Aug 12, 2026 – 9.00amA year ago, the country’s largest venture capital firm Blackbird Ventures was touting Heidi Health as the fastest-growing start-up ever on its books; now the medical artificial intelligence player is set to seal the coveted billion-dollar unicorn valuation if negotiations with international investors succeed.The company, which is also backed by superannuation firm HESTA, has been highlighting growing global demand for its patient consultation and medical records software to potential backers. Multiple people with knowledge of the discussions, who requested anonymity to speak freely, said Heidi Health was raising more than $100 million at a valuation exceeding $1 billion.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles