What is LYEL's dilution risk score?

LYEL has a latest available DilutionScore record of 61/100, categorized as high dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for LYEL, 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 LYEL?

DilutionWatch tracks 25 SEC filing types for LYEL 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 LYEL shareholders?

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

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

LYEL Dilution Risk Score: 61/100 (HIGH)

Score Breakdown

📋 Offering Ability

62

💰 Cash Runway

40

📊 Float Risk

45

⚠️ Warrant Exposure

40

🔄 Convertible Debt

40

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 5%

📉 Score Deterioration model 10%

• Score in HIGH risk zone (61/100)

🔔 Track LYEL — Get forecast alerts →

Market Data

Market Cap$404.38M

Shares Outstanding24.51M

Float10.39M

Cash$204.10M

Debt$48.85M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 13.6% shares (2026Q1 vs prior)

77 institutional holders · 13.07M shares

#1 ARCH Venture Management, LLC 3.25M shares

#2 GSK plc 1.51M shares

#3 VANGUARD CAPITAL MANAGEMENT LLC 1.44M 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 Interest1.23M

Days to Cover8.7

% of Float11.8%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL WARRANT 2024-12-31

xbrl XBRL CONVERTIBLE 2021-12-31

Form 4 INSIDER TRANSACTION 2026-07-27

EFFECT EFFECT 2026-04-14

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual LYEL Dilution Snapshot

Lyell Immunopharma, Inc. (LYEL) has a DilutionScore of 61/100, rated High dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for LYEL: Form 4 on 2026-07-27; Form 4 on 2026-07-27; EFFECT on 2026-04-14.

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.