NASDAQ: NBBK
Nb Bancorp Inc Stock

$21.06+0.16 (+0.77%)
Updated Dec 12, 2025
NBBK Price
$21.06
Fair Value Price
N/A
Market Cap
$838.74M
52 Week Low
$15.09
52 Week High
$21.18
P/E
13.59x
P/B
1.14x
P/S
3.3x
PEG
0.88x
Dividend Yield
0.66%
Revenue
$189.48M
Earnings
$58.21M
Gross Margin
100%
Operating Margin
39.86%
Profit Margin
30.7%
Debt to Equity
6.38
Operating Cash Flow
$82M
Beta
0.69
Next Earnings
Jan 21, 2026
Ex-Dividend
N/A
Next Dividend
N/A

NBBK Overview

NB Bancorp, Inc. focuses on operating as a bank holding company for Needham Bank that provides various banking products and services in Greater Boston metropolitan area and surrounding communities in Massachusetts, eastern Connecticut, southern New Hampshire, and Rhode Island. 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, one- to four-family residential real estate, 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, municipal bonds, and corporate bonds. The company was founded in 1892 and is based in Needham, Massachusetts.

Zen Rating

Our proven quant model uses 115 proprietary factors, including AI, to determine NBBK's potential to beat the market

CHold
  • Stocks with a Zen Rating of Hold (C) had an average return of +7.53% per year. Learn More

Zen Rating Component Grades

C
Zen Rating uses advanced AI algorithms that detect subtle patterns in market data; it anticipates future trends that point to superior stock price results.

Industry: Bank

Industry Rating
D
NBBK
Ranked
#151 of 275

Top Ranked Stocks in Industry

View Top Bank Stocks

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NBBK News

Overview

Due Diligence Score

Industry Average (36)
You've viewed Due Diligence Score for 10/10 free stocks. Upgrade to Premium to see how NBBK scored across 38 valuation, financial, forecast, performance, and dividend due diligence checks.

Due Diligence Checks

NBBK ($21.06) is trading above its intrinsic value of $17.85, according to an updated version of Benjamin Graham's Formula from Chapter 11 of "The Intelligent Investor"
Below Benjamin Graham Formula Value Valuation
NBBK is good value based on its earnings relative to its share price (13.59x), compared to the US market average (45x)
P/E vs Market Valuation
NBBK is good value based... subscribe to Premium to read more.
P/E vs Industry Valuation
There are 35 more NBBK due diligence checks available for Premium users.

Valuation

NBBK price to earnings (PE)

For valuing profitable companies with steady earnings

Company
13.59x
Industry
16.18x
Market
45x
NBBK is good value based... subscribe to Premium to read more.
P/E vs Industry Valuation
NBBK is good value based... subscribe to Premium to read more.
P/E vs Market Valuation

NBBK price to book (PB)

For valuing companies that are loss-making or have lots of physical asset

Company
1.14x
Industry
1.29x
NBBK is good value based... subscribe to Premium to read more.
P/B vs Industry Valuation

NBBK price to earnings growth (PEG)

For valuing profitable companies with growth potential

NBBK is good value based... subscribe to Premium to read more.
PEG Value Valuation

NBBK's financial health

Profit margin

Revenue
$50.3M
Net Income
$15.4M
Profit Margin
30.5%
NBBK's Earnings (EBIT) of $75.53M... subscribe to Premium to read more.
Interest Coverage Financials
NBBK's profit margin has increased... subscribe to Premium to read more.
Profit Margin Growth Financials

Assets to liabilities

Assets
$5.4B
Liabilities
$4.7B
Debt to equity
6.38
NBBK's debt to equity ratio... subscribe to Premium to read more.
Healthy Debt to Equity Financials

Cash flow

Operating
$24.2M
Investing
-$179.1M
Financing
$191.6M
NBBK's operating cash flow ($81.65M)... subscribe to Premium to read more.
Debt Coverage Financials

NBBK vs Bank Stocks

TickerZen RatingMarket Cap1d %P/EP/B
NBBKC$838.74M+0.77%13.59x1.14x
HBTC$835.46M+0.99%10.72x1.39x
AMTBC$845.12M-0.05%11.98x0.89x
MOFG$848.63M-1.51%12.28x1.40x
MCBC$823.12M-0.70%13.69x1.12x

Nb Bancorp Stock FAQ

What is Nb Bancorp's quote symbol?

(NASDAQ: NBBK) Nb Bancorp trades on the NASDAQ under the ticker symbol NBBK. Nb Bancorp stock quotes can also be displayed as NASDAQ: NBBK.

If you're new to stock investing, here's how to buy Nb Bancorp stock.

What is the 52 week high and low for Nb Bancorp (NASDAQ: NBBK)?

(NASDAQ: NBBK) Nb Bancorp's 52-week high was $21.18, and its 52-week low was $15.09. It is currently -0.57% from its 52-week high and 39.53% from its 52-week low.

How much is Nb Bancorp stock worth today?

(NASDAQ: NBBK) Nb Bancorp currently has 39,826,446 outstanding shares. With Nb Bancorp stock trading at $21.06 per share, the total value of Nb Bancorp stock (market capitalization) is $838.74M.

Nb Bancorp stock was originally listed at a price of $13.77 in Dec 28, 2023. If you had invested in Nb Bancorp stock at $13.77, your return over the last 1 years would have been 52.94%, for an annualized return of 52.94% (not including any dividends or dividend reinvestments).

How much is Nb Bancorp's stock price per share?

(NASDAQ: NBBK) Nb Bancorp stock price per share is $21.06 today (as of Dec 12, 2025).

What is Nb Bancorp's Market Cap?

(NASDAQ: NBBK) Nb Bancorp's market cap is $838.74M, as of Dec 15, 2025.

Market cap (market capitalization) is the total market value of a publicly traded company's outstanding shares.

Nb Bancorp's market cap is calculated by multiplying NBBK's current stock price of $21.06 by NBBK's total outstanding shares of 39,826,446.
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