NB Bancorp Stock Price History
NASDAQ: NBBKFinanceBanksUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
NBBK price history at a glance
The price history for NB Bancorp (NBBK) on this page begins on December 25, 2023, when the stock closed at $13.45; it most recently closed at $22.12 on October 5, 2026. The highest price in this record is $23.47, reached on August 3, 2026; the latest close is 5.8% below that peak. Over roughly 3 years the share price changed +64.5%, a 19.6% compound annual price return (excluding dividends).
In the last 12 months alone, NBBK has gained 27.5%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2023
- $23.47
- Date of high
- Aug 3, 2026
- Low since 2023
- $13.10
- Date of low
- Jan 1, 2024
- 52-week high
- $23.47
- 52-week low
- $16.84
- IPO year
- 2023
- Last close
- $22.12
NBBK returns
1 week
-1.99%
1 month
-3.32%
3 months
+5.23%
6 months
-1.25%
Year to date
+11.60%
1 year
+27.49%
NBBK price return, excluding dividends.
NBBK annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 22.12 | +13.26% |
| 2025 | 19.53 | +9.41% |
| 2024 | 17.85 | +32.71% |
| 2023* | 13.45 | 0.00% |
* Partial year: the record begins after the start of 2023; return measured from the first available close.
2026 return is year to date.
NBBK daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 22.55 | 22.55 | 22.12 | 22.12 | -1.91% | |
| 22.26 | 22.60 | 22.17 | 22.55 | +1.26% | |
| 22.13 | 22.41 | 22.08 | 22.27 | -0.85% | |
| 22.54 | 22.63 | 22.32 | 22.46 | +0.22% | |
| 22.53 | 22.69 | 22.27 | 22.41 | -0.71% | |
| 22.53 | 22.77 | 22.30 | 22.57 | +1.35% | |
| 22.02 | 22.28 | 21.70 | 22.27 | +0.68% | |
| 22.27 | 22.34 | 22.03 | 22.12 | -0.67% | |
| 22.56 | 22.65 | 22.05 | 22.27 | -1.29% | |
| 22.47 | 22.69 | 22.33 | 22.56 | -0.18% | |
| 22.54 | 22.72 | 22.43 | 22.60 | +0.44% | |
| 22.47 | 22.67 | 22.24 | 22.50 | +0.49% | |
| 22.75 | 22.80 | 22.33 | 22.39 | -1.71% | |
| 22.85 | 23.00 | 22.60 | 22.78 | +0.18% | |
| 22.81 | 23.02 | 22.65 | 22.74 | -0.18% | |
| 22.56 | 22.80 | 22.31 | 22.78 | +0.53% | |
| 23.11 | 23.17 | 22.62 | 22.66 | -0.31% | |
| 22.75 | 22.87 | 22.41 | 22.73 | -0.48% | |
| 22.78 | 22.93 | 22.58 | 22.84 | -0.22% | |
| 22.69 | 23.25 | 22.69 | 22.89 | +0.44% | |
| 23.25 | 23.25 | 22.61 | 22.79 | -0.33% | |
| 22.78 | 22.98 | 22.57 | 22.87 | -0.07% | |
| 22.82 | 23.03 | 22.69 | 22.88 | -0.50% | |
| 23.05 | 23.16 | 22.78 | 23.00 | -0.71% | |
| 22.79 | 23.21 | 22.79 | 23.16 | +0.83% | |
| 22.75 | 22.97 | 22.70 | 22.97 | +1.64% | |
| 22.13 | 22.80 | 22.11 | 22.60 | +2.54% | |
| 22.22 | 22.39 | 21.98 | 22.04 | -1.30% | |
| 22.43 | 22.45 | 22.12 | 22.33 | -0.58% | |
| 22.40 | 22.75 | 21.33 | 22.46 | +0.45% | |
| 22.23 | 22.44 | 21.81 | 22.36 | +0.27% | |
| 22.39 | 22.52 | 22.15 | 22.30 | -0.58% | |
| 22.51 | 22.53 | 22.27 | 22.43 | -0.36% | |
| 22.03 | 22.58 | 21.96 | 22.51 | +2.41% | |
| 22.08 | 22.34 | 21.75 | 21.98 | 0.00% | |
| 21.73 | 22.05 | 21.53 | 21.98 | +0.37% | |
| 22.65 | 22.71 | 21.88 | 21.90 | -3.69% | |
| 22.92 | 23.00 | 22.62 | 22.74 | -0.74% | |
| 22.89 | 23.00 | 22.78 | 22.91 | -0.30% | |
| 22.87 | 23.02 | 22.87 | 22.98 | +0.39% | |
| 22.97 | 23.20 | 22.75 | 22.89 | +0.18% | |
| 23.30 | 23.30 | 22.69 | 22.85 | +0.44% | |
| 22.63 | 22.78 | 22.57 | 22.75 | +0.75% | |
| 22.45 | 22.68 | 22.28 | 22.58 | 0.00% | |
| 22.68 | 22.80 | 22.40 | 22.58 | -0.75% | |
| 23.20 | 23.34 | 22.70 | 22.75 | -1.43% | |
| 23.34 | 23.34 | 22.94 | 23.08 | -1.03% | |
| 23.13 | 23.42 | 22.96 | 23.32 | +0.87% | |
| 23.25 | 23.47 | 22.94 | 23.12 | +0.48% | |
| 22.70 | 23.01 | 22.51 | 23.01 | +1.19% | |
| 22.65 | 22.99 | 22.44 | 22.74 | +0.35% | |
| 23.05 | 23.28 | 22.62 | 22.66 | -1.69% | |
| 22.43 | 23.25 | 22.41 | 23.05 | +2.76% | |
| 22.50 | 22.62 | 22.18 | 22.43 | 0.00% | |
| 22.43 | 22.57 | 22.18 | 22.43 | +0.63% | |
| 22.09 | 22.74 | 21.82 | 22.29 | +5.69% | |
| 21.01 | 21.10 | 20.70 | 21.09 | +0.24% | |
| 20.87 | 21.11 | 20.69 | 21.04 | +0.29% | |
| 21.25 | 21.28 | 20.86 | 20.98 | -1.41% | |
| 21.42 | 21.60 | 21.17 | 21.28 | -1.66% | |
| 21.19 | 21.78 | 21.10 | 21.64 | +2.32% | |
| 20.91 | 21.26 | 20.91 | 21.15 | +1.29% | |
| 21.01 | 21.16 | 20.85 | 20.88 | -0.67% | |
| 21.00 | 21.20 | 20.94 | 21.02 | 0.00% | |
| 21.01 | 21.15 | 20.74 | 21.02 | +0.05% | |
| 20.51 | 21.01 | 20.35 | 21.01 | +2.99% | |
| 20.72 | 20.84 | 20.29 | 20.40 | -2.16% | |
| 21.12 | 21.21 | 20.85 | 20.85 | -0.86% | |
| 21.07 | 21.54 | 20.98 | 21.03 | -0.52% | |
| 21.68 | 21.94 | 21.07 | 21.14 | -2.22% | |
| 21.14 | 21.65 | 21.03 | 21.62 | +2.32% | |
| 21.18 | 21.25 | 20.56 | 21.13 | -0.28% | |
| 21.28 | 21.28 | 20.90 | 21.19 | -0.52% | |
| 21.22 | 21.38 | 21.00 | 21.30 | +0.80% | |
| 20.95 | 21.19 | 20.88 | 21.13 | +0.57% | |
| 20.69 | 21.18 | 20.69 | 21.01 | +1.40% | |
| 20.34 | 20.76 | 20.25 | 20.72 | +2.07% | |
| 20.14 | 20.48 | 20.14 | 20.30 | +0.84% | |
| 20.36 | 20.38 | 20.13 | 20.13 | -0.15% | |
| 20.35 | 20.56 | 19.93 | 20.16 | -1.18% | |
| 20.46 | 20.63 | 20.19 | 20.40 | +0.64% | |
| 20.69 | 20.76 | 20.23 | 20.27 | -1.70% | |
| 20.56 | 20.74 | 20.40 | 20.62 | +0.88% | |
| 20.62 | 20.67 | 20.18 | 20.44 | -0.34% | |
| 20.39 | 20.63 | 20.29 | 20.51 | +1.23% | |
| 20.14 | 20.58 | 20.14 | 20.26 | +1.10% | |
| 19.98 | 20.16 | 19.86 | 20.04 | +0.55% | |
| 19.90 | 20.19 | 19.86 | 19.93 | +0.10% | |
| 19.65 | 20.01 | 19.65 | 19.91 | +2.84% | |
| 19.96 | 19.96 | 19.35 | 19.36 | -3.30% | |
| 19.62 | 20.09 | 19.58 | 20.02 | +1.68% | |
| 19.89 | 19.89 | 19.47 | 19.69 | -1.70% | |
| 19.92 | 20.11 | 19.90 | 20.03 | +0.30% | |
| 19.98 | 20.03 | 19.72 | 19.97 | -0.50% | |
| 20.30 | 20.40 | 19.94 | 20.07 | -0.84% | |
| 19.84 | 20.25 | 19.80 | 20.24 | +2.33% | |
| 19.93 | 20.00 | 19.74 | 19.78 | -0.50% | |
| 19.80 | 19.98 | 19.61 | 19.88 | +0.15% | |
| 19.52 | 19.95 | 19.50 | 19.85 | +1.69% | |
| 19.47 | 19.58 | 19.32 | 19.52 | +0.26% | |
| 19.23 | 19.51 | 19.22 | 19.47 | +1.56% | |
| 19.56 | 19.58 | 19.12 | 19.17 | -2.29% | |
| 19.72 | 19.99 | 19.62 | 19.62 | -0.51% | |
| 19.86 | 19.98 | 19.61 | 19.72 | -1.69% | |
| 20.07 | 20.13 | 19.70 | 20.06 | -0.25% | |
| 20.17 | 20.24 | 20.01 | 20.11 | -0.05% | |
| 20.33 | 20.45 | 20.03 | 20.12 | -0.98% | |
| 20.49 | 20.71 | 20.27 | 20.32 | -0.78% | |
| 20.19 | 20.59 | 20.13 | 20.48 | +1.64% | |
| 19.88 | 20.20 | 19.85 | 20.15 | +1.51% | |
| 19.75 | 20.16 | 19.63 | 19.85 | -0.40% | |
| 19.64 | 20.03 | 19.50 | 19.93 | +1.53% | |
| 19.44 | 19.88 | 19.44 | 19.63 | +0.36% | |
| 19.80 | 19.90 | 19.46 | 19.56 | -2.10% | |
| 20.17 | 20.30 | 19.73 | 19.98 | +0.55% | |
| 19.66 | 20.06 | 19.65 | 19.87 | +0.25% | |
| 18.88 | 19.84 | 18.77 | 19.82 | +3.44% | |
| 18.53 | 19.91 | 18.51 | 19.16 | -10.68% | |
| 21.62 | 21.77 | 21.34 | 21.45 | -0.63% | |
| 22.17 | 22.48 | 21.52 | 21.59 | -2.99% | |
| 22.47 | 22.59 | 22.21 | 22.25 | -1.11% | |
| 22.58 | 22.86 | 22.38 | 22.50 | +1.12% | |
| 22.38 | 22.53 | 22.18 | 22.25 | -0.85% | |
| 22.54 | 22.56 | 22.27 | 22.44 | -0.53% | |
| 22.30 | 22.64 | 22.11 | 22.56 | +0.94% | |
| 22.23 | 22.42 | 22.15 | 22.35 | -0.22% | |
| 22.60 | 22.75 | 22.25 | 22.40 | -1.06% | |
| 22.13 | 22.69 | 21.89 | 22.64 | +2.03% | |
| 22.19 | 22.49 | 22.12 | 22.19 | +1.56% | |
| 21.73 | 21.95 | 21.65 | 21.85 | +0.09% | |
| 21.61 | 21.89 | 21.54 | 21.83 | +1.02% | |
| 21.25 | 21.62 | 21.04 | 21.61 | +1.69% | |
| 21.07 | 21.48 | 20.77 | 21.25 | +0.85% | |
| 20.98 | 21.18 | 20.75 | 21.07 | +1.89% | |
| 20.55 | 20.74 | 20.43 | 20.68 | +1.37% | |
| 20.60 | 20.61 | 20.26 | 20.40 | -1.88% | |
| 20.54 | 20.85 | 20.54 | 20.79 | +0.43% | |
| 20.93 | 21.08 | 20.56 | 20.70 | -0.10% | |
| 20.54 | 20.84 | 20.51 | 20.72 | +0.14% | |
| 20.92 | 21.25 | 20.68 | 20.69 | +1.12% | |
| 20.71 | 20.80 | 20.27 | 20.46 | -0.68% | |
| 20.05 | 20.68 | 19.99 | 20.60 | +2.33% | |
| 20.52 | 20.59 | 20.10 | 20.13 | -2.80% | |
| 21.06 | 21.21 | 20.64 | 20.71 | -1.19% | |
| 21.01 | 21.28 | 20.86 | 20.96 | +0.67% | |
| 21.18 | 21.18 | 20.77 | 20.82 | -1.23% | |
| 20.56 | 21.14 | 20.41 | 21.08 | +0.76% | |
| 21.05 | 21.20 | 20.50 | 20.92 | -1.60% | |
| 20.93 | 21.64 | 20.93 | 21.26 | +1.67% | |
| 20.74 | 21.15 | 20.10 | 20.91 | -0.57% | |
| 20.71 | 21.04 | 20.54 | 21.03 | -0.85% | |
| 21.33 | 21.47 | 20.95 | 21.21 | -1.76% | |
| 21.78 | 22.04 | 21.52 | 21.59 | 0.00% | |
| 21.18 | 21.75 | 21.04 | 21.59 | +0.09% | |
| 21.03 | 21.87 | 20.71 | 21.57 | +1.08% | |
| 21.94 | 22.30 | 21.20 | 21.34 | -3.92% | |
| 22.23 | 22.62 | 21.87 | 22.21 | -0.09% | |
| 21.86 | 22.25 | 21.76 | 22.23 | +2.21% | |
| 21.39 | 21.78 | 21.20 | 21.75 | +1.59% | |
| 22.12 | 22.20 | 21.08 | 21.41 | -3.34% | |
| 21.85 | 22.26 | 21.70 | 22.15 | +1.56% | |
| 21.78 | 22.00 | 21.53 | 21.81 | -0.14% | |
| 22.23 | 22.50 | 21.78 | 21.84 | -1.97% | |
| 22.18 | 22.64 | 22.06 | 22.28 | +0.72% | |
| 21.69 | 22.20 | 21.47 | 22.12 | +2.31% | |
| 21.84 | 22.02 | 21.44 | 21.62 | +0.09% | |
| 22.02 | 22.12 | 21.10 | 21.60 | -1.50% | |
| 22.00 | 22.31 | 21.81 | 21.93 | -0.32% | |
| 22.39 | 22.57 | 21.99 | 22.00 | -1.65% | |
| 22.41 | 22.51 | 22.31 | 22.37 | +0.86% | |
| 22.27 | 22.42 | 22.11 | 22.18 | -0.67% | |
| 22.07 | 22.42 | 22.04 | 22.33 | +1.92% | |
| 22.14 | 22.70 | 21.77 | 21.91 | -0.63% | |
| 21.79 | 22.31 | 21.44 | 22.05 | +1.52% | |
| 21.34 | 21.84 | 21.30 | 21.72 | +1.26% | |
| 21.17 | 21.62 | 21.16 | 21.45 | +1.61% | |
| 21.06 | 21.78 | 20.99 | 21.11 | +0.48% | |
| 20.58 | 21.06 | 20.47 | 21.01 | +2.24% | |
| 20.33 | 20.69 | 20.14 | 20.55 | +0.74% | |
| 20.75 | 21.29 | 20.37 | 20.40 | -1.26% | |
| 20.48 | 20.90 | 20.48 | 20.66 | +0.93% | |
| 19.62 | 20.48 | 19.62 | 20.47 | +4.44% | |
| 19.49 | 19.68 | 19.49 | 19.60 | -0.71% | |
| 20.13 | 20.22 | 19.55 | 19.74 | -2.33% | |
| 19.93 | 20.31 | 19.93 | 20.21 | +1.25% | |
| 19.77 | 19.98 | 19.63 | 19.96 | +0.96% | |
| 19.86 | 19.93 | 19.66 | 19.77 | -0.50% | |
| 19.80 | 19.92 | 19.61 | 19.87 | -0.05% | |
| 20.00 | 20.14 | 19.70 | 19.88 | -0.55% | |
| 19.57 | 20.24 | 19.57 | 19.99 | +1.42% | |
| 19.95 | 20.01 | 19.59 | 19.71 | -1.25% | |
| 19.85 | 20.01 | 19.70 | 19.96 | +0.05% | |
| 19.51 | 20.19 | 19.51 | 19.95 | +2.15% | |
| 19.86 | 20.53 | 19.37 | 19.53 | -1.46% | |
| 20.06 | 20.12 | 19.75 | 19.82 | -1.00% | |
| 20.38 | 20.70 | 20.01 | 20.02 | -1.81% | |
| 20.61 | 20.89 | 20.30 | 20.39 | -1.02% | |
| 20.75 | 20.84 | 20.54 | 20.60 | -0.91% | |
| 20.81 | 20.88 | 20.66 | 20.79 | -0.19% | |
| 20.85 | 21.12 | 20.82 | 20.83 | -0.48% | |
| 21.12 | 21.41 | 20.91 | 20.93 | -0.99% | |
| 21.29 | 21.43 | 20.72 | 21.14 | -1.17% | |
| 21.30 | 21.58 | 21.18 | 21.39 | +0.85% | |
| 21.10 | 21.28 | 21.04 | 21.21 | +0.52% | |
| 21.01 | 21.24 | 20.74 | 21.10 | +0.43% | |
| 21.24 | 21.24 | 20.83 | 21.01 | -0.24% | |
| 21.06 | 21.14 | 20.93 | 21.06 | +0.77% | |
| 20.90 | 21.18 | 20.88 | 20.90 | -0.05% | |
| 20.60 | 20.99 | 20.56 | 20.91 | +1.55% | |
| 20.37 | 20.73 | 20.37 | 20.59 | +0.93% | |
| 20.24 | 20.63 | 20.11 | 20.40 | +0.84% | |
| 20.06 | 20.30 | 20.04 | 20.23 | +0.40% | |
| 20.22 | 20.35 | 19.65 | 20.15 | -0.84% | |
| 19.93 | 20.35 | 19.93 | 20.32 | +1.96% | |
| 19.96 | 20.16 | 19.90 | 19.93 | +0.05% | |
| 19.47 | 19.93 | 19.27 | 19.92 | +1.68% | |
| 19.87 | 19.87 | 19.54 | 19.59 | -0.91% | |
| 19.67 | 19.97 | 19.55 | 19.77 | -0.15% | |
| 19.44 | 19.97 | 19.44 | 19.80 | +2.48% | |
| 19.40 | 19.44 | 19.16 | 19.32 | -0.41% | |
| 18.73 | 19.63 | 18.73 | 19.40 | +3.47% | |
| 18.55 | 19.15 | 18.52 | 18.75 | +2.68% | |
| 18.83 | 18.97 | 18.11 | 18.26 | -3.13% | |
| 18.79 | 19.07 | 18.55 | 18.85 | -0.21% | |
| 19.03 | 20.63 | 18.74 | 18.89 | -2.07% | |
| 18.89 | 19.39 | 18.72 | 19.29 | +1.42% | |
| 18.57 | 19.42 | 18.57 | 19.02 | +3.09% | |
| 18.49 | 18.72 | 18.42 | 18.45 | -0.32% | |
| 18.31 | 18.52 | 18.25 | 18.51 | +1.04% | |
| 18.52 | 18.70 | 18.24 | 18.32 | -1.08% | |
| 18.20 | 18.55 | 17.91 | 18.52 | +1.81% | |
| 18.19 | 18.36 | 18.05 | 18.19 | -0.33% | |
| 17.74 | 18.28 | 17.74 | 18.25 | +2.53% | |
| 17.67 | 17.85 | 17.54 | 17.80 | +0.34% | |
| 17.77 | 17.95 | 17.16 | 17.74 | -1.83% | |
| 18.12 | 18.28 | 17.88 | 18.07 | -0.28% | |
| 17.92 | 18.19 | 17.78 | 18.12 | +1.40% | |
| 18.00 | 18.43 | 17.84 | 17.87 | -1.05% | |
| 18.00 | 18.14 | 17.62 | 18.06 | +0.11% | |
| 18.05 | 18.41 | 17.83 | 18.04 | +1.01% | |
| 18.44 | 18.47 | 17.78 | 17.86 | -2.24% | |
| 18.14 | 18.92 | 18.07 | 18.27 | +2.07% | |
| 17.87 | 18.05 | 17.79 | 17.90 | +0.67% | |
| 17.79 | 17.90 | 17.25 | 17.78 | -0.39% | |
| 17.42 | 17.88 | 17.30 | 17.85 | +3.06% | |
| 17.15 | 17.39 | 17.11 | 17.32 | +1.46% | |
| 17.54 | 17.54 | 16.92 | 17.07 | -2.90% | |
| 17.89 | 17.90 | 17.44 | 17.58 | -1.46% | |
| 17.10 | 17.87 | 17.10 | 17.84 | +3.42% | |
| 17.08 | 17.27 | 16.84 | 17.25 | +2.25% | |
| 17.36 | 17.58 | 16.85 | 16.87 | -2.77% | |
| 17.52 | 17.68 | 17.27 | 17.35 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the NBBK chart for longer ranges.