# Sunairio funding: rounds and investors

> Sunairio has raised $6.4M across 1 round since 2024. Investors include Techstars and MassMutual Ventures. Every round with its source.

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

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

# Who invested in *Sunairio*

One round we have observed, with the 2 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.

Big Data & Analytics

Funding summary Updated 26 Oct 2026

**$6.4M** raised across 1 round since 2024, from 1 source

- **Latest round:** Venture, $6.4M Dec 2024
- **Investors:** 2

See who backed them

## The rounds

- **Dec 2024** Venture **$6.4M** [Techstars](https://millionrounds.com/fund/techstars) [MassMutual Ventures](https://millionrounds.com/fund/massmutual-ventures) Source recorded SEC filing: $6.2M sold, first sale Dec 2024

## Founders and team

From Sunairio's own website: 12 on the team.

- **Eric Hewitt** Chief Technology Officer
- **Rob Cirincione** Chief Technology Officer
- **Aleksandar Popović** Senior Software Engineer
- **Brent Ho** Senior Analytics Engineer
- **Jelena Postolovic** Junior Software Engineer
- **John Enny** Director of Engineering
- **Justin Wolack** Senior Data Scientist
- **Patrick Hawbecker** Senior Analytics Engineer
- **Predrag Mujković** Senior DevOps / SRE Engineer
- **Robert Grathwohl** Senior Data Engineer
- **Sonja Ćiraković** Growth Associate
- **Zorica Pendić** Senior DevOps / SRE Engineer

Advisers *Barry Nelson* *Mason Shambeau* *Matthew Lackner*

## Everyone who backed them

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

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

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

## Also claim to have backed them

These 6 firms list Sunairio as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Rosecliff Ventures](https://millionrounds.com/fund/rosecliff) VC firm Per its own site

[Constellation Energy](https://millionrounds.com/fund/constellation-energy) VC firm Per its own site

[Stage Venture Partners](https://millionrounds.com/fund/stage-venture-partners) VC firm Per its own site

[Buoyant Ventures](https://millionrounds.com/fund/buoyant-ventures) VC firm Per its own site

[Keiki Capital](https://millionrounds.com/fund/keiki-capital) VC firm Per its own site

[Masa Impact](https://millionrounds.com/fund/masa-impact) VC firm Per its own site

## Quick answers about Sunairio

### Who invested in Sunairio?

Sunairio's investors include Techstars and MassMutual Ventures.

### How much has Sunairio raised?

Sunairio has raised $6.4M across 1 round since 2024.

### When did Sunairio last raise?

Sunairio's most recent round was a Venture of $6.4M in Dec 2024.

### What was Sunairio's biggest round?

Its most recent round, $6.4M in Dec 2024, is also its largest on record.

### Who backed Sunairio first?

Sunairio's first round on record, in Dec 2024, was backed by Techstars and MassMutual Ventures.

### What stage is Sunairio at?

Sunairio's latest named round is a Venture, in Dec 2024.

### Where is Sunairio based?

Sunairio is based in the United States.

## Companies like Sunairio

In the same sector, and raised in the last eighteen months.

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa)

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