BillionToOne, Inc. Class A Common StockBillionToOne's oncology tests are highlighted as future growth drivers, with Q1 revenue up 84% and expanded insurance coverage.

Baron Health Care Fund highlighted BillionToOne as a precision diagnostics company with strong growth potential beyond its core prenatal testing business. The fund noted that while the vast majority of revenue currently comes from the UNITY prenatal test, early progress in oncology with SELECT and RESPONSE tests could become important future growth drivers. BillionToOne reported first-quarter revenue up 84% year over year with 22% operating margins and announced expanded commercial insurance coverage for UNITY and the new UNITY Confirm product. The fund believes the company's quantitative counting template technology enables more sensitive genetic testing. BillionToOne shares gained 67.79% over the past 52 weeks, closing at $137.32 on August 3, 2026, with a market capitalization of $6.32 billion.
BillionToOne, Inc. Class A Common StockBillionToOne's oncology tests are highlighted as future growth drivers, with Q1 revenue up 84% and expanded insurance coverage.