United States · Venture startup

Who invested in Retro Biosciences

3 rounds we have observed, with the one investor 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.

AIBiotechPharmaWellness

Raised 6 months ago

Funding summaryUpdated 5 Nov 2026

$1.2Braised across 3 rounds since 2022, from 3 sources

$180MPre-seed$1.0BSeries A
Latest round
VentureMay 2026
Biggest round
$1.0BSeries A · Jan 2025
Investors
1
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.

20222023202420252026
$180MPre-seed$1.0BSeries A?Venture
First round
Pre-seed, $180M
Apr 2022
Biggest round
$1.0B
Series A · Jan 2025
Usual gap between rounds
2.8 years
the median of 2

The rounds

  1. May 2026
    VentureAmount undisclosed1 returning

    Source recorded

  2. Jan 2025
    Series A$1.0B1 returning

    Reported by TechCrunch

  3. Apr 2022
    Pre-seed$180M1 new

    Source recorded

Everyone who backed them

Sam AltmanAngel3rounds

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

Also claim to have backed them

These 7 firms list Retro Biosciences 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.

SparkLabs GroupVC firmPer its own site
Inventive CapitalFamily officePer its own site
LFG Capital Management LLCInvestorPer its own site
LFG HoldingsVC firmPer its own site
Peter H. Diamandis (PHD Ventures)Family officePer its own site
Prosto VCAngel networkPer its own site
Selective VCVC firmPer its own site

Quick answers about Retro Biosciences

Who invested in Retro Biosciences?

Retro Biosciences's investors include Sam Altman.

How much has Retro Biosciences raised?

Retro Biosciences has raised $1.2B across 3 rounds since 2022. One round did not disclose an amount, so the total is a floor.

When did Retro Biosciences last raise?

Retro Biosciences's most recent round was a Venture in May 2026.

What was Retro Biosciences's biggest round?

Retro Biosciences's largest round on record is $1.0B (Series A), in Jan 2025.

Who backed Retro Biosciences first?

Retro Biosciences's first round on record, in Apr 2022, was backed by Sam Altman.

What stage is Retro Biosciences at?

Retro Biosciences's latest named round is a Venture, in May 2026.

Where is Retro Biosciences based?

Retro Biosciences is based in the United States.

Companies like Retro Biosciences

In the same sector, and raised in the last eighteen months.

Journify$12M · Nov 2026Nooks$543M · Nov 2026Laza Medical$160M · Nov 2026Guava$13M · Nov 2026Applied Compute$580M · Nov 2026Agrani Labs$123M · Nov 2026

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