cfdna
(2)
Apostle Inc
Apostle Inc is a Pleasanton, California biotechnology company that develops nucleic acid isolation and preservation technologies for liquid biopsy. Its flagship magnetic-nanoparticle kit, Apostle MiniMax, extracts circulating cell-free DNA and RNA from blood for applications in early cancer detection, non-invasive prenatal testing, infectious disease research, and even astronaut biospecimen collection in commercial spaceflight. Founded in 2018 out of the Stanford StartX accelerator, the company sells reagents, automation instruments, and CLIA/CAP lab services to researchers and diagnostics developers worldwide.
Aqtual, Inc.
Aqtual, Inc. is a Hayward, California precision medicine company that reads epigenetics, gene regulation and transcriptomics from a single blood draw. Its proprietary active-chromatin cell-free DNA (cfDNA) platform captures circulating chromatin to survey hundreds of thousands of regulatory sites, integrating DNA, epigenetic regulation and protein-DNA binding in one blood-based assay. The company is first commercializing a test that predicts which therapy will work for rheumatoid arthritis patients, with a broader pipeline spanning oncology, immunology, cardiovascular, metabolic and neurological disease. Aqtual has raised roughly $47M to date, including a $31M Series B in July 2025.