# Respair, Inc. funding: rounds and investors

> Respair, Inc. has raised $2.5M across 2 rounds since 2025. Investors include Innovation Works and National Heart, Lung and Blood Institute.

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

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

# Who invested in *Respair, Inc.*

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.

Healthcare

Funding summary Updated 26 Oct 2026

**$2.5M** raised across 2 rounds since 2025, from 2 sources

**$2.2M** Seed **$305K** Grant

- **Latest round:** Grant, $305K Sept 2025
- **Biggest round:** $2.2M Seed · Jun 2025
- **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.

2026

**$2.2M** Seed

**$305K** Grant

- **First round:** Seed, $2.2M
- **Biggest round:** $2.2M
- **Between rounds:** 3 months

## The rounds

- **Sept 2025** Grant **$305K** *1 new* *1 returning* [Innovation Works](https://millionrounds.com/fund/innovation-works) [National Heart, Lung and Blood Institute](https://millionrounds.com/fund/national-heart-lung-and-blood-institute) Source recorded SEC filing: $2.2M sold, first sale May 2025
- **Jun 2025** Seed **$2.2M** *1 new* [Innovation Works](https://millionrounds.com/fund/innovation-works) Source recorded SEC filing: $2.2M sold, first sale May 2025

## 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** 2025 **Grant** 2025 [Innovation Works](https://millionrounds.com/fund/innovation-works) [National Heart, Lung and Blood Institute](https://millionrounds.com/fund/national-heart-lung-and-blood-institute)

## Everyone who backed them

[Innovation Works](https://millionrounds.com/fund/innovation-works) Government **2** rounds

[National Heart, Lung and Blood Institute](https://millionrounds.com/fund/national-heart-lung-and-blood-institute) VC firm **1** round

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

## Quick answers about Respair, Inc.

### Who invested in Respair, Inc.?

Respair, Inc.'s investors include Innovation Works and National Heart, Lung and Blood Institute.

### How much has Respair, Inc. raised?

Respair, Inc. has raised $2.5M across 2 rounds since 2025.

### When did Respair, Inc. last raise?

Respair, Inc.'s most recent round was a Grant of $305K in Sept 2025.

### What was Respair, Inc.'s biggest round?

Respair, Inc.'s largest round on record is $2.2M (Seed), in Jun 2025.

### Who backed Respair, Inc. first?

Respair, Inc.'s first round on record, in Jun 2025, was backed by Innovation Works.

### What stage is Respair, Inc. at?

Respair, Inc.'s latest named round is a Grant, in Sept 2025.

### Where is Respair, Inc. based?

Respair, Inc. is based in the United States.

## Companies like Respair, Inc.

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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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