Institutional Ownership
Heartflow Inc
CUSIP 42238D107COMHTFLQ1 2026
13D / 13G Filings
7
Schedule 13D/13G on record
Beneficial Filers
5
Distinct reporting persons
Largest Stake
14.9%
Max % of class reported
Institutional Holders
163
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
7 filings · latest Mar 5, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Mar 5, 2026 | Wellington Management Group LLP | 13G/A | 14.0% | 11.92M | SEC |
| 2 | Feb 10, 2026 | Wellington Management Group LLP | 13G/A | 6.9% | 5.89M | SEC |
| 3 | Nov 24, 2025 | Healthcor Partners Management LP | 13G | 7.9% | 6.70M | SEC |
| 4 | Nov 14, 2025 | Bcls Fund III Investments, LP | 13G | 14.9% | 12.45M | SEC |
| 5 | Nov 14, 2025 | Hayfin Management Holdings Limited | 13G | 6.2% | 5.28M | SEC |
| 6 | Nov 12, 2025 | Wellington Management Group LLP | 13G | 5.9% | 4.88M | SEC |
| 7 | Nov 5, 2025 | Fmr LLC | 13G | 5.7% | 4.73M | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management Group LLP | 11.98M | $291.53M |
| 2 | Bain Capital Life Sciences Investors, LLC | 10.45M | $254.20M |
| 3 | Fmr LLC | 5.40M | $131.33M |
| 4 | Bamco Inc /Ny/ | 3.83M | $93.12M |
| 5 | Janus Henderson Group PLC | 2.18M | $53.06M |
| 6 | Invesco Ltd. | 1.91M | $46.55M |
| 7 | Alliancebernstein L.P. | 1.22M | $35.69M |
| 8 | Blackrock, Inc. | 1.46M | $35.58M |
| 9 | Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas LLC | 1.41M | $34.42M |
| 10 | Millennium Management LLC | 1.09M | $26.60M |