Who invested in Antios Therapeutics

2 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

BiotechHealthcarePharma

Funding summaryUpdated 26 Oct 2026

$100Mraised across 2 rounds since 2018, from 2 sources

$25MSeries A$75MSeries B

Latest round: Series B, $75MNov 2021
Step-upi: 3×
Investors: 8

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

201920202021

$25MSeries A$75MSeries B

First round: Series A, $25M
Biggest round: $75M
Between rounds: 2.9 years

The rounds

Nov 2021
Series B$75M2 new
- RA Capital Management
- Adage Capital Management
Source recordedSEC filing: $75M sold, first sale Nov 2021
Nov 2018
Series A$25M6 new
- Fonds de solidarite Ftq
- Lumira Ventures
- Delos
- Domain Associates/ CAM
- Georgia Research Alliance
- Quantum Vista
Reported by FinSMEsSEC filing: $15M sold, first sale Nov 2018

Founders and team

From the SEC filings it signed: 3 on the team.

Douglas MayersExecutive Officeri
Gregory MayesExecutive Officer, Directori
Tamra AdamsExecutive Officeri

On the board, as filediAbel De La RosaBenjamin RovinskiCraig GordonIyona RajkomarPatrick HigginsScott Morenstein

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Series A2018Series B2021

RA Capital ManagementAdage Capital Management

Fonds de solidarite Ftq

Lumira Ventures

DelosDomain Associates/ CAMGeorgia Research AllianceQuantum Vista

Everyone who backed them

RA Capital ManagementPrivate equity1round

Adage Capital ManagementAsset manager1round

Fonds de solidarite FtqVC firm1round

Lumira VenturesVC firm1round

DelosVC firm1round

Domain Associates/ CAMno record of our own yet1round

Georgia Research Allianceno record of our own yet1round

Quantum Vistano record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Antios Therapeutics as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Aisling CapitalPrivate equityPer its own site

Altium CapitalVC firmPer its own site

Quick answers about Antios Therapeutics

Who invested in Antios Therapeutics?

Antios Therapeutics's investors include RA Capital Management, Adage Capital Management, Fonds de solidarite Ftq, Lumira Ventures and Delos, and 3 more on record.