27 /100
MEDIUM RISK
Score updated Jul 13, 2026

NBBK — NB Bancorp, Inc. Dilution Risk Tracker

Track NBBK dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of July 13, 2026, NB Bancorp, Inc. (NBBK) has a DilutionWatch DilutionScore of 27/100, rated MEDIUM dilution risk. NB Bancorp, Inc. has a market capitalization of $878.24M, 44.71M shares outstanding, 176 institutional holders tracked. Key dilution vectors include approximately 999 months of cash runway.

Source: DilutionWatch (dilutionwatch.com) — data updated daily from SEC EDGAR filings. Not financial advice.

📊 Score Breakdown

📋 Offering Ability
40
💰 Cash Runway
0
📊 Float Risk
10
⚠️ Warrant Exposure
40
🔄Convertible Debt

🌦️ Dilution Forecast

☀️
Clear
No significant dilution signals
0%
No significant dilution signals detected for NBBK.
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💹 Market Data

Market Cap$878.24M
Shares Outstanding44.71M
Float36.91M
Cash$375.36M
Debt$210.95M
Short InterestN/A

🏛 Institutional Holdings

QoQ: ↑ 15.7% shares (2026Q1 vs prior)
176 institutional holders · 26.46M shares
#1 VANGUARD CAPITAL MANAGEMENT LLC 3.41M shares
#2 BlackRock, Inc. 3.08M shares
#3 Pertento Partners LLP 2.21M shares
+ 17 more holders Sign up free to view →

📉 Short Interest

Short Interest1.72M
Days to Cover5.0
% of Float4.7%
FINRA data as of Jun 30, 2026

📁 Recent SEC Activity

4 INSIDER TRANSACTION Apr 27, 2026
4 INSIDER TRANSACTION Apr 27, 2026
4 INSIDER TRANSACTION Apr 27, 2026
4 INSIDER TRANSACTION Apr 27, 2026
4 INSIDER TRANSACTION Apr 27, 2026
Full SEC filing analysis available with free account

📰 Recent News

No recent news

📋 What This Means for NBBK Shareholders

NB Bancorp, Inc. (NBBK) has a DilutionScore of 27/100, rated Medium dilution risk. This tier indicates some dilution exposure — often an older shelf registration with remaining capacity, warrants not yet exercised, or a cash position that will require monitoring over the next several quarters. Score as of July 13, 2026.

DilutionWatch's EDGAR monitoring for NBBK shows no major active dilution programs at this time. The primary risk categories — shelf registration capacity, ATM programs, warrant overhang, and cash runway — are each within normal ranges for a company of this profile. This can change quickly if a new S-3 or Form S-1 is filed.

DilutionWatch tracks over 25 SEC filing types for NBBK in real-time, scanning EDGAR every 60 seconds. The DilutionWatch screener shows real-time score changes for NBBK alongside comparable medium-risk stocks. Not financial advice — this analysis is for informational purposes only.

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