What is HTFL's dilution risk score?

HTFL has a latest available DilutionScore record of 13/100, categorized as low dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for HTFL, 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 HTFL?

DilutionWatch tracks 25 SEC filing types for HTFL 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 HTFL shareholders?

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

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

HTFL Dilution Risk Score: 13/100 (LOW)

Score Breakdown

📋 Offering Ability

20

💰 Cash Runway

0

📊 Float Risk

25

⚠️ Warrant Exposure

15

🔄 Convertible Debt

15

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for HTFL.

🔔 Track HTFL — Get forecast alerts →

Market Data

Market Cap$2.67B

Shares Outstanding86.95M

Float66.26M

Cash$162.55M

Debt$26.35M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 35.6% shares (2026Q1 vs prior)

170 institutional holders · 71.14M shares

#1 WELLINGTON MANAGEMENT GROUP LLP 11.98M shares

#2 Bain Capital Life Sciences Investors, LLC 10.45M shares

#3 FMR LLC 5.40M 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 Interest6.85M

Days to Cover6.6

% of Float10.3%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL WARRANT 2026-06-30

xbrl XBRL CONVERTIBLE 2025-12-31

Form 4 INSIDER TRANSACTION 2026-08-21

Form 4 INSIDER TRANSACTION 2026-08-18

Form 4 INSIDER TRANSACTION 2026-08-17

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual HTFL Dilution Snapshot

Heartflow, Inc. (HTFL) has a DilutionScore of 13/100, rated Low dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for HTFL: Form 4 on 2026-08-21; Form 4 on 2026-08-18; Form 4 on 2026-08-17.

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.

Related Stocks — LOW Risk

Other LOW dilution risk stocks tracked by DilutionWatch with similar profiles:

Browse all 8,024+ tracked stocks →

📖 Dilution Education

→ Complete Dilution Guide for Retail Investors → Anti-Dilution Provisions Explained → Stock Dilution Red Flags to Watch → Understanding Shelf Registrations

More Research for HTFL

HTFL FDA Catalyst Timeline & Biotech Grade — BiotechSigns

Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.

HTFL — Heartflow, Inc. Dilution Risk Tracker