| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BCLS Fund III Investments, LP | 15% | $419,004,998 | 12,448,158 | BCLS Fund III Investments, LP | 30 Sep 2025 | |||
| HealthCor Partners Management LP | 7.9% | $256,784,297 | 6,697,556 | HealthCor Partners Management LP | 11 Aug 2025 | |||
| WELLINGTON MANAGEMENT GROUP LLP | 6.9% | +17% | $189,022,825 | +$32,519,172 | 5,894,070 | +21% | Wellington Management Group LLP | 31 Dec 2025 |
| Hayfin Special Opportunities Fund II LP | 6.2% | $177,834,666 | 5,283,264 | Hayfin Management Holdings Limited | 30 Sep 2025 | |||
| FMR LLC | 5.7% | $159,219,679 | 4,730,234 | FMR LLC | 30 Sep 2025 |
As of 31 Dec 2025, 110 institutional investors reported holding 52,292,905 shares of Heartflow, Inc. - Common Stock (HTFL). This represents 61% of the company’s total 85,421,304 outstanding shares.
The largest institutional shareholders of Heartflow, Inc. - Common Stock (HTFL) together control 55% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 15% | 12,448,158 | 0% | 28% | $362,863,806 |
| WELLINGTON MANAGEMENT GROUP LLP | 6.9% | 5,894,070 | +21% | 0.03% | $171,812,140 |
| FMR LLC | 4.8% | 4,122,853 | -13% | 0.01% | $120,181,183 |
| BAILLIE GIFFORD & CO | 3.5% | 3,005,998 | 0% | 0.07% | $87,624,842 |
| BAMCO INC /NY/ | 2.7% | 2,303,877 | +86% | 0.18% | $67,158,015 |
| Schusterman Interests, LLC | 2.3% | 1,939,201 | 0% | 13% | $56,527,709 |
| Capricorn Investment Group LLC | 1.9% | 1,661,601 | 5.8% | $48,177,645 | |
| VANGUARD GROUP INC | 1.9% | 1,580,313 | +8.8% | 0% | $46,066,124 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.7% | 1,431,011 | 0.01% | $41,713,971 | |
| BlackRock, Inc. | 1.6% | 1,342,139 | +334% | 0% | $39,123,352 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 1.5% | 1,259,121 | +48% | 1% | $36,703,377 |
| CITADEL ADVISORS LLC | 1.5% | 1,248,898 | +231% | 0.02% | $36,405,377 |
| ALLIANCEBERNSTEIN L.P. | 1.3% | 1,089,030 | -3% | 0.01% | $31,745,225 |
| JANUS HENDERSON GROUP PLC | 1% | 865,560 | -15% | 0.01% | $25,231,275 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1% | 863,271 | -29% | 0% | $25,165,000 |
| LORD, ABBETT & CO. LLC | 0.93% | 790,903 | -30% | 0.07% | $23,055,000 |
| MORGAN STANLEY | 0.87% | 745,924 | -1.2% | 0% | $21,743,717 |
| Ensign Peak Advisors, Inc | 0.82% | 700,805 | +12% | 0.04% | $20,428,466 |
| FRANKLIN RESOURCES INC | 0.8% | 685,159 | +113% | 0% | $19,972,385 |
| JPMORGAN CHASE & CO | 0.69% | 586,282 | +42% | 0% | $17,090,121 |
| Invesco Ltd. | 0.68% | 577,397 | +464% | 0% | $16,831,122 |
| EVENTIDE ASSET MANAGEMENT, LLC | 0.59% | 505,989 | +502% | 0.23% | $14,749,579 |
| UBS Group AG | 0.59% | 501,165 | +229% | 0% | $14,608,961 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.59% | 499,925 | +96% | 0% | $14,575,256 |
| RTW INVESTMENTS, LP | 0.58% | 495,000 | 0% | 0.14% | $14,429,250 |