# Serionix funding: rounds and investors

> Serionix has raised $1.6M across 2 rounds since 2013. Investors include Serra Ventures and National Science Foundation. Every round with its source.

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

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

# Who invested in *Serionix*

2 rounds we have observed, with the 2 investors 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.

Biotech

Funding summary Updated 26 Oct 2026

**$1.6M** raised across 2 rounds since 2013, from 2 sources

**$165K** Seed **$1.4M** Debt

- **Latest round:** Debt, $1.4M Dec 2022
- **Step-up i:** 8.5×
- **Investors:** 2

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.

2013 2015 2017 2019 2021

**$165K** Seed

**$1.4M** Debt

- **First round:** Seed, $165K
- **Biggest round:** $1.4M
- **Between rounds:** 9.8 years

## The rounds

- **Dec 2022** Debt **$1.4M** *1 new* *1 returning* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Serra Ventures](https://millionrounds.com/fund/serra-ventures) Source recorded SEC filing: $738K sold, first sale Dec 2022
- **Feb 2013** Seed **$165K** *1 new* [Serra Ventures](https://millionrounds.com/fund/serra-ventures) From a historical funding record SEC filing: $325K sold, first sale Feb 2013

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Seed** 2013 **Debt** 2022 [Serra Ventures](https://millionrounds.com/fund/serra-ventures) [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno)

## Everyone who backed them

[Serra Ventures](https://millionrounds.com/fund/serra-ventures) VC firm **2** rounds

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

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

## Quick answers about Serionix

### Who invested in Serionix?

Serionix's investors include Serra Ventures and National Science Foundation.

### How much has Serionix raised?

Serionix has raised $1.6M across 2 rounds since 2013.

### When did Serionix last raise?

Serionix's most recent round was a Debt of $1.4M in Dec 2022.

### What was Serionix's biggest round?

Its most recent round, $1.4M in Dec 2022, is also its largest on record.

### Who backed Serionix first?

Serionix's first round on record, in Feb 2013, was backed by Serra Ventures.

### What stage is Serionix at?

Serionix's latest named round is a Debt, in Dec 2022.

### Where is Serionix based?

Serionix is based in the United States.

## Companies like Serionix

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)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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