2Suppliers
20Customers
3Debt Items
20Related Chains

Source-Backed Evidence Depth

Heartflow, Inc. (HTFL) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

26Total relationships
2Distinct source URLs
11High confidence
0.752Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Heartflow, Inc. Suppliers

TickerNameConfidenceEvidence
BUSINESS-ASSOCIATES BUSINESS-ASSOCIATES 85% HIPAA also imposes various requirements on "Business Associates" — entities performing services for, or on behalf of, a Covered Entity that has access to the Covered Entity's PHI in connection with p…
SUBCONTRACTORS SUBCONTRACTORS 85% HIPAA also imposes various requirements on "Business Associates" — entities performing services for, or on behalf of, a Covered Entity that has access to the Covered Entity's PHI in connection with p…

Heartflow, Inc. Customers

TickerNameConfidenceEvidence
COVERED-ENTITIES COVERED-ENTITIES 90% Our customers are Covered Entities under HIPAA, and, in some cases, Heartflow may be considered a Business Associate to such Covered Entities when they pay Heartflow for certain services that involve…
PAYORS PAYORS 85% When Heartflow bills payors directly for the services, Heartflow is acting as a Covered Entity.
HEALTHCARE-CLEARINGHOUSES HEALTHCARE-CLEARINGHOUSES 80% HIPAA, as amended by HITECH, requires health plans, certain healthcare providers and healthcare clearinghouses, referred to as "Covered Entities," to protect the privacy and security of certain types…
HEALTHCARE-PROVIDERS HEALTHCARE-PROVIDERS 80% HIPAA, as amended by HITECH, requires health plans, certain healthcare providers and healthcare clearinghouses, referred to as "Covered Entities," to protect the privacy and security of certain types…
HEALTH-PLANS HEALTH-PLANS 80% HIPAA, as amended by HITECH, requires health plans, certain healthcare providers and healthcare clearinghouses, referred to as "Covered Entities," to protect the privacy and security of certain types…
EUROPE EUROPE 75% We cannot assure you that our existing presence in the United Kingdom, Europe and Japan or any expansion efforts into other international markets will be successful.
JAPAN JAPAN 75% We cannot assure you that our existing presence in the United Kingdom, Europe and Japan or any expansion efforts into other international markets will be successful.
UNITED-KINGDOM UNITED-KINGDOM 75% We cannot assure you that our existing presence in the United Kingdom, Europe and Japan or any expansion efforts into other international markets will be successful.
HTHIY Hitachi, Ltd. 72% Reciprocal relationship from HTHIY graph: Reciprocal relationship from HTFL graph: Reciprocal relationship from HTHIY graph: Reciprocal relationship from HTFL graph: Reciprocal relationship from HTHI…
HTHIY Hitachi, Ltd. 72% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
RYLPF Koninklijke Philips N.V. 72% Reciprocal relationship from RYLPF graph: Reciprocal relationship from HTFL graph: Reciprocal relationship from RYLPF graph: Reciprocal relationship from HTFL graph: that could compete with our produ…
RYLPF Koninklijke Philips N.V. 72% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
AI-TECHNOLOGIES AI-TECHNOLOGIES 62% ietary AI algorithms and models and computational fluid dynamics (collectively, “AI Technologies”) to power the Heartflow Platform. In addition, we use AI Technologies to drive improvements in the pe…
CANON-MEDICAL-SYSTEMS-CORPORATION CANON-MEDICAL-SYSTEMS-CORPORATION 62% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
CLEERLY-INC-ELUCID-BIOIMAGING-INC CLEERLY-INC-ELUCID-BIOIMAGING-INC 62% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
GE-HEALTHCARE-HITACHI-LTD GE-HEALTHCARE-HITACHI-LTD 62% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
KEYA-MEDICAL-TECHNOLOGY-CO-LTD KEYA-MEDICAL-TECHNOLOGY-CO-LTD 62% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
KONINKLIJKE-PHILIPS-N-V-SAMSUNG-ELECTRONICS-CO-L KONINKLIJKE-PHILIPS-N-V-SAMSUNG-ELECTRONICS-CO-L 62% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…
SEC-EMERGING-GROWTH-COMPANY SEC-EMERGING-GROWTH-COMPANY 62% ertible promissory notes to various investors and certain employees in the aggregate amount of $98.3 million, which was comprised of $74.0 million in aggregate principal amount of notes issued for ca…
SIEMENS-HEALTHINEERS-AG SIEMENS-HEALTHINEERS-AG 62% that could compete with our products or could make our products or any product we may sell in the future obsolete. We also face competition and price pressure from companies that have developed or ar…

Heartflow, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
HTFL-DEBT-10100 Xbrl Convertible 90% xbrl convertible detail from xbrl 2025-12-31.
HTFL-DEBT-10099 Warrants outstanding: 0 90% xbrl warrant detail from xbrl 2026-03-31.
HTFL-DEBT Debt stack $26.3M 90% Market cache reports total debt of $26.3M.

Heartflow, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Heartflow, Inc..

Heartflow, Inc. Ownership

HolderNameConfidenceEvidence
HTFL-OWNER-WELLINGTON-MANAGEMENT-GROUP-LLP WELLINGTON MANAGEMENT GROUP LLP 90% 13F overlay lists WELLINGTON MANAGEMENT GROUP LLP as top holder; 170 tracked holders.

Heartflow, Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
RSMDF ResMed Inc. 100.00 2
CAJPY Canon Inc. 100.00 2
WDC Western Digital Corporation 100.00 2
RMD ResMed Inc. 100.00 2
CAJFF Canon Inc. 100.00 2
TWI Titan International, Inc. 100.00 2
MICC The Magnum Ice Cream Company N.V. 100.00 2
LRCX Lam Research Corporation 100.00 2
HSCS HeartSciences Inc. 100.00 2
EU enCore Energy Corp. 100.00 2
GEV GE Vernova Inc. 100.00 2
PAYORS PAYORS 54.19 1 ['receiving']
RAY Raytech Holding Limited 50.00 2
BLCO Bausch + Lomb Corporation 50.00 2
HCC Warrior Met Coal, Inc. 50.00 2
CIEN Ciena Corporation 50.00 2
UTSI UTStarcom Holdings Corp. 50.00 2
PCAR PACCAR Inc 50.00 2
BHC Bausch Health Companies Inc. 50.00 2
KLAC KLA Corporation 50.00 2
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HTFL
Unlock HTFL Supply Chain Data
Verified relationships include:
BUSINESS-ASSOCIATESBUSINESS-ASSOCIATESSupplier85%
SUBCONTRACTORSSUBCONTRACTORSSupplier85%
COVERED-ENTITIESCOVERED-ENTITIESCustomer90%
PAYORSPAYORSCustomer85%
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