What is ZBIO's dilution risk score?

ZBIO has a latest available DilutionScore record of 25/100, categorized as low dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for ZBIO, including shelf registrations, ATM offerings, warrant exercises, PIPE deals, and reverse split signals when detected in source data.

What SEC filings does DilutionWatch track for ZBIO?

DilutionWatch tracks 25 SEC filing types for ZBIO including S-3 shelf registrations, 424B prospectuses (ATM offerings), S-1 registration statements, 8-K material events, warrant exercise notices, convertible note agreements, and Form 4 insider transactions. Alerts are delivered via email within minutes of a filing appearing on EDGAR.

How does stock dilution affect ZBIO shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For ZBIO, common dilution events include at-the-market (ATM) stock offerings, shelf registration drawdowns, warrant exercises, and convertible note conversions. Each event increases the share count and can pressure the stock price lower.

Is DilutionWatch free for ZBIO tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for ZBIO. Premium plans ($19.95/month Basic, $39.95/month Premium) unlock real-time email alerts, the full Pulse™ feed, advanced dilution forecasts, and access to all 10,000+ tracked tickers.

ZBIO Dilution Risk Score: 25/100 (LOW)

Score Breakdown

📋 Offering Ability

46

💰 Cash Runway

0

📊 Float Risk

35

⚠️ Warrant Exposure

40

🔄 Convertible Debt

15

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for ZBIO.

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Market Data

Market Cap$1.16B

Shares Outstanding65.18M

Float39.62M

Cash$643.13M

Debt$78.64M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 38.0% shares (2026Q1 vs prior)

140 institutional holders · 58.11M shares

#1 FMR LLC 9.08M shares

#2 SR One Capital Management, LP 5.04M shares

#3 NEA Management Company, LLC 4.02M shares

+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest11.75M

Days to Cover13.8

% of Float29.7%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2024-12-31

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual ZBIO Dilution Snapshot

Zenas BioPharma, Inc. (ZBIO) has a DilutionScore of 25/100, rated Low dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for ZBIO: xbrl on 2024-12-31.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.