# O2 RegenTech funding: rounds and investors

> O2 RegenTech has raised $250K across 1 round since 2021. Investors include National Science Foundation, MassChallenge and Newchip Accelerator.

Source: https://millionrounds.com/company/o2-regentech (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *O2 RegenTech*

One round we have observed, with the 4 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

Funding summary Updated 26 Oct 2026

**$250K** raised across 1 round since 2021, from 1 source

- **Latest round:** Seed, $250K Jul 2021
- **Investors:** 4

See who backed them

## The rounds

- **Jul 2021** Seed **$250K** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [MassChallenge](https://millionrounds.com/fund/masschallenge) [Newchip Accelerator](https://millionrounds.com/fund/newchip-accelerator) [National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Source recorded

## Everyone who backed them

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

[MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round

[Newchip Accelerator](https://millionrounds.com/fund/newchip-accelerator) Accelerator **1** round

[National Institutes of Health](https://millionrounds.com/fund/national-institutes-of-health) Government **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=o2-regentech).

## Quick answers about O2 RegenTech

### Who invested in O2 RegenTech?

O2 RegenTech's investors include National Science Foundation, MassChallenge, Newchip Accelerator and National Institutes of Health.

### How much has O2 RegenTech raised?

O2 RegenTech has raised $250K across 1 round since 2021.

### When did O2 RegenTech last raise?

O2 RegenTech's most recent round was a Seed of $250K in Jul 2021.

### What was O2 RegenTech's biggest round?

Its most recent round, $250K in Jul 2021, is also its largest on record.

### Who backed O2 RegenTech first?

O2 RegenTech's first round on record, in Jul 2021, was backed by National Science Foundation, MassChallenge and Newchip Accelerator and 1 others.

### What stage is O2 RegenTech at?

O2 RegenTech's latest named round is a Seed, in Jul 2021.

### Where is O2 RegenTech based?

O2 RegenTech is based in the United States.

## Companies like O2 RegenTech

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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