# Aspero Medical funding: rounds and investors

> Aspero Medical has raised $250K across 1 round since 2024. Investors include National Science Foundation, Colorado Office of Economic Development and...

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

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

# Who invested in *Aspero Medical*

One round we have observed, with the 3 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 2024, from 1 source

- **Latest round:** Grant, $250K May 2024
- **Investors:** 3

See who backed them

## The rounds

- **May 2024** Grant **$250K** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Colorado Office of Economic Development and International Trade](https://millionrounds.com/fund/colorado-office-of-economic-development-and-international-tr) [Rockies Venture Club](https://millionrounds.com/fund/rockies-venture-club) Source recorded

## Founders and team

From the SEC filings it signed: 1 on the team.

- **Mark Rentschler** Executive Officer, Director i

On the board, as filed i *Mike Freeman*

## Everyone who backed them

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

[Colorado Office of Economic Development and International Trade](https://millionrounds.com/fund/colorado-office-of-economic-development-and-international-tr) Government **1** round

[Rockies Venture Club](https://millionrounds.com/fund/rockies-venture-club) Angel network **1** round

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

## Also claim to have backed them

This firm lists Aspero Medical as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Nebraska Angel Network](https://millionrounds.com/fund/nebraska-angels) Angel network Per its own site

## Quick answers about Aspero Medical

### Who invested in Aspero Medical?

Aspero Medical's investors include National Science Foundation, Colorado Office of Economic Development and International Trade and Rockies Venture Club.

### How much has Aspero Medical raised?

Aspero Medical has raised $250K across 1 round since 2024.

### When did Aspero Medical last raise?

Aspero Medical's most recent round was a Grant of $250K in May 2024.

### What was Aspero Medical's biggest round?

Its most recent round, $250K in May 2024, is also its largest on record.

### Who backed Aspero Medical first?

Aspero Medical's first round on record, in May 2024, was backed by National Science Foundation, Colorado Office of Economic Development and International Trade and Rockies Venture Club.

### What stage is Aspero Medical at?

Aspero Medical's latest named round is a Grant, in May 2024.

### Where is Aspero Medical based?

Aspero Medical is based in the United States.

## Companies like Aspero Medical

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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