# 12 Sigma funding: rounds and investors

> 12 Sigma has raised $30M across 1 round since 2017. Investors include ZhenFund, Matrix Partners China and K2VC. Every round with its source.

Source: https://millionrounds.com/company/12-sigma (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *12 Sigma*

One round we have observed, with the 7 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.

Biotech Healthcare

Funding summary Updated 26 Oct 2026

**$30M** raised across 1 round since 2017, from 2 sources

- **Latest round:** Series B, $30M Dec 2017
- **Investors:** 7

See who backed them

## The rounds

- **Dec 2017** Series B **$30M** [ZhenFund](https://millionrounds.com/fund/zhenfund) [Matrix Partners China](https://millionrounds.com/fund/matrix-partners-china-2) [K2VC](https://millionrounds.com/fund/k2vc) [Matrix](https://millionrounds.com/fund/matrix) Delian SBVC/ CDBI Zhen Reported by China Money Network and 1 other

## Everyone who backed them

[ZhenFund](https://millionrounds.com/fund/zhenfund) VC firm **1** round

[Matrix Partners China](https://millionrounds.com/fund/matrix-partners-china-2) VC firm **1** round

[K2VC](https://millionrounds.com/fund/k2vc) VC firm **1** round

[Matrix](https://millionrounds.com/fund/matrix) Hedge fund **1** round

Delian no record of our own yet **1** round

SBVC/ CDBI no record of our own yet **1** round

Zhen no record of our own yet **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=12-sigma).

## Quick answers about 12 Sigma

### Who invested in 12 Sigma?

12 Sigma's investors include ZhenFund, Matrix Partners China, K2VC, Matrix and Delian, and 2 more on record.

### How much has 12 Sigma raised?

12 Sigma has raised $30M across 1 round since 2017.

### When did 12 Sigma last raise?

12 Sigma's most recent round was a Series B of $30M in Dec 2017.

### What was 12 Sigma's biggest round?

Its most recent round, $30M in Dec 2017, is also its largest on record.

### Who backed 12 Sigma first?

12 Sigma's first round on record, in Dec 2017, was backed by ZhenFund, Matrix Partners China and K2VC and 4 others.

### What stage is 12 Sigma at?

12 Sigma's latest named round is a Series B, in Dec 2017.

### Where is 12 Sigma based?

12 Sigma is based in the United States.

## Companies like 12 Sigma

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app