What is VRTX's dilution risk score?

VRTX has a latest available DilutionScore record of 9/100, categorized as low dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for VRTX, 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 VRTX?

DilutionWatch tracks 25 SEC filing types for VRTX 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 VRTX shareholders?

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

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

VRTX Dilution Risk Score: 9/100 (LOW)

Score Breakdown

📋 Offering Ability

💰Cash Runway—

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for VRTX.

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Market Data

Market Cap$128.50B

Shares Outstanding253.46M

Float253.02M

Cash$7.85B

Debt$105.00M

Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

Field	Current Value	Basis
DilutionScore	9/100	DilutionWatch score record
Shares Outstanding	253.46M	Verified float table or market cache
Public Float	253.02M	Verified float table or market cache
Market Cap	$128.50B	Market data cache
Cash Runway	Not applicable / unavailable	DilutionWatch score inputs
Shelf Capacity	None in current score inputs	SEC-derived dilution fields
ATM Capacity	None in current score inputs	SEC-derived dilution fields
Outstanding Warrants	None in current score inputs	SEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 6.

Recent SEC source mix: 4 5, XBRL 1.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 20.0% shares (2026Q1 vs prior)

1698 institutional holders · 294.36M shares

#1 VANGUARD CAPITAL MANAGEMENT LLC 33.03M shares

#2 Capital World Investors 25.37M shares

#3 BlackRock, Inc. 23.97M 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 Interest4.50M

Days to Cover4.2

% of Float1.8%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2016-02-16

4 INSIDER TRANSACTION 2026-04-17

4 INSIDER TRANSACTION 2026-03-31

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual VRTX Dilution Snapshot

Vertex Pharmaceuticals Incorporated (VRTX) has a DilutionScore of 9/100, rated Low dilution risk. Score date: October 13, 2026.

Recent SEC activity tracked for VRTX: 4 on 2026-04-17; 4 on 2026-04-17; 4 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.

DilutionScore History — Last 90 Days

VRTX's DilutionScore has held steady at 9/100 (Low risk) for 89 consecutive days across the tracked period.

Period	Score	Risk Level	Duration
Jul 16 – Oct 13, 2026	9/100	LOW	89 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

VRTX shares outstanding have decreased 0.1% from 254.00M (Mar 2026) to 253.81M (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 08, 2026	253.81M	253.02M	▼ 0.16%
May 07, 2026	253.81M	253.41M	▲ 0.07%
Mar 13, 2026	254.00M	253.24M	▼ 0.02%
Mar 09, 2026	254.00M	253.28M	▲ 0.02%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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