Rakuten Medical

To conquer cancer.

Founded
2010
Business Model
B2B
Total Funding
$535.0M
Last Round
$100.0M Series FJan 2026
Rounds
4

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

Rakuten Medical is a Biotech company based in San Diego, United States, founded in 2010. It has raised $535.0M in total across 4 rounds, most recently a $100.0M Series F round in Jan 2026. Investors include General Catalyst and Rakuten.

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Funding History

Series FSeries FJan 2026
$100.0M

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Investors

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