The main risk is economic conversion, not product relevance. Natera can keep winning clinical adoption and still underperform if reimbursement broadens slowly, newer indications clear one by one, or
MRD pricing gets squeezed as the category standardizes. The second layer is operational: Austin capacity must ramp cleanly, Illumina-linked inputs cannot become a choke point, and the company must turn evidence leadership into durable workflow and data economics rather than just more test volume.