SpliceBio vs Genentech
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $135M Series B led by Sanofi Ventures and EQT (Jun 2025). First patient dosed in Phase 1/2 for Stargardt disease (Jan 2026). Overcomes 4.7kb AAV cargo limit.
About
SpliceBio is a gene therapy company whose protein trans-splicing platform overcomes the 4.7-kilobase cargo limit of adeno-associated viral (AAV) vectors — the primary delivery vehicle for gene therapy — unlocking treatments for large-gene diseases previously untreatable. The company raised $135 million in Series B financing co-led by Sanofi Ventures and EQT Life Sciences in June 2025, and dosed its first patient in Phase 1/2 Part B for SB-007 in Stargardt disease in January 2026.
Roche subsidiary and founding biotech; invented the biologics industry with recombinant DNA. Blockbuster oncology franchise includes Herceptin, Avastin, Rituxan, and Tecentriq.
About
Genentech was founded in 1976 in South San Francisco by Herbert Boyer and Robert Swanson, becoming the first company to produce human insulin using recombinant DNA technology and essentially launching the modern biotechnology industry. Acquired by Roche in 2009 for $46.8 billion, Genentech continues to operate with significant R&D autonomy as the US hub for Roche's pharmaceutical innovation.\n\nThe company is best known for pioneering cancer biologics, developing Herceptin (trastuzumab) for HER2-positive breast cancer, Avastin (bevacizumab) for multiple cancers, Rituxan (rituximab) for lymphoma, and Tecentriq (atezolizumab) for PD-L1 immunotherapy. Its discovery engine spans oncology, neuroscience, ophthalmology, and immunology with a robust early-stage pipeline leveraging AI-assisted target identification.\n\nGenentech generates tens of billions in annual revenue through Roche's Pharmaceuticals Division and remains one of the most productive biotech research sites in the world, consistently ranked among top employers in life sciences. The South San Francisco campus employs over 13,000 scientists, clinicians, and engineers, anchoring the Bay Area as a global biotech hub.
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