NB Bancorp, Inc. Common Stock (NBBK) Stock Price History
Historical prices from 2023 to 2026
- 1M
- +3.8%
- 3M
- +1.4%
- YTD
- +7.6%
- 1Y
- +23.0%
- 3Y
- +15.1%
- 5Y
- +8.8%
Loading 10-year price history...
NBBK Historical Performance
NBBK Annual Returns
Year-by-year price performance · 2023–2026
- 2023 annual price return
- -2.3%
- 2024 annual price return
- +32.9%
- 2025 annual price return
- +11.7%
- 2026 annual price return
- +9.3%
NBBK Stock Price Trajectory (2023–2026)
As of June 24, 2026, NB Bancorp, Inc. Common Stock (NBBK) trades at $21.01, representing a +23.0% return over the past year. The stock has delivered a +54.6% total return over five years (+8.8% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $22.86 on April 17, 2026. From this peak, NBBK has corrected -8.1%, currently trading 5% above its 200-day moving average, indicating continued institutional support.
When compared to Financial Services sector peers NBTB (+18.5% 1Y), INDB (+33.7% 1Y), and EGBN (+52.7% 1Y), NBBK has underperformed the peer group average. Compare NBBK vs NBTB →
NBBK Historical Price Data · from 2023
Rows 1–50 of 624| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-24 | 20.69 | 21.18 | 20.69 | 21.01 | 274K | +1.40% |
| 2026-06-23 | 20.38 | 20.75 | 20.26 | 20.72 | 324K | +2.07% |
| 2026-06-22 | 20.14 | 20.48 | 20.14 | 20.30 | 234K | +0.84% |
| 2026-06-18 | 20.36 | 20.38 | 20.13 | 20.13 | 313K | -0.15% |
| 2026-06-17 | 20.42 | 20.56 | 19.93 | 20.16 | 308K | -1.18% |
| 2026-06-16 | 20.46 | 20.63 | 20.19 | 20.40 | 161K | +0.64% |
| 2026-06-15 | 20.69 | 20.76 | 20.23 | 20.27 | 74K | -1.70% |
| 2026-06-12 | 20.56 | 20.74 | 20.40 | 20.62 | 174K | +0.88% |
| 2026-06-11 | 20.62 | 20.62 | 20.18 | 20.44 | 248K | -0.34% |
| 2026-06-10 | 20.32 | 20.63 | 20.29 | 20.51 | 142K | +1.23% |
| 2026-06-09 | 20.14 | 20.58 | 20.14 | 20.26 | 209K | +1.10% |
| 2026-06-08 | 19.98 | 20.16 | 19.86 | 20.04 | 122K | +0.55% |
| 2026-06-05 | 19.99 | 20.11 | 19.84 | 19.93 | 174K | +0.10% |
| 2026-06-04 | 19.65 | 20.01 | 19.65 | 19.91 | 121K | +2.84% |
| 2026-06-03 | 19.96 | 19.96 | 19.35 | 19.36 | 183K | -3.30% |
| 2026-06-02 | 19.62 | 20.09 | 19.58 | 20.02 | 221K | +1.68% |
| 2026-06-01 | 19.73 | 19.84 | 19.46 | 19.69 | 104K | -1.70% |
| 2026-05-29 | 19.92 | 20.11 | 19.92 | 20.03 | 155K | +0.30% |
| 2026-05-28 | 19.98 | 20.03 | 19.72 | 19.97 | 134K | -0.50% |
| 2026-05-27 | 20.30 | 20.40 | 19.94 | 20.07 | 153K | -0.84% |
| 2026-05-26 | 19.83 | 20.24 | 19.80 | 20.24 | 201K | +2.33% |
| 2026-05-22 | 19.93 | 20.00 | 19.74 | 19.78 | 185K | -0.50% |
| 2026-05-21 | 19.80 | 19.98 | 19.61 | 19.88 | 252K | +0.15% |
| 2026-05-20 | 19.52 | 19.95 | 19.50 | 19.85 | 150K | +1.69% |
| 2026-05-19 | 19.32 | 19.58 | 19.32 | 19.52 | 163K | +0.26% |
| 2026-05-18 | 19.23 | 19.50 | 19.22 | 19.47 | 146K | +1.56% |
| 2026-05-15 | 19.56 | 19.58 | 19.11 | 19.17 | 210K | -2.29% |
| 2026-05-14 | 19.77 | 19.99 | 19.62 | 19.62 | 237K | -0.51% |
| 2026-05-13 | 19.86 | 19.98 | 19.61 | 19.72 | 257K | -1.69% |
| 2026-05-12 | 20.07 | 20.13 | 19.70 | 20.06 | 331K | -0.25% |
| 2026-05-11 | 20.19 | 20.24 | 20.01 | 20.11 | 292K | -0.05% |
| 2026-05-08 | 20.33 | 20.45 | 20.03 | 20.12 | 276K | -1.05% |
| 2026-05-07 | 20.49 | 20.71 | 20.27 | 20.33 | 300K | -0.72% |
| 2026-05-06 | 20.35 | 20.59 | 20.13 | 20.48 | 514K | +1.64% |
| 2026-05-05 | 19.88 | 20.21 | 19.85 | 20.15 | 103K | +1.51% |
| 2026-05-04 | 19.75 | 20.16 | 19.63 | 19.85 | 367K | -0.40% |
| 2026-05-01 | 19.64 | 20.03 | 19.50 | 19.93 | 353K | +1.53% |
| 2026-04-30 | 19.44 | 19.88 | 19.44 | 19.63 | 391K | +0.36% |
| 2026-04-29 | 19.80 | 19.90 | 19.46 | 19.56 | 370K | -2.10% |
| 2026-04-28 | 20.17 | 20.30 | 19.73 | 19.98 | 350K | +0.55% |
| 2026-04-27 | 19.66 | 20.06 | 19.65 | 19.87 | 674K | +0.25% |
| 2026-04-24 | 18.88 | 19.83 | 18.88 | 19.82 | 1.02M | +3.44% |
| 2026-04-23 | 18.53 | 19.91 | 18.51 | 19.16 | 1.04M | -10.68% |
| 2026-04-22 | 21.62 | 21.77 | 21.34 | 21.45 | 269K | -0.63% |
| 2026-04-21 | 22.17 | 22.36 | 21.52 | 21.59 | 332K | -2.99% |
| 2026-04-20 | 22.50 | 22.59 | 22.21 | 22.25 | 211K | -1.11% |
| 2026-04-17 | 22.58 | 22.86 | 22.38 | 22.50 | 419K | +1.12% |
| 2026-04-16 | 22.28 | 22.53 | 22.18 | 22.25 | 153K | -0.85% |
| 2026-04-15 | 22.59 | 22.59 | 22.27 | 22.44 | 170K | -0.41% |
| 2026-04-14 | 22.34 | 22.64 | 22.11 | 22.53 | 265K | +0.81% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
NBBK — Frequently Asked Questions
Quick answers to the most common questions about buying NBBK stock.
How has NBBK stock performed recently?
NBBK returned +23.0% over the past year, beating its 5-year annualized CAGR of +8.8%. The stock trades above its 200-day moving average, confirming the uptrend.
What is NBBK's all-time high price?
NB Bancorp, Inc. Common Stock reached $22.86 on 2026-04-17. The 52-week high is $22.86. Current 1-year return of +23.0% places the stock closer to historical peaks.
Where can I download NBBK historical price data?
This page provides NBBK daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2023-2026, downloadable in CSV format.