M	13.4
Mizuho Financial Group, Inc.	MFG	$120.84B	13.7
HDFC Bank Limited	HDB	$116.51B	14.6
Itaú Unibanco Holding S.A.	ITUB	$106.91B	12.4

The Banks - Regional industry average P/E ratio is 12.0x. NB Bancorp, Inc. trades at a P/E of 13.4.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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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.

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