Hayfin Special Opportunities Fund II LP - 30 Sep 2025 SCHEDULE 13G Report for HEARTFLOW, INC. Class A Common Stock, $0.001 par value (HTFL)

Filing manager
Hayfin Special Opportunities Fund II LP
Reporting owner
Hayfin Management Holdings Limited
Security
HEARTFLOW, INC. Class A Common Stock, $0.001 par value
Beneficially owned shares
5,283,264 shares
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13G

Passive or exempt beneficial ownership filing.

Ownership

6.2%

Beneficial ownership of this reported class.

Shares

5,283,264 shares

Shares beneficially owned as disclosed.

Event date

30 Sep 2025

Date tied to the ownership event or amendment.

Accepted by SEC

14 Nov 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership
6.2%
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
HTFL
Shares outstanding
85,213,935 shares
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
SCHEDULE 13G
Accepted by SEC
14 Nov 2025, 16:01:03 UTC
Event date
30 Sep 2025
Source filing
View source filing

Key filing fact

Hayfin Special Opportunities Fund II LP disclosed 6.2% ownership in HEARTFLOW, INC. Class A Common Stock, $0.001 par value (HTFL) on 30 Sep 2025.

Key facts

  • Hayfin Special Opportunities Fund II LP filed SCHEDULE 13G for HEARTFLOW, INC. Class A Common Stock, $0.001 par value (HTFL).
  • Disclosed ownership: 6.2%.
  • Date of event: 30 Sep 2025.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 16:01.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

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

View source filing

Reporting persons

Disclosed reporting parties (26)

Names, ownership percentages, 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
Hayfin Management Holdings Limited 6.2% 5,283,264 0 5,283,264 By: /s/ David Rushford David Rushford, Authorised Signatory
Hayfin Heartflow UK Limited 4.3% 3,635,597 0 3,635,597 By: /s/ Jessica Gray Jessica Gray, Director
Hayfin Tourmaline LuxCo S.a.r.l. 1.9% 1,647,667 0 1,647,667 By: /s/ John Molloy John Molloy, Manager
Hayfin Healthcare Opportunities Fund GP S.a.r.l. 1.5% 1,267,181 0 1,267,181 By: /s/ John Molloy John Molloy, Manager
Hayfin Healthcare Opportunities Invest LP 1.5% 1,267,181 0 1,267,181 acting by its general partner, HAYFIN HF GP LLC, acting by its sole member, Hayfin Healthcare Opportunities Fund GP S.a.r.l., By: /s/ John Molloy John Molloy, Manager
Hayfin SOF III GP S.a.r.l. 1.4% 1,174,580 0 1,174,580 By: /s/ John Molloy John Molloy, Manager
Hayfin Special Opportunities Fund III SCSp 1.4% 1,174,580 0 1,174,580 acting by its general partner, HAYFIN SOF III GP S.A.R.L., By: /s/ John Molloy John Molloy, Manager
Hayfin Hostplus GP Limited 0.1% 123,243 0 123,243 By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Hostplus LP 0.1% 123,243 0 123,243 acting by its general partner, HAYFIN HOSTPLUS GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Chief GP Limited 0.3% 236,807 0 236,807 By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Chief LP 0.3% 236,807 0 236,807 acting by its general partner, HAYFIN CHIEF GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
SunHay GP Limited 0.3% 217,086 0 217,086 By: /s/ Anneka Bavalia Anneka Bavalia, Director
SunHay LP 0.3% 217,086 0 217,086 acting by its general partner, SUNHAY GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Big Cypress GP Limited 0.3% 246,672 0 246,672 By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Big Cypress LP 0.3% 246,672 0 246,672 acting by its general partner, HAYFIN BIG CYPRESS GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Hamilton GP Limited 0.1% 97,498 0 97,498 By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Hamilton LP 0.1% 97,498 0 97,498 acting by its general partner, HAYFIN HAMILTON GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Opal 2020 GP Limited 1.1% 968,606 0 968,606 By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Opal 2020 (A) LP 0.3% 241,179 0 241,179 acting by its general partner, HAYFIN OPAL 2020 GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Opal 2020 (B) LP 0.4% 326,315 0 326,315 acting by its general partner, HAYFIN OPAL 2020 GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin SOF II GP Limited 0.4% 311,971 0 311,971 By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin Special Opportunities Fund II LP 0.4% 311,971 0 311,971 acting by its general partner, HAYFIN SOF II GP LP, acting by its general partner, HAYFIN SOF II GP LIMITED, By: /s/ Anneka Bavalia Anneka Bavalia, Director
Hayfin SOF III AIV GP S.a.r.l. 1.2% 1,040,732 0 1,040,732 By: /s/ John Molloy John Molloy, Manager
Hayfin AUS AIV LP - Hostplus Series 0.1% 100,209 0 100,209 acting by its general partner, HAYFIN AUS AIV GP LLC, acting by its member, HAYFIN SOF III AIV GP S.A.R.L. -, By: /s/ John Molloy John Molloy, Manager
Hayfin Special Opportunities Fund III AIV LP 0.9% 798,665 0 798,665 acting by its general partner, HAYFIN SOF III AIV GP LLC, acting by its sole member, HAYFIN SOF III AIV GP S.A.R.L., By: /s/ John Molloy John Molloy, Manager
Hayfin AUS AIV LP - AUS SOF III Series 0.2% 141,858 0 141,858 acting by its general partner, HAYFIN AUS AIV GP LLC, acting by its member, HAYFIN SOF III AIV GP S.A.R.L., By: /s/ John Molloy John Molloy, Manager
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