# SirionLabs funding: rounds and investors

> SirionLabs has raised $17M across 2 rounds since 2014. Investors include Sequoia Capital. Every round with its source.

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

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

# Who invested in *SirionLabs*

2 rounds we have observed, with the one investor 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.

Enterprise

Funding summary Updated 26 Oct 2026

**$17M** raised across 2 rounds since 2014, from 2 sources

**$4.6M** Series A **$12M** Series B

- **Latest round:** Series B, $12M Jul 2016
- **Step-up i:** 2.7×
- **Investors:** 1

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.

2015 2016

**$4.6M** Series A

**$12M** Series B

- **First round:** Series A, $4.6M
- **Biggest round:** $12M
- **Between rounds:** 2.3 years

## The rounds

- **Jul 2016** Series B **$12M** *1 returning* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) Reported by Spendmatters
- **Apr 2014** Series A **$4.6M** *1 new* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) From a historical funding record

## Everyone who backed them

[Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **2** rounds

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

## Also claim to have backed them

This firm lists SirionLabs 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.

[Avatar Growth Capital Partners](https://millionrounds.com/fund/avatar-growth-capital) VC firm Per its own site

## Quick answers about SirionLabs

### Who invested in SirionLabs?

SirionLabs's investors include Sequoia Capital.

### How much has SirionLabs raised?

SirionLabs has raised $17M across 2 rounds since 2014.

### When did SirionLabs last raise?

SirionLabs's most recent round was a Series B of $12M in Jul 2016.

### What was SirionLabs's biggest round?

Its most recent round, $12M in Jul 2016, is also its largest on record.

### Who backed SirionLabs first?

SirionLabs's first round on record, in Apr 2014, was backed by Sequoia Capital.

### What stage is SirionLabs at?

SirionLabs's latest named round is a Series B, in Jul 2016.

### Where is SirionLabs based?

SirionLabs is based in the United States.

## Companies like SirionLabs

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

[**MURAL** $67M · Oct 2026](https://millionrounds.com/company/mural)[**Fireworks AI** $1.7B · Oct 2026](https://millionrounds.com/company/fireworks-ai)[**Otter.ai** $360M · Oct 2026](https://millionrounds.com/company/otter-ai)[**Town** $241M · Oct 2026](https://millionrounds.com/company/town)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Clueso** $11M · Oct 2026](https://millionrounds.com/company/clueso)

## Find investors like these

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