# Mosaic funding: rounds and investors

> Mosaic has raised $341M across 13 rounds since 2012. Investors include Radical Ventures, Y Combinator and Spring Ventures. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Mosaic*

13 rounds we have observed, with the 22 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.

AI Enterprise Software Financial Services SaaS

Raised 2 months ago

Follow Mosaic and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fmosaic)

Funding summary Updated 5 Nov 2026

**$341M** raised across 13 rounds since 2012, from 14 sources

**$220M** Round

- **Latest round:** Pre-seed, $500K Sept 2026
- **Biggest round:** $220M Round · Aug 2016
- **Investors:** 22 (1 led)

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.

2012 2014 2016 2018 2020 2022 2024 2026

**$2.5M** Series A

**$2.0M** Grant

**$6.5M** Venture

**$220M** Round

**$4.0M** Round

**$44M** Series B

**$8.5M** Venture

**$500K** Pre-seed

**$18M** Series A

**$500K** Pre-seed

- **First round:** Series A, $2.5M
- **Biggest round:** $220M
- **Usual gap between rounds:** 13 months

[**Mosaic** AI 1 / 21 Their pitch deck **Mosaic's pitch deck, 21 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/mosaic)

## The rounds

- **Sept 2026** Pre-seed **$500K** *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded
- **May 2026** Series A **$18M** *1 returning* [Radical Ventures](https://millionrounds.com/fund/radical-ventures) Lead Reported by Ventureburn SEC filing: $18M sold
- **Apr 2026** Series A **$18M** *2 new* [Flybridge](https://millionrounds.com/fund/flybridge) [Radical Ventures](https://millionrounds.com/fund/radical-ventures) Source recorded
- **Mar 2025** Pre-seed **$500K** *3 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Innovate UK](https://millionrounds.com/fund/innovate-uk) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Source recorded and 1 other
- **Jun 2024** Venture **$8.5M** *2 new* [ff Venture Capital](https://millionrounds.com/fund/ff-venture-capital) [Ocean Azul Partners](https://millionrounds.com/fund/ocean-azul-partners) Source recorded
- **Nov 2021** Series B **$44M** *6 new* [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [SV Angel](https://millionrounds.com/fund/sv-angel) [Founders Fund](https://millionrounds.com/fund/founders-fund) [8VC](https://millionrounds.com/fund/8vc) [Slow Ventures](https://millionrounds.com/fund/slow-ventures) [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) Source recorded
- **Jun 2021** Round **$4.0M** No investor was named in the report. Reported by Ocean Azul Partners
- **Aug 2016** Round **$220M** *1 new* [Warburg Pincus](https://millionrounds.com/fund/warburg-pincus) Reported by FinSMEs
- **Mar 2014** Venture **$6.5M** No investor was named in the report. From a historical funding record
- **Jul 2013** Series B **$15M** *6 new* [Serious Change](https://millionrounds.com/fund/serious-change) [Blue Haven Initiative](https://millionrounds.com/fund/blue-haven-initiative) [Bronze Investments](https://millionrounds.com/fund/bronze-investments) [Andrew Beebe](https://millionrounds.com/fund/andrew-beebe) [California Endowment](https://millionrounds.com/fund/california-endowment) Ben Tarbell Reported by pevc.dowjones.com
- **Jul 2012** Venture **$920K** *1 returning* [Spring Ventures](https://millionrounds.com/fund/spring-ventures) From a historical funding record
- **Jun 2012** Grant **$2.0M** *1 new* [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Reported by techcrunch.com
- **May 2012** Series A **$2.5M** *1 new* [Spring Ventures](https://millionrounds.com/fund/spring-ventures) Reported by techcrunch.com

## Founders and team

From Mosaic's own website: 1 on the team.

- **Dana K. Structural Engineer** Open role Interior Designer

## 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.

**Round** 2016 **Round** 2021 **Series B** 2021 **Venture** 2024 **Pre-seed** 2025 **Series A** 2026 **Series A** 2026 **Pre-seed** 2026 [Radical Ventures](https://millionrounds.com/fund/radical-ventures) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [Spring Ventures](https://millionrounds.com/fund/spring-ventures) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [SV Angel](https://millionrounds.com/fund/sv-angel) [Founders Fund](https://millionrounds.com/fund/founders-fund) [Innovate UK](https://millionrounds.com/fund/innovate-uk) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Flybridge](https://millionrounds.com/fund/flybridge) [8VC](https://millionrounds.com/fund/8vc)

## Everyone who backed them

[Radical Ventures](https://millionrounds.com/fund/radical-ventures) VC firm **2** rounds, led 1

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

[Spring Ventures](https://millionrounds.com/fund/spring-ventures) Advisor **2** rounds

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round

[SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round

[Founders Fund](https://millionrounds.com/fund/founders-fund) VC firm **1** round

[Innovate UK](https://millionrounds.com/fund/innovate-uk) VC firm **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

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

[8VC](https://millionrounds.com/fund/8vc) VC firm **1** round

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

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

[ff Venture Capital](https://millionrounds.com/fund/ff-venture-capital) VC firm **1** round

[Warburg Pincus](https://millionrounds.com/fund/warburg-pincus) Private equity **1** round

[Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) Family office **1** round

[Ocean Azul Partners](https://millionrounds.com/fund/ocean-azul-partners) VC firm **1** round

[Serious Change](https://millionrounds.com/fund/serious-change) VC firm **1** round

[Blue Haven Initiative](https://millionrounds.com/fund/blue-haven-initiative) VC firm **1** round

[Bronze Investments](https://millionrounds.com/fund/bronze-investments) VC firm **1** round

[Andrew Beebe](https://millionrounds.com/fund/andrew-beebe) Angel **1** round

[California Endowment](https://millionrounds.com/fund/california-endowment) Institutional LP **1** round

Ben Tarbell no record of our own yet **1** round

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

## Quick answers about Mosaic

### Who invested in Mosaic?

Mosaic's investors include Radical Ventures, Y Combinator, Spring Ventures, Andreessen Horowitz and SV Angel, and 17 more on record.

### How much has Mosaic raised?

Mosaic has raised $341M across 13 rounds since 2012.

### When did Mosaic last raise?

Mosaic's most recent round was a Pre-seed of $500K in Sept 2026.

### What was Mosaic's biggest round?

Mosaic's largest round on record is $220M (Undisclosed round), in Aug 2016.

### Who backed Mosaic first?

Mosaic's first round on record, in May 2012, was backed by Spring Ventures.

### What stage is Mosaic at?

Mosaic's latest named round is a Pre-seed, in Sept 2026.

### Where is Mosaic based?

Mosaic is based in the United States.

### Who led Mosaic's rounds?

Radical Ventures led the Series A in 2026.

## Companies like Mosaic

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

[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app