As of November 6, 2026, Heartflow, Inc. is a publicly traded company (Nasdaq: HTFL); its largest reported holder is BCLS Fund III Investments, LP, with 9.8% on Schedule 13G/A of August 14, 2026, then Wellington Management (9.1%) (Schedule 13G/A, August 14, 2026).
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Is Heartflow, Inc. a real, registered company?
- Heartflow, Inc. files with the SEC under CIK 1464521 (its SEC filings).
- Its shares are listed under the ticker HTFL on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in San Francisco, California, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Heartflow, Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BCLS Fund III Investments, LP (filed 2026-08-14).
Who are Heartflow, Inc.'s owners and officers?
Heartflow, Inc.: incorporated in Delaware; business address in San Francisco, California; industry Surgical & Medical Instruments & Apparatus (Schedule 13G/A, 2026-08-14).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | Bcls Fund Iii Investments, LP | 9.8% |
| Schedule 13G/A, 2026-08-13 | Wellington Management Group LLP | 9.1% |
| Schedule 13G/A, 2026-08-06 | Wellington Management Group LLP | 10.7% |
| Schedule 13G, 2026-07-28 | Blackrock, Inc. | 5.7% |
| Schedule 13G/A, 2026-05-15 | Bcls Fund Iii Investments, LP | 12.18% |
| Schedule 13G/A, 2026-05-11 | Hayfin Management Holdings Limited | 0.7% |
| Schedule 13G, 2026-03-31 | Healthcor Partners Management LP | 2.4% |
| Schedule 13G/A, 2026-03-05 | Wellington Management Group LLP | 14% |
| Schedule 13G/A, 2026-02-10 | Wellington Management Group LLP | 6.9% |
| Schedule 13G, 2025-11-24 | Healthcor Partners Management LP | 7.9% |
| Schedule 13G, 2025-11-14 | Bcls Fund Iii Investments, LP | 14.9% |
| Schedule 13G, 2025-11-14 | Hayfin Management Holdings Limited | 6.2% |
Questions about who owns Heartflow, Inc.
Who owns Heartflow, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of Heartflow, Inc.: Bcls Fund Iii Investments, LP (9.8%, Schedule 13G/A, filed 2026-08-14), Wellington Management Group LLP (9.1%, Schedule 13G/A, filed 2026-08-13) and Blackrock, Inc. (5.7%, Schedule 13G, filed 2026-07-28).
Who are the largest shareholders of Heartflow, Inc.?
By the share each holder's latest filing reports, the largest holders of Heartflow, Inc. on this page are Bcls Fund Iii Investments, LP (9.8%), Wellington Management Group LLP (9.1%) and Blackrock, Inc. (5.7%).
When did Bcls Fund Iii Investments, LP buy into Heartflow, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Bcls Fund Iii Investments, LP on this page is the Schedule 13G, filed 2025-11-14, reporting 14.9%; its latest, Schedule 13G/A filed 2026-08-14, reports 9.8%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What They Do, And How The Money Works
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Which insiders own Heartflow, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Bain Capital Life Sciences III General Partner, LLC, a 10% owner: 8,448,158 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-30).
- Bain Capital Life Sciences Investors, LLC, a 10% owner: 8,448,158 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-30).
- Bain Capital Life Sciences Fund III, L.P., a 10% owner: 8,448,158 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-30).
- BCLS Fund III Investments, LP, a 10% owner: 8,448,158 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-30).
- BCLS Fund III Investments GP, LLC, a 10% owner: 8,448,158 shares (9.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 4, 2026-04-30).
Shares outstanding: 86,953,627 as of 2026-07-31, from the company's latest SEC cover page.
How much has Heartflow, Inc. raised?
Latest IPO step: Heartflow, Inc. filed its final IPO prospectus, ticker HTFL (424B4, 2025-08-08).
IPO filings: 424B4, 2025-08-08, S-1/A, 2025-08-06, S-1/A, 2025-08-01, S-1, 2025-07-17; ticker HTFL on Nasdaq Global Select Market.
Keep reading
More on Heartflow, Inc. and the records around it.
Heartflow, Inc. elsewhere on the record
- 5%+ stake filings Aug 2026
Companies that share a holder
- BCLS Fund III Investments, LP also filed stake reports on 3 other companies: ADARx Pharmaceuticals, Inc. (Oct 2026), CIDARA THERAPEUTICS, INC. (Feb 2026), DIANTHUS THERAPEUTICS, INC. (Nov 2025)
- Wellington Management Group LLP also filed stake reports on 240 other companies: Hub Group, Inc. (Oct 2026), Latham Group, Inc. (Oct 2026), Redwood Trust, Inc. (Oct 2026)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
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