NB Bancorp, Inc. (NBBK) Interest Expense - Deposits (2022 - 2026)
NB Bancorp (NBBK) reported Interest Expense - Deposits of $40.69 million for Q2 2026, up 28.4% from $31.69 million a year earlier and up 2.8% from the prior quarter.
NB Bancorp, Inc. (NBBK) Interest Expense - Deposits (2022 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, NB Bancorp's Interest Expense - Deposits came in at $149.22 million, up 13.9% year-over-year; for FY2025, it was $132.88 million, up 4.7% from FY2024.
- Interest Expense - Deposits has increased for three consecutive years, with a three-year compound annual growth rate of 118.8% (FY2022 to FY2025).
- By year, Interest Expense - Deposits came in at $126.92 million in FY2024 (+66.1%), $76.39 million in FY2023 (+502.0%) and $12.69 million in FY2022.
- The Q2 2026 figure ranks as the highest quarterly Interest Expense - Deposits in data going back to Q3 2022.
- Year over year, Interest Expense - Deposits has now increased in each of the last three quarters, with growth averaging 20.3% over the last eight quarters.
- The high point for year-over-year Interest Expense - Deposits in five years was Q3 2023 (growth of 760.1%); the low point was Q3 2025 (a decline of 7.0%).
- Per Business Quant data, the three quarters before Q2 2026 came in at $39.58 million (Q1 2026), $37.68 million (Q4 2025) and $31.27 million (Q3 2025).
Peer Comparison
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 40.69 Mn |
| Mar 31, 2026 | 39.58 Mn |
| Dec 31, 2025 | 37.68 Mn |
| Sep 30, 2025 | 31.27 Mn |
| Jun 30, 2025 | 31.69 Mn |
| Mar 31, 2025 | 32.24 Mn |
| Dec 31, 2024 | 33.52 Mn |
| Sep 30, 2024 | 33.61 Mn |
| Jun 30, 2024 | 31.58 Mn |
| Mar 31, 2024 | 28.22 Mn |
| Dec 31, 2023 | 25.85 Mn |
| Sep 30, 2023 | 20.79 Mn |
| Jun 30, 2023 | 17.47 Mn |
| Mar 31, 2023 | 12.29 Mn |
| Dec 31, 2022 | 6.46 Mn |
| Sep 30, 2022 | 2.42 Mn |
NB Bancorp, Inc. Interest Expense - Deposits API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=interest-expense-deposits&ticker=NBBK&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-expense-deposits", "ticker": "NBBK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=interest-expense-deposits&ticker=NBBK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();