NB Bancorp, Inc. Financials, FR Y-9C Data and Filings
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NB Bancorp, Inc. is a bank holding company based in Massachusetts with $7.45B in total consolidated assets as of June 30, 2026, according to its FR Y-9C filing with the Federal Reserve. It owns 1 bank that files a call report: Needham Bank ($7.42B in assets). Its shares trade under the ticker NBBK, and it files with the SEC under CIK 1979330: see its SEC filings and 8-K events.
Key Financials FR Y-9C, consolidated, as of June 30, 2026
- Total assets
- $7.45B
- Total deposits
- $6.32B
- Total equity
- $842.0M
- Net income (Q2 2026)
- $21.1M
- ROA
- 1.17%
- ROE
- 10.03%
- Net interest margin
- 3.99%
- CET1 ratio
- 11.95%
- Total loans
- $6.48B
- Efficiency ratio
- 57.73%
- Equity / assets
- 11.31%
- Tier 1 leverage ratio
- 11.26%
- Total capital ratio
- 12.76%
- Employees (FTE)
- 541
Source: FR Y-9C for June 30, 2026, consolidated across the holding company's banks and nonbank subsidiaries. Net income is for Q2 2026 alone; ROA, ROE and net interest margin annualize that quarter, and the margin is tax-equivalent, on average earning assets. Deposits add domestic and foreign-office deposits (Schedule HC, item 13). Capital ratios are as filed on Schedule HC-R (CET1: BHCAP793). Bank-level figures in the tables below come from each bank's own call report.
Bank Subsidiaries 1 bank held directly or through another holding company
| Bank | Charter | State | Total assets (call report) | Share of bank assets | Held through |
|---|---|---|---|---|---|
| Needham Bank | State Member Bank | MA | $7.42B | 100.0% | Held directly |
Questions About NB Bancorp, Inc.
What are NB Bancorp, Inc.'s total assets?
NB Bancorp, Inc. reported $7.45B in total consolidated assets as of June 30, 2026, according to its FR Y-9C filing with the Federal Reserve.
How many banks does NB Bancorp, Inc. own?
NB Bancorp, Inc. owns 1 bank that files a call report: Needham Bank.
Who owns Needham Bank?
Needham Bank is owned by NB Bancorp, Inc. The bank reported $7.42B in total assets on its latest call report.
Where can I find NB Bancorp, Inc.'s FR Y-9C?
NB Bancorp, Inc. files the FR Y-9C with the Federal Reserve every quarter. The reports are public on the FFIEC National Information Center under RSSD ID 5860236. This page summarizes the FR Y-9C for Q2 2026.
Does NB Bancorp, Inc. file with the SEC?
Yes. NB Bancorp, Inc. files with the SEC under Central Index Key (CIK) 1979330 and trades under the ticker NBBK.
Filing Details fiscal year and SEC registration
- Fiscal year end
- December 31
- Ticker
- NBBK
- SEC CIK
- 1979330
- SEC filings
- Filings and 8-K events
Organization Map select + to expand a subsidiary's own holdings
- NB Bancorp, Inc.Holding Company MA RSSD 5860236$7.45B
- State Member Bank MA RSSD 339773$7.42B
-
Direct Subsidiaries 1 active direct subsidiary
| Entity | Type | State | Total Assets | Share of bank subsidiary assets |
|---|---|---|---|---|
| Needham Bank · 339773 | State Member Bank | MA | $7.42B | 100.0% |
Share of bank subsidiary assets divides each bank's total assets by the combined assets of the bank subsidiaries listed. Nonbank subsidiaries are not counted.
Regulator records: FFIEC NIC profile (RSSD 5860236)