# Nabla Bio

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/nabla-bio

- Industry: Biotechnology
- Headquarters: Cambridge, US
- Website: www.nabla.bio
- Total disclosed funding: $151M
- Latest round: Series C (Jun 16, 2025)
- Investors on record: 13

## About

Established in 2020 and based in Massachusetts, US, Nabla Bio, Inc. develops an AI-first protein design platform to generate therapeutic antibodies. In July 2025, Nabla Bio, Inc. raised USD 70 million in series C funding led by new investor HV Capital, with participation from other new investors Highland Europe, DST Global, Cathay Innovation, and Build Collective. As of December 2021, co-founder Surge Biswas is the CEO of Nabla Bio, Inc. Nabla Bio, Inc. provides an AI-first protein design platform that enables rapid engineering of antibody therapeutics. The company’s platform combines state-of-the-art protein language modeling, a branch of AI-driven protein modeling with a novel high-throughput multiplex antibody assay technology to make new medicines and improve nutrition. The company plans to use the July 2025 funding to widen its care environment and accelerate the development of its commercial and clinical teams.

## Funding rounds

- Series C, Jun 16, 2025, $70M — Cathay Capital, HV Capital, DST Global, Highland Europe, Build Collective
- Series A, May 14, 2024, $26M — Khosla Ventures, Zetta Venture Partners, Radical Ventures, Cantos Ventures, Fifty Years
- Series B, Dec 30, 2023, $24M — Cathay Capital, Zebox
- Seed, Dec 6, 2021, $11M — Khosla Ventures, Zetta Venture Partners, Cantos Ventures, Fifty Years
- Series A, Apr 5, 2021, $20M — Groupe Artemis, Firstminute Capital

## Investors

- Groupe Artemis — Series A
- Firstminute Capital (https://capitalatlas.ai/funds/firstminute-capital) — Series A
- Khosla Ventures (https://capitalatlas.ai/funds/khosla-ventures) — Seed, Series A
- Zetta Venture Partners (https://capitalatlas.ai/funds/zetta-venture-partners) — Seed, Series A
- Cantos Ventures (https://capitalatlas.ai/funds/cantos-ventures) — Seed, Series A
- Fifty Years (https://capitalatlas.ai/funds/fifty-years) — Seed, Series A
- Cathay Capital — Series B, Series C
- Zebox (https://capitalatlas.ai/funds/zebox) — Series B
- Radical Ventures (https://capitalatlas.ai/funds/radical-ventures) — Series A
- HV Capital (https://capitalatlas.ai/funds/hv-capital) — Series C
- DST Global (https://capitalatlas.ai/funds/dst-global) — Series C
- Highland Europe (https://capitalatlas.ai/funds/highland-europe) — Series C
- Build Collective (https://capitalatlas.ai/funds/build-collective) — Series C