Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
Fund holders13F

Funds That Own Heartflow, Inc. (HTFL)

1 of the 26 major funds we track reported HTFL in their latest 13F, worth $11.2M combined at quarter end.

FundManagerQuarterSharesValue% of portfolioChangeFiled
Renaissance TechnologiesJim Simons (founder)Q2 2026382,700$11.2M0.02%▲ NewAug 13, 2026 ↗
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

A 13F lists long positions in U.S.-listed stocks and some options at quarter end. It does not show short positions, cash, most foreign holdings, or trades made since. What a 13F can't tell you →