04:18 AM EDT, 08/12/2025 (MT Newswires) -- Heartflow ( HTFL ) said late Monday it closed its upsized initial public offering with gross proceeds of $364.2 million.

The company's shares began trading on the Nasdaq Global Select Market on Aug. 8.

It sold about 19.2 million shares in the IPO at $19 each.

The sale included 2.5 million shares issued upon the exercise in full by the underwriters of their option to purchase additional shares.

Shares of the company were down 3.3% in recent premarket activity on Tuesday after ending 4.3% higher in regular trading on Monday.

Price: 29.00, Change: -0.99, Percent Change: -3.30