NB Bancorp, Inc.(NBBK)Stock Analysis
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Rank #870 of 2,962 stocksTOP 50%
Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.
Revenue Growth
Profitability
Balance Sheet
Earnings Quality
Free Cash Flow
Institutional Flow
Revenue Scale
Dilution Risk
NBBK Stock Analysis & AI Quality Score
Data updated 2026-09-11AI stock analysis and institutional research for NB Bancorp, Inc. (NBBK), a Financials sector company. 13F Pro's AI-powered ranking engine scores NBBK at 60.3/100 on a 32-signal composite quality model, placing it at rank #870 of 2,962 stocks — the top half of the AI-ranked universe. NBBK scores in the top quartile across revenue growth (87.4), free cash flow (84.1), profitability (77.5). Areas of concern include institutional flow (26.7) and revenue scale (27.4), which score below median versus the broader universe. Shareholder dilution risk is elevated at 48.7/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q2 2026), NB Bancorp, Inc. reports quarterly revenue of $74.7M, net income of $21.1M, free cash flow of $31.3M. Top institutional holders of NBBK by reported 13-F value include BlackRock, VANGUARD CAPITAL MANAGEMENT, AltraVue Capital, based on the most recent SEC filings. NBBK trades on the Nasdaq exchange and files with the SEC under CIK 1979330. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate NBBK daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for NB Bancorp, Inc. directly from SEC EDGAR. NB Bancorp, Inc.'s 13F Pro composite quality score has ranged between 35 and 60 since 2026, currently 60.3 — an improving long-term trajectory across 8 quarterly and live scoring snapshots.
Revenue
Q2 2026
$74.7M
Net Income
Q2 2026
$21.1M
Free Cash Flow
Q2 2026
$31.3M
ROIC
Q2 2026
13.1%
Revenue & Net Income
Earnings Per Share
Key Financials Over Time
Export Financial Table · ProRevenue
+23.0% YoYNet Income
+19.3% YoYEPS (Diluted)
+25.2% YoYTotal Assets
+35.8% YoYOp. Cash Flow
+40.8% YoYFree Cash Flow
+39.1% YoY| Metric | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 |
|---|---|---|---|---|---|
| Revenue | $213.7M +23.0% | $173.8M | — | $114.4M | — |
| Net Income | $50.3M +19.3% | $42.1M +329.0% | $9.8M -67.3% | $30.1M | — |
| EPS (Diluted) | $1.34 +25.2% | $1.07 +365.2% | $0.23 | — | — |
| Total Assets | $7.01B +35.8% | $5.16B +13.8% | $4.53B +26.2% | $3.59B | — |
| Operating Cash Flow | $60.8M +40.8% | $43.2M -18.4% | $52.9M +33.2% | $39.7M | — |
| Free Cash Flow | $57.4M +39.1% | $41.3M -17.6% | $50.0M +60.3% | $31.2M | — |
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13F Pro tracks comprehensive data for NB Bancorp, Inc. including:
Top Institutional Holders of NBBK
BlackRock, Inc.
$70.4M3,331,544 shVANGUARD CAPITAL MANAGEMENT LLC
$35.3M1,670,835 shAltraVue Capital, LLC
$35.0M1,655,108 shPertento Partners LLP
$31.2M1,475,770 shSTATE STREET CORP
$31.1M1,471,766 shGEODE CAPITAL MANAGEMENT, LLC
$24.4M1,153,217 shDIMENSIONAL FUND ADVISORS LP
$15.9M753,320 shGOLDMAN SACHS GROUP INC
$12.1M571,954 shTieton Capital Management, LLC
$11.6M546,600 shHOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
$10.6M501,172 sh
| Fund | Value | Shares |
|---|---|---|
| BlackRock, Inc. | $70.4M | 3,331,544 |
| VANGUARD CAPITAL MANAGEMENT LLC | $35.3M | 1,670,835 |
| AltraVue Capital, LLC | $35.0M | 1,655,108 |
| Pertento Partners LLP | $31.2M | 1,475,770 |
| STATE STREET CORP | $31.1M | 1,471,766 |
| GEODE CAPITAL MANAGEMENT, LLC | $24.4M | 1,153,217 |
| DIMENSIONAL FUND ADVISORS LP | $15.9M | 753,320 |
| GOLDMAN SACHS GROUP INC | $12.1M | 571,954 |
| Tieton Capital Management, LLC | $11.6M | 546,600 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $10.6M | 501,172 |
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Similarity is computed from the 8 composite sub-scores and latest-quarter 13F conviction holdings (index-style filers excluded). Refreshed monthly.
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Popular Research
Is NBBK a good stock to buy?
13F Pro's AI-powered analysis of NB Bancorp, Inc. (NBBK) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Financials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for NBBK are available on the NBBK stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. NBBK is classified as a small company.
Which hedge funds own NBBK?
Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling NBBK. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of NB Bancorp, Inc.'s investment landscape.