What is IBIO's dilution risk score?

IBIO has a latest available DilutionScore record of 66/100, categorized as high dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for IBIO, 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 IBIO?

DilutionWatch tracks 25 SEC filing types for IBIO 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 IBIO shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For IBIO, 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 IBIO tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for IBIO. 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.

IBIO Dilution Risk Score: 66/100 (HIGH)

Score Breakdown

📋 Offering Ability

100

💰 Cash Runway

25

📊 Float Risk

35

⚠️ Warrant Exposure

50

🔄 Convertible Debt

40

Dilution Forecast

⛅

Watch

Minor dilution signals detected

model est. 33%

💰 Capital Raise model 38%

• Active shelf registration ($200M, 212% of market cap)

• Active ATM program with $100M remaining capacity

🔄 Reverse Split model est. 30%

• 50-day avg $1.85 approaching $1 threshold

📜 Warrant Exercise model 25%

• Significant warrants: 19% of shares outstanding

🔔 Track IBIO — Get forecast alerts →

Market Data

Market Cap$94.39M

Shares Outstanding49.68M

Float39.32M

Cash$47.63M

DebtN/A

Short InterestN/A

Institutional Holdings

QoQ: ↑ 25.0% shares (2026Q1 vs prior)

53 institutional holders · 20.93M shares

#1 Affinity Asset Advisors, LLC 3.11M shares

#2 VANGUARD CAPITAL MANAGEMENT LLC 2.18M shares

#3 Frazier Life Sciences Management, L.P. 1.95M 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 Interest5.11M

Days to Cover7.0

% of Float13.0%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL WARRANT 2026-06-30

xbrl XBRL CONVERTIBLE 2024-06-30

424B3 ATM 2026-04-29

8-K/A 8K EVENT 2026-04-17

8-K 8K EVENT 2026-04-08

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual IBIO Dilution Snapshot

iBio, Inc. (IBIO) has a DilutionScore of 66/100, rated High dilution risk. Score date: August 28, 2026.

Stored shelf registration capacity: $200.0M.
Stored ATM program remaining capacity: $100.0M.
Stored outstanding warrants: 9.6M.
Recent SEC activity tracked for IBIO: xbrl on 2026-06-30; 424B3 on 2026-04-29; 8-K/A on 2026-04-17.

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.