Medical Tech Firm Heartflow Jumps 51% After $317 Million IPO (1)

Heartflow Inc. shares surged 51% after the artificial intelligence software platform focused on heart disease raised $317 million in its initial public offering.

Shares of the Mountain View, California-based company closed at $28.75 each on Friday in New York, versus an IPO price of $19 apiece. The offering of 16.67 million shares by the company priced above range, after the stock was marketed for $17 to $18 each.

The trading gives Heartflow a market value of about $2.3 billion based on the outstanding shares listed in its filings.

The IPO follows a rough investor reception to last month’s $75 ...