# Accipiter Biosciences

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/accipiter-biosciences

- Industry: Biotechnology
- Headquarters: Seattle, US
- Website: www.accipiterbio.com
- Total disclosed funding: $23M
- Latest round: Seed (Jul 21, 2026)
- Investors on record: 8

## About

Based in Washington, US, and founded in 2023 by co-founders Matthew Bick, Javier Castellanos, and Hector Rincon, Accipiter Biosciences operates as a biotechnology company. In July 2026, Accipiter Biosciences Inc. raised USD 10.5 million in seed funding co-led by Flying Fish and Takeda Digital Ventures, with participation from Columbus Venture Partners, Cercano Management, WRF Capital, Alexandria Venture Investments, Pack Ventures and Argonautic Ventures. 

Accipiter Biosciences specializes in the development of next-generation multifunctional biologics, by utilizing advanced computational methods. The company's expertise lies in designing multifunctional biologics that could potentially revolutionize the treatment landscape across various therapeutic areas.

The company plans to use the July 2026 funding to accelerate development of additional drug candidates, expand its clinical portfolio, and grow its scientific team.

## Funding rounds

- Seed, Jul 21, 2026, $10M — Alexandria Venture Investments, WRF Capital, Flying Fish, Argonautic Ventures, Columbus Venture Partners, Cercano Management, Pack Ventures, Takeda Digital Ventures
- Seed, Nov 5, 2025, $13M — Alexandria Venture Investments, WRF Capital, Flying Fish, Argonautic Ventures, Columbus Venture Partners, Cercano Management, Pack Ventures, Takeda Digital Ventures

## Investors

- Alexandria Venture Investments (https://capitalatlas.ai/funds/alexandria-venture-investments) — Seed
- WRF Capital (https://capitalatlas.ai/funds/wrf-capital) — Seed
- Flying Fish (https://capitalatlas.ai/funds/flying-fish) — Seed
- Argonautic Ventures (https://capitalatlas.ai/funds/argonautic-ventures) — Seed
- Columbus Venture Partners (https://capitalatlas.ai/funds/columbus-venture-partners) — Seed
- Cercano Management (https://capitalatlas.ai/funds/cercano-management) — Seed
- Pack Ventures (https://capitalatlas.ai/funds/pack-ventures) — Seed
- Takeda Digital Ventures (https://capitalatlas.ai/funds/takeda-digital-ventures) — Seed