# OncoC4 funding: rounds and investors

> OncoC4 has raised $50M across 1 round since 2025. Investors include Kaitai Capital and 3E Bioventures. Every round with its source.

Source: https://millionrounds.com/company/oncoc4 (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *OncoC4*

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

**$50M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series B, $50M Oct 2025
- **Investors:** 2

See who backed them

## The rounds

- **Oct 2025** Series B **$50M** [Kaitai Capital](https://millionrounds.com/fund/kaitai-capital) [3E Bioventures](https://millionrounds.com/fund/3e-bioventures) Source recorded

## Everyone who backed them

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

[3E Bioventures](https://millionrounds.com/fund/3e-bioventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=oncoc4).

## Quick answers about OncoC4

### Who invested in OncoC4?

OncoC4's investors include Kaitai Capital and 3E Bioventures.

### How much has OncoC4 raised?

OncoC4 has raised $50M across 1 round since 2025.

### When did OncoC4 last raise?

OncoC4's most recent round was a Series B of $50M in Oct 2025.

### What was OncoC4's biggest round?

Its most recent round, $50M in Oct 2025, is also its largest on record.

### Who backed OncoC4 first?

OncoC4's first round on record, in Oct 2025, was backed by Kaitai Capital and 3E Bioventures.

### What stage is OncoC4 at?

OncoC4's latest named round is a Series B, in Oct 2025.

### Where is OncoC4 based?

OncoC4 is based in the United States.

## Companies like OncoC4

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)[**RegCell** $81M · Sept 2026](https://millionrounds.com/company/regcell)[**ClearSight Therapeutics** $307K · Sept 2026](https://millionrounds.com/company/clearsight-therapeutics)

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