# OrsoBio funding: rounds and investors

> OrsoBio has raised $67M across 1 round since 2024. Investors include Eli Lilly, Samsara BioCapital and Longitude Capital. Every round with its source.

Source: https://millionrounds.com/company/orsobio (Millionrounds; every figure on the page links to its filing or article)

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *OrsoBio*

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Pharma

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Funding summary Updated 27 Oct 2026

**$67M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series B, $67M Sept 2024
- **Investors:** 3

See who backed them

## The rounds

- **Sept 2024** Series B **$67M** [Eli Lilly](https://millionrounds.com/fund/eli-lilly) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [Longitude Capital](https://millionrounds.com/fund/longitude-capital) Source recorded SEC filing: $40M sold, first sale Aug 2024

## Everyone who backed them

[Eli Lilly](https://millionrounds.com/fund/eli-lilly) Corporate VC **1** round

[Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **1** round

[Longitude Capital](https://millionrounds.com/fund/longitude-capital) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=orsobio).

## Also claim to have backed them

This firm lists OrsoBio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Ascenta Capital](https://millionrounds.com/fund/ascenta-capital) VC firm Per its own site

## Quick answers about OrsoBio

### Who invested in OrsoBio?

OrsoBio's investors include Eli Lilly, Samsara BioCapital and Longitude Capital.

### How much has OrsoBio raised?

OrsoBio has raised $67M across 1 round since 2024.

### When did OrsoBio last raise?

OrsoBio's most recent round was a Series B of $67M in Sept 2024.

### What was OrsoBio's biggest round?

Its most recent round, $67M in Sept 2024, is also its largest on record.

### Who backed OrsoBio first?

OrsoBio's first round on record, in Sept 2024, was backed by Eli Lilly, Samsara BioCapital and Longitude Capital.

### What stage is OrsoBio at?

OrsoBio's latest named round is a Series B, in Sept 2024.

### Where is OrsoBio based?

OrsoBio is based in the United States.

## Companies like OrsoBio

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

[**Matchpoint Therapeutics** $220M · Oct 2026](https://millionrounds.com/company/matchpoint-therapeutics)[**Rx Bandz** Oct 2026](https://millionrounds.com/company/rx-bandz)[**Hera Biotech** $1.8M · Sept 2026](https://millionrounds.com/company/hera-biotech)[**GevRx Nutraceuticals** $300K · Sept 2026](https://millionrounds.com/company/gevrx-nutraceuticals)[**Alzheon** $99M · Sept 2026](https://millionrounds.com/company/alzheon)[**RegCell** $81M · Sept 2026](https://millionrounds.com/company/regcell)

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