# Ambiq Micro funding: rounds and investors

> Ambiq Micro has raised $244M across 11 rounds since 2010. Investors include Mercury Fund, John Ives and DFJ. Every round with its source.

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

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

# Who invested in *Ambiq Micro*

11 rounds we have observed, with the 13 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 Manufacturing

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$244M** raised across 11 rounds since 2010, from 11 sources

**$250K** Seed **$2.4M** Seed **$694K** Debt **$1.1M** Venture **$3.6M** Series B **$3.2M** Venture **$10M** Series B **$16M** Series C **$90K** Round **$28M** Series E **$179M** Round

- **Latest round:** Round, $179M Jun 2026
- **Step-up i:** 6.4×
- **Investors:** 13

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.

2010 2013 2016 2019 2022 2025

**$250K** Seed

**$2.4M** Seed

**$694K** Debt

**$1.1M** Venture

**$10M** Series B

**$16M** Series C

**$90K** Round

**$28M** Series E

**$179M** Round

- **First round:** Seed, $250K
- **Biggest round:** $179M
- **Usual gap between rounds:** 8 months

## The rounds

- **Jun 2026** Round **$179M** *2 new* [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [Taiwania Capital](https://millionrounds.com/fund/taiwania-capital) Source recorded
- **Nov 2018** Series E **$28M** *1 new* [EDBI](https://millionrounds.com/fund/edbi) Reported by DealStreetAsia SEC filing: $29M sold, first sale May 2018
- **May 2015** Round **$90K** No investor was named in the report. From a historical funding record SEC filing: $90K sold, first sale May 2015
- **Nov 2014** Series C **$16M** *3 new* *3 returning* [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Austin Ventures](https://millionrounds.com/fund/austin-ventures) [Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) [Mercury Fund](https://millionrounds.com/fund/mercury-fund) [KPCB Holdings](https://millionrounds.com/fund/kpcb-holdings) [John Ives](https://millionrounds.com/fund/john-ives) From a historical funding record SEC filing: $16M sold, first sale Nov 2014
- **Aug 2013** Series B **$10M** *2 new* *3 returning* [Austin Ventures](https://millionrounds.com/fund/austin-ventures) [Mercury Fund](https://millionrounds.com/fund/mercury-fund) [Huron River Ventures](https://millionrounds.com/fund/huron-river-ventures) [John Ives](https://millionrounds.com/fund/john-ives) [Arm Holdings](https://millionrounds.com/fund/arm-holdings) Reported by finsmes.com SEC filing: $10M sold, first sale Aug 2013
- **Jul 2013** Venture **$3.2M** No investor was named in the report. Reported by sec.gov SEC filing: $3.2M sold, first sale Jun 2013
- **Nov 2012** Series B **$3.6M** *2 returning* [DFJ](https://millionrounds.com/fund/dfj) [Mercury Fund](https://millionrounds.com/fund/mercury-fund) Reported by bizjournals.com SEC filing: $3.7M sold, first sale Oct 2012
- **Jul 2012** Venture **$1.1M** No investor was named in the report. Reported by sec.gov SEC filing: $1.1M sold, first sale Jul 2012
- **Feb 2012** Debt **$694K** No investor was named in the report. Reported by sec.gov SEC filing: $694K sold, first sale Feb 2012
- **Nov 2010** Seed **$2.4M** *2 new* [Mercury Fund](https://millionrounds.com/fund/mercury-fund) [Huron River Ventures](https://millionrounds.com/fund/huron-river-ventures) Reported by fis.dowjones.com SEC filing: $1.2M sold, first sale Oct 2010
- **Jul 2010** Seed **$250K** *3 new* [DFJ](https://millionrounds.com/fund/dfj) [Cisco](https://millionrounds.com/fund/cisco) [John Ives](https://millionrounds.com/fund/john-ives) Reported by gcase.org SEC filing: $50K sold, first sale Aug 2010

## Founders and team

From Ambiq Micro's own website: 1 founder, 7 on the team.

**Scott Hanson** Founder, CTO

- **Fumihide Esaka** CEO
- **Sean Chen** President
- **Jeff Winzeler** CFO
- **Dan Cermak** VP of Corporate Strategy
- **Dr. Kris Potrafka** VP of Human Resources
- **Jayesh Shah** VP of Software & Solutions
- **Paula Floyd** VP of Finance

## 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.

**Venture** 2012 **Series B** 2012 **Venture** 2013 **Series B** 2013 **Series C** 2014 **Round** 2015 **Series E** 2018 **Round** 2026 [Mercury Fund](https://millionrounds.com/fund/mercury-fund) [John Ives](https://millionrounds.com/fund/john-ives) [DFJ](https://millionrounds.com/fund/dfj) [Austin Ventures](https://millionrounds.com/fund/austin-ventures) [Huron River Ventures](https://millionrounds.com/fund/huron-river-ventures) [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) [Cisco](https://millionrounds.com/fund/cisco) [EDBI](https://millionrounds.com/fund/edbi)

## Everyone who backed them

[Mercury Fund](https://millionrounds.com/fund/mercury-fund) VC firm **4** rounds

[John Ives](https://millionrounds.com/fund/john-ives) Angel **3** rounds

[DFJ](https://millionrounds.com/fund/dfj) VC firm **2** rounds

[Austin Ventures](https://millionrounds.com/fund/austin-ventures) VC firm **2** rounds

[Huron River Ventures](https://millionrounds.com/fund/huron-river-ventures) VC firm **2** rounds

[Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) VC firm **1** round

[Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **1** round

[Draper Fisher Jurvetson (DFJ)](https://millionrounds.com/fund/draper-fisher-jurvetson-dfj) Investment firm **1** round

[Cisco](https://millionrounds.com/fund/cisco) Corporate VC **1** round

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

[Taiwania Capital](https://millionrounds.com/fund/taiwania-capital) Growth equity **1** round

[KPCB Holdings](https://millionrounds.com/fund/kpcb-holdings) Investment firm **1** round

[Arm Holdings](https://millionrounds.com/fund/arm-holdings) Growth equity **1** round

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

## Also claim to have backed them

These 3 firms list Ambiq Micro 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.

[Tyche Partners](https://millionrounds.com/fund/tyche-partners) VC firm Per its own site

[West Fountain Global Fund](https://millionrounds.com/fund/west-fountain-global-fund) VC firm Per its own site

[New Future Capital](https://millionrounds.com/fund/new-future-capital) Growth equity Per its own site

## Quick answers about Ambiq Micro

### Who invested in Ambiq Micro?

Ambiq Micro's investors include Mercury Fund, John Ives, DFJ, Austin Ventures and Huron River Ventures, and 8 more on record.

### How much has Ambiq Micro raised?

Ambiq Micro has raised $244M across 11 rounds since 2010.

### When did Ambiq Micro last raise?

Ambiq Micro's most recent round was an Undisclosed round of $179M in Jun 2026.

### What was Ambiq Micro's biggest round?

Its most recent round, $179M in Jun 2026, is also its largest on record.

### Who backed Ambiq Micro first?

Ambiq Micro's first round on record, in Jul 2010, was backed by DFJ, Cisco and John Ives.

### What stage is Ambiq Micro at?

Ambiq Micro's latest named round is an Undisclosed round, in Jun 2026.

### Where is Ambiq Micro based?

Ambiq Micro is based in the United States.

## Companies like Ambiq Micro

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)

## 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
