NB Bancorp, Inc. (NBBK:NASDAQ) closed at $23.03 on October 23, 2026, down 0.09% on the day. The stock trades 1.9% below its 52-week high of $23.47 and 34.2% above its 52-week low of $17.16. Over the past year, it gained 28.9%. NB Bancorp, Inc. is part of the Finance sector.
In 252 trading sessions since October 23, 2025, NBBK closed higher on 129 days (51%). Its best day was July 23, 2026 (+5.69%) and its worst was April 23, 2026 (-10.68%). The stock moved 10% or more in a single session 1 time.
NB Bancorp, Inc. (NASDAQ Capital Market: NBBK) is the holding company for Needham Bank. Founded in 1892, Needham Bank has been helping to build futures for over 130 years throughout Eastern Massachusetts. Over the decades, Needham Bank has established a widespread reputation as "the Builder's Bank" because of our highly regarded expertise in serving area home builders, investors, and developers quickly and efficiently.
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Based on end-of-day data. For information only, not investment advice.