# April Bio funding: rounds and investors

> April Bio has raised $22M across 1 round since 2021. Investors include Premier Partners and LB Investment. Every round with its source.

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

[Series C startup](https://millionrounds.com/companies)

# Who invested in *April Bio*

One round we have observed, with the 2 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

Funding summary Updated 26 Oct 2026

**$22M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series C, $22M Aug 2021
- **Investors:** 2

See who backed them

## The rounds

- **Aug 2021** Series C **$22M** [Premier Partners](https://millionrounds.com/fund/premier-partners) [LB Investment](https://millionrounds.com/fund/lb-investment) Source recorded

## Everyone who backed them

[Premier Partners](https://millionrounds.com/fund/premier-partners) VC firm **1** round

[LB Investment](https://millionrounds.com/fund/lb-investment) Private equity **1** round

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

## Also claim to have backed them

These 2 firms list April Bio 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.

[SJ Investment Part...](https://millionrounds.com/fund/sj-investment-part) VC firm Per its own site

[SM-Sino Technology Investment](https://millionrounds.com/fund/sm-sino-technology-investment) VC firm Per its own site

## Quick answers about April Bio

### Who invested in April Bio?

April Bio's investors include Premier Partners and LB Investment.

### How much has April Bio raised?

April Bio has raised $22M across 1 round since 2021.

### When did April Bio last raise?

April Bio's most recent round was a Series C of $22M in Aug 2021.

### What was April Bio's biggest round?

Its most recent round, $22M in Aug 2021, is also its largest on record.

### Who backed April Bio first?

April Bio's first round on record, in Aug 2021, was backed by Premier Partners and LB Investment.

### What stage is April Bio at?

April Bio's latest named round is a Series C, in Aug 2021.

## Companies like April Bio

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

[**Cheiron** $8.0M · Jul 2026](https://millionrounds.com/company/cheiron)[**Celloid** $6.1M · Mar 2026](https://millionrounds.com/company/celloid)[**CSR Biotech** Mar 2026](https://millionrounds.com/company/csr-biotech)[**Validfor** $1.2M · Feb 2026](https://millionrounds.com/company/validfor)[**Huixin Bio** $14M · Feb 2026](https://millionrounds.com/company/huixin-bio)[**Alioth** $14M · Jan 2026](https://millionrounds.com/company/alioth)

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