# Curio funding: rounds and investors

> Curio has raised $14M across 7 rounds since 2013. Investors include 500 Global, MassChallenge and SOSV. Every round with its source.

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

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

# Who invested in *Curio*

7 rounds we have observed, with the 17 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

Raised 3 months ago

Funding summary Updated 26 Oct 2026

**$14M** raised across 7 rounds since 2013, from 7 sources

**$25K** Seed **$3.7M** Seed **$1.6M** Round **$5.7M** Seed **$2.5M** Grant

- **Latest round:** Grant, $2.5M Aug 2026
- **Biggest round:** $5.7M Seed · Aug 2024
- **Investors:** 17

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 2023 2025

**$25K** Seed

**$3.7M** Seed

**$1.6M** Round

**$5.7M** Seed

**?** Venture

**$2.5M** Grant

- **First round:** Seed, $25K
- **Biggest round:** $5.7M
- **Usual gap between rounds:** 15 months

[**Curio** Health care 1 / 15 Their pitch deck **Curio's pitch deck, 15 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/curio)

## The rounds

- **Aug 2026** Grant **$2.5M** *1 new* [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Source recorded
- **Mar 2025** Venture **Amount undisclosed** *1 new* [MassChallenge](https://millionrounds.com/fund/masschallenge) Source recorded
- **Aug 2024** Seed **$5.7M** *4 new* [Robot Ventures](https://millionrounds.com/fund/robot-ventures) [TCG](https://millionrounds.com/fund/tcg) [OKX Ventures](https://millionrounds.com/fund/okx-ventures) [SevenX Ventures](https://millionrounds.com/fund/sevenx-ventures) Source recorded
- **May 2023** Venture **Amount undisclosed** *5 new* [500 Global](https://millionrounds.com/fund/500-startups) [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) [Horizons Ventures](https://millionrounds.com/fund/horizons-ventures) [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) [Molten Ventures](https://millionrounds.com/fund/molten-ventures) Source recorded
- **Aug 2022** Round **$1.6M** *1 new* [Exceptional Ventures](https://millionrounds.com/fund/exceptional-ventures) Source recorded
- **Jun 2022** Seed **$3.7M** *3 new* [Initialized Capital](https://millionrounds.com/fund/initialized-capital) [Orange DAO](https://millionrounds.com/fund/orange-dao) [Seven Seven Six](https://millionrounds.com/fund/seven-seven-six) Source recorded
- **Jan 2013** Seed **$25K** *2 new* [SOSV](https://millionrounds.com/fund/sosv) [HAXLR8R](https://millionrounds.com/fund/haxlr8r) From a historical funding record

## 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 **Seed** 2022 **Round** 2022 **Venture** 2023 **Seed** 2024 **Venture** 2025 **Grant** 2026 [500 Global](https://millionrounds.com/fund/500-startups) [MassChallenge](https://millionrounds.com/fund/masschallenge) [SOSV](https://millionrounds.com/fund/sosv) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) [Initialized Capital](https://millionrounds.com/fund/initialized-capital) [Horizons Ventures](https://millionrounds.com/fund/horizons-ventures) [Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) [Robot Ventures](https://millionrounds.com/fund/robot-ventures) [TCG](https://millionrounds.com/fund/tcg)

## Everyone who backed them

[500 Global](https://millionrounds.com/fund/500-startups) Angel **1** round

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

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

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

[Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) VC firm **1** round

[Initialized Capital](https://millionrounds.com/fund/initialized-capital) VC firm **1** round

[Horizons Ventures](https://millionrounds.com/fund/horizons-ventures) VC firm **1** round

[Cherry Ventures](https://millionrounds.com/fund/cherry-ventures) VC firm **1** round

[Robot Ventures](https://millionrounds.com/fund/robot-ventures) VC firm **1** round

[TCG](https://millionrounds.com/fund/tcg) Private equity **1** round

[Orange DAO](https://millionrounds.com/fund/orange-dao) VC firm **1** round

[OKX Ventures](https://millionrounds.com/fund/okx-ventures) Corporate VC **1** round

[Seven Seven Six](https://millionrounds.com/fund/seven-seven-six) VC firm **1** round

[Molten Ventures](https://millionrounds.com/fund/molten-ventures) VC firm **1** round

[HAXLR8R](https://millionrounds.com/fund/haxlr8r) VC firm **1** round

[SevenX Ventures](https://millionrounds.com/fund/sevenx-ventures) VC firm **1** round

[Exceptional Ventures](https://millionrounds.com/fund/exceptional-ventures) VC firm **1** round

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

## Quick answers about Curio

### Who invested in Curio?

Curio's investors include 500 Global, MassChallenge, SOSV, US Department of Energy and Earlybird Venture Capital, and 12 more on record.

### How much has Curio raised?

Curio has raised $14M across 7 rounds since 2013. 2 rounds did not disclose an amount, so the total is a floor.

### When did Curio last raise?

Curio's most recent round was a Grant of $2.5M in Aug 2026.

### What was Curio's biggest round?

Curio's largest round on record is $5.7M (Seed), in Aug 2024.

### Who backed Curio first?

Curio's first round on record, in Jan 2013, was backed by SOSV and HAXLR8R.

### What stage is Curio at?

Curio's latest named round is a Grant, in Aug 2026.

### Where is Curio based?

Curio is based in the United States.

## Companies like Curio

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)

## Find investors like these

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