Reporting Manager
Wellington Management Group LLP
Symbol
HTFL
Shares outstanding
85,151,764 shares
Disclosed Ownership
11,921,247 shares
Ownership
14%
Form type
SCHEDULE 13G/A
Filing time
05 Mar 2026, 16:23:48 UTC
Date of event
27 Feb 2026
Previous filing
10 Feb 2026

Key filing fact

WELLINGTON MANAGEMENT GROUP LLP disclosed 14% ownership in Heartflow, Inc. Common Stock (HTFL) on 27 Feb 2026.

Key facts

  • WELLINGTON MANAGEMENT GROUP LLP filed SCHEDULE 13G/A for Heartflow, Inc. Common Stock (HTFL).
  • Disclosed ownership: 14%.
  • Date of event: 27 Feb 2026.

Change

  • Previous schedule filing date: 10 Feb 2026.
  • Current filing was accepted on 05 Mar 2026, 16:23.

Research use

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Reporting managers (4)

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 14% 11,921,247 0 11,675,269 Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 14% 11,921,247 0 11,675,269 Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 14% 11,921,247 0 11,675,269 Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 14% 11,921,247 0 11,668,369 Taisia Lowe Regulatory Analyst
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