1. Recent Funding
2. Investors
3. Proto Axiom

Proto Axiom has backed 1 company on Recent Funding, 1 in the last 12 months; its most recent deal is AdvanCell (2026-07-15).

What Proto Axiom invests in

• Health and bio · 1 · 100%

How Proto Axiom invests

Share is of the 1 round on Recent Funding that name Proto Axiom. Rounds with no announced date are left out of the year split, and "round" is a round whose stage is not on file.

Portfolio

Company	Round with Proto Axiom	Total raised	Latest raise
AAdvanCell Health and bio	Jul 15, 2026 Series b+ · $315M	$439.5M	Jul 15, 2026 Series b+

Most frequent co-investors

• CCatalio1 shared round · last Jul 15, 2026
• FFidelity Management & Research Company1 shared round · last Jul 15, 2026
• TT. Rowe Price1 shared round · last Jul 15, 2026
• EEli Lilly and Company1 shared round · last Jul 15, 2026
• MMorningside1 shared round · last Jul 15, 2026
• SSV Health Investors1 shared round · last Jul 15, 2026
• SSanofi Ventures1 shared round · last Jul 15, 2026
• AAbingworth1 shared round · last Jul 15, 2026
• SSymBiosis1 shared round · last Jul 15, 2026
• TTenmile1 shared round · last Jul 15, 2026
• BBrandon Capital1 shared round · last Jul 15, 2026
• AAlly Bridge Group1 shared round · last Jul 15, 2026

Portfolio companies are the companies on Recent Funding with a round that lists Proto Axiom, which is a subset of its real portfolio. API: /api/v1/investors/proto-axiom. All investors.