UnannouncedVCRaise

AnnouncedFiled 22 December 2025

Addition Therapeutics, Inc. raised $28M

Addition Therapeutics, Inc., a biotech company based in South San Francisco, CA, raised $28M in a new debt round, according to a filing dated 22 December 2025.

Announced on 17 December 2025, 5 days before the filing. additiontx.com ↗

Watch Addition Therapeutics, Inc. Share on X Read the filing ↗
Filed
22 December 2025
Round
Debt round
Amount sold
$28M
Offering size
$28M
Investors so far
9
Based in
South San Francisco, CA
Industry
Biotech
Website
additiontx.com

Investors on the board

Firms come from the venture funds whose filings name a director of this company.

Who is on the board

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How it compares

Larger than 80% of the 1,404 tracked raises with an amount filed in 2025, and than 66% of the 112 in biotech.

Addition Therapeutics, Inc. in public filings

FiledFilingSoldRaise
22 Dec 2025New filing$28MThis raise

Everything on Addition Therapeutics, Inc.

More with Pivotal bioVenture on the board

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All 17 raises

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All unannounced rounds

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