What is PBYI's dilution risk score?

PBYI has a latest available DilutionScore record of 26/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for PBYI, 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 PBYI?

DilutionWatch tracks 25 SEC filing types for PBYI 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 PBYI shareholders?

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

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

PBYI Dilution Risk Score: 26/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

40

💰Cash Runway—

📊 Float Risk

30

⚠️ Warrant Exposure

40

🔄 Convertible Debt

40

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for PBYI.

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Market Data

Market Cap$364.95M

Shares Outstanding51.62M

Float39.09M

Cash$93.90M

Debt$11.28M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 16.6% shares (2026Q1 vs prior)

158 institutional holders · 41.95M shares

#1 ACORN CAPITAL ADVISORS, LLC 4.13M shares

#2 VANGUARD CAPITAL MANAGEMENT LLC 3.64M shares

#3 BlackRock, Inc. 3.60M 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 Interest4.13M

Days to Cover13.9

% of Float10.6%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2013-12-31

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual PBYI Dilution Snapshot

Puma Biotechnology, Inc. (PBYI) has a DilutionScore of 26/100, rated Medium dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for PBYI: xbrl on 2013-12-31.

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.