Heartflow, Inc. (HTFL) priced its IPO at $19.00 – $1.00 above the top of its recently increased price range of $17.00 to $18.00 – and sold 16.7 million shares – the number in the prospectus – to raise $316.7 million on Thursday night, Aug. 7, 2025. Bain Capital-backed Heartflow had a market cap of $1.57 billion at pricing.
Heartflow’s stock jumped in its NASDAQ debut – opening at $28.00 – up $9 or up 47.4 percent from its $19 IPO price – at 12:58 p.m. EDT today – Friday, Aug. 8, 2025 – on volume of about 1.34 million shares.