Bamco Inc. NY Takes $41.65 Million Position in Heartflow, Inc.

Got story updates? Submit your updates here. ›

Bamco Inc. NY, an investment management firm, has purchased a new stake in Heartflow, Inc. (NASDAQ:HTFL), acquiring 1,237,506 shares of the company's stock valued at approximately $41.65 million. This represents about 1.45% ownership of Heartflow at the end of the third quarter.

Why it matters

The investment by Bamco Inc. NY, a prominent institutional investor, in Heartflow, a medical technology company focused on non-invasive diagnostic solutions for coronary artery disease, signals confidence in the company's potential and technology. This could help boost Heartflow's visibility and access to capital as it continues to develop and commercialize its products.

The details

According to a recent SEC filing, Bamco Inc. NY purchased the new stake in Heartflow during the third quarter of the year. The investment firm now owns approximately 1.45% of Heartflow's outstanding shares. Several other major institutional investors, including Wellington Management Group, Baillie Gifford & Co., and Vanguard Group, have also added to or reduced their stakes in Heartflow in recent quarters.

• Bamco Inc. NY purchased the new stake in Heartflow during the 3rd quarter of the year.
• The filing disclosing the investment was made on March 16, 2026.