# Harbinger Health raised $100M for a cancer blood test. Here is what the data actually shows. - Date: 2026-04-14 - Category: Biotech & Life Sciences Harbinger Health raised $100M to sell a cancer blood test to people who already have symptoms. The problem: the test catches only one in four early-stage cancers, and when it finds something, it is right less than half the time about where the tumor is. ---