Fresh Rounds

Addition Therapeutics, Inc. funding

Addition Therapeutics, Inc., a biotechnology company based in South San Francisco, CA (founded 2021), filed a Form D with the SEC on December 22, 2025 and reported $28M raised.

Amount raised$28M
Offering size$28M
Filed with the SECDecember 22, 2025
First saleDecember 11, 2025
IndustryBiotechnology
SecuritiesDebt, Options or warrants, Security to be acquired on exercise
LocationSouth San Francisco, CA
Founded2021
Entity typeCorporation
Investors so far9
Minimum investment—
Revenue rangeDecline to Disclose

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