NBBK (NB Bancorp) Institutional Ownership: 52.85% (As of Aug. 14, 2026)

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Director of Data and Quant Analytics at GuruFocus
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NBBK NB Bancorp Inc NBBK
35 GF Score
Price $22.94
GF Value $27.13
Valuation Modestly Undervalued
! 3 Warning Signs
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What is NB Bancorp Institutional Ownership?

NB Bancorp NBBK +0.24% 35 Institutional Ownership is 52.85% as of Aug. 14, 2026. GuruFocus rates NBBK with a GF Score™ of 35/100 and a GF Value™ of $27.13 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, NB Bancorp's institutional ownership is 52.85%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, NB Bancorp's Insider Ownership is 4.03%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, NB Bancorp's Float Percentage Of Total Shares Outstanding is 94.79%.

NB Bancorp Institutional Ownership Historical Data

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The historical data trend for NB Bancorp's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

NB Bancorp Institutional Ownership Chart

NB Bancorp Historical Data

The historical data trend for NB Bancorp can be seen below:

2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30 2026-07-31
Institutional Ownership 25.50 24.99 26.23 26.70 27.06 28.38 28.67 29.06 31.24 31.18
NBBK
35GF Score
NB Bancorp Inc NBBK
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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NB Bancorp Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 52.85% mean?
NB Bancorp (NBBK) has a Institutional Ownership of 52.85% as of Aug. 14, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on NB Bancorp and its competitors.
Is NB Bancorp's Institutional Ownership too high?
NB Bancorp's current Institutional Ownership is 52.85%. Overall, NB Bancorp has a GF Score™ of 35/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does NB Bancorp's Institutional Ownership compare to TRST and CPF?
NB Bancorp's Institutional Ownership of 52.85% can be compared against companies in the Banks industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for a Banks company?
A good Institutional Ownership depends on the Banks industry context. However, Institutional Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on NB Bancorp and its competitors. NB Bancorp's current Institutional Ownership is 52.85%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is NB Bancorp stock overvalued right now?
Based on GuruFocus' analysis, NB Bancorp (NBBK) is currently considered Modestly Undervalued. The stock's GF Value™ is $27.13, compared to a current price of $22.94 — trading 15.5% below its estimated fair value. The current Institutional Ownership is 52.85%. NB Bancorp's overall GF Score™ is 35/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For NB Bancorp (NBBK), the current Institutional Ownership is 52.85% as of Aug. 14, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is NB Bancorp (NBBK) Overvalued in 2026?

Based on GuruFocus' analysis, NB Bancorp stock appears to be undervalued. The current stock price of $22.94 is trading 15.5% below its estimated GF Value™ of $27.13. GuruFocus considers NB Bancorp to be Modestly Undervalued.

Key valuation signals for NBBK:

  • Institutional Ownership: 52.85%
  • GF Value™: $27.13 vs. price of $22.94 (15.5% below fair value)
  • GF Score™: 35/100 with 3 warning signs

No single metric tells the full story. See the NBBK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

NB Bancorp Business Description

Address 1063 Great Plain Avenue, Needham, MA, USA, 02492
NB Bancorp Inc operates as the holding company of Needham Bank. The group's business consists of taking deposits from the general public and investing those deposits, together with funds generated from operations, in commercial real estate and multifamily loans, one- to four-family residential real estate loans, construction and land development loans, commercial and industrial loans, consumer loans, and other related services.
35GF Score

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Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$22.94
Price
$27.13
GF Value