SAN FRANCISCO, CA
HEARTFLOW, INC.HTFL— Latest position per institution from SEC 13F filings
15
Institutional holders
133.93M
Total shares held
1.65B
Estimated value
6.70M
Avg. position size
XXEC, INC.
CIK 1828822
Shares
77.27M
Value
2.52M
Filed
Jun 30, 2026
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC
CIK 1703031
Shares
8.45M
Value
247.87M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
7.86M
Value
230.74M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
5.20M
Value
152.50M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
4.82M
Value
141.45M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.58M
Value
105.17M
Filed
Jun 30, 2026
BAMCO INC /NY/
CIK 1017918
Shares
3.23M
Value
94.63M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.75M
Value
80.78M
Filed
Jun 30, 2026
JUPITER TOPCO LLC
CIK 2146052
Shares
2.42M
Value
70.98M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
2.30M
Value
67.44M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
2.18M
Value
53.06M
Filed
Mar 31, 2026
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
1.92M
Value
46.82M
Filed
Jun 30, 2026
POINT72 ASSET MANAGEMENT, L.P.
CIK 1603466
Shares
1.72M
Value
50.50M
Filed
Jun 30, 2026
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC
CIK 1638555
Shares
1.69M
Value
49.72M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
1.58M
Value
46.07M
Filed
Dec 31, 2025
STATE STREET CORP
CIK 93751
Shares
1.47M
Value
43.27M
Filed
Jun 30, 2026
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC
CIK 861177
Shares
1.47M
Value
43M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.36M
Value
39.92M
Filed
Jun 30, 2026
NUVEEN, LLC
CIK 1871926
Shares
1.35M
Value
39.70M
Filed
Jun 30, 2026
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
1.30M
Value
43.67M
Filed
Sep 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | XXEC, INC. | 1828822 | 77.27M | 2.52M | Jun 30, 2026 |
| 2 | BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 1703031 | 8.45M | 247.87M | Jun 30, 2026 |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 7.86M | 230.74M | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 5.20M | 152.50M | Jun 30, 2026 |
| 5 | FMR LLC | 315066 | 4.82M | 141.45M | Jun 30, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.58M | 105.17M | Jun 30, 2026 |
| 7 | BAMCO INC /NY/ | 1017918 | 3.23M | 94.63M | Jun 30, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.75M | 80.78M | Jun 30, 2026 |
| 9 | JUPITER TOPCO LLC | 2146052 | 2.42M | 70.98M | Jun 30, 2026 |
| 10 | INVESCO LTD. | 914208 | 2.30M | 67.44M | Jun 30, 2026 |
| 11 | JANUS HENDERSON GROUP LTD. | 1274173 | 2.18M | 53.06M | Mar 31, 2026 |
| 12 | ALLIANCEBERNSTEIN L.P. | 1109448 | 1.92M | 46.82M | Jun 30, 2026 |
| 13 | POINT72 ASSET MANAGEMENT, L.P. | 1603466 | 1.72M | 50.50M | Jun 30, 2026 |
| 14 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 1638555 | 1.69M | 49.72M | Jun 30, 2026 |
| 15 | VANGUARD GROUP INC | 102909 | 1.58M | 46.07M | Dec 31, 2025 |
| 16 | STATE STREET CORP | 93751 | 1.47M | 43.27M | Jun 30, 2026 |
| 17 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | 1.47M | 43M | Jun 30, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.36M | 39.92M | Jun 30, 2026 |
| 19 | NUVEEN, LLC | 1871926 | 1.35M | 39.70M | Jun 30, 2026 |
| 20 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 1.30M | 43.67M | Sep 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.