Rakuten Medical
Rakuten Medical is a biotech company in San Diego, United States, founded in 2010. It has raised $575.0M across 5 rounds, most recently a $100.0M Series F in January 2026.
To conquer cancer.
- Headquarters
- San Diego, California
- Employees
- 51–200
- Founded
- 2010
- Business Model
- B2B
- Website
- rakuten-med.com
- Total Funding
- $575.0M
- Last Round
- $100.0M Series FJan 2026
- Rounds
- 5
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 5 funding rounds and 2 investors for this company. The full record is or through the API.
About
Rakuten Medical, Inc. (formerly Aspyrian Therapeutics, Inc.) is a global biotechnology company developing and commercializing precision, cell-targeting photoimmunotherapy based on its proprietary Alluminox® platform. Founded in 2010 in San Diego, California, the company was rebranded from Aspyrian Therapeutics to Rakuten Medical in 2019. Alluminox therapies have been approved in Japan and the company is actively pursuing global approval. Rakuten Medical has offices in 5 countries including the United States, Japan, Taiwan, Switzerland, and India.
Summary
It lists 51–200 employees. It has raised $575.0M in total across 5 rounds, most recently a $100.0M Series F round in Jan 2026. Investors include General Catalyst and Rakuten.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Jan 2026
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Funding: Series C through Series F. Amounts, valuations, and investors where available.
Investors
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