# NextBio funding: rounds and investors

> NextBio has raised $22M across 4 rounds since 2005. Investors include Amidzad Partners, Newbury Ventures and Ridge Ventures. Every round with its source.

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

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

# Who invested in *NextBio*

4 rounds we have observed, with the 6 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.

Manufacturing

Funding summary Updated 26 Oct 2026

**$22M** raised across 4 rounds since 2005, from 4 sources

**$1.1M** Series A **$7.0M** Series B **$8.0M** Series C **$5.8M** Series B

- **Latest round:** Series B, $5.8M Dec 2023
- **Biggest round:** $8.0M Series C · Sept 2009
- **Investors:** 6

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.

2005 2008 2011 2014 2017 2020 2023

**$1.1M** Series A

**$7.0M** Series B

**$8.0M** Series C

**$5.8M** Series B

- **First round:** Series A, $1.1M
- **Biggest round:** $8.0M
- **Usual gap between rounds:** 2.4 years

## The rounds

- **Dec 2023** Series B **$5.8M** *2 new* [Ridge Ventures](https://millionrounds.com/fund/ridge-ventures) [Stonebridge Ventures](https://millionrounds.com/fund/stonebridge-ventures) Source recorded
- **Sept 2009** Series C **$8.0M** *2 new* *1 returning* [Cota Capital](https://millionrounds.com/fund/cota-capital) [Signatures Capital](https://millionrounds.com/fund/signatures-capital) [Newbury Ventures](https://millionrounds.com/fund/rising-tide-vc) Reported by paidcontent.org SEC filing: $6.8M sold, first sale Dec 2008
- **Jun 2007** Series B **$7.0M** *1 new* *1 returning* [Amidzad Partners](https://millionrounds.com/fund/amidzad-partners) [Newbury Ventures](https://millionrounds.com/fund/rising-tide-vc) Reported by venturebeat.com
- **Jan 2005** Series A **$1.1M** *1 new* [Amidzad Partners](https://millionrounds.com/fund/amidzad-partners) Reported by venturebeat.com

## Founders and team

From the SEC filings it signed: 2 on the team.

- **Saeid Akhtari** Executive Officer, Director i
- **Shahram Seyedin-Noor** Executive Officer i

On the board, as filed i *Amir Abolfathi* *Bruce Bauer* *David Barker* *Mostafa Ronaghi*

## 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.

**Series A** 2005 **Series B** 2007 **Series C** 2009 **Series B** 2023 [Amidzad Partners](https://millionrounds.com/fund/amidzad-partners) [Newbury Ventures](https://millionrounds.com/fund/rising-tide-vc) [Ridge Ventures](https://millionrounds.com/fund/ridge-ventures) [Cota Capital](https://millionrounds.com/fund/cota-capital) [Signatures Capital](https://millionrounds.com/fund/signatures-capital) [Stonebridge Ventures](https://millionrounds.com/fund/stonebridge-ventures)

## The exit

Exit Buyer Price When

Acquired [Illumina](https://millionrounds.com/fund/illumina) undisclosed Oct 2013

From historical deal records. Wrong? [Tell us](https://millionrounds.com/corrections?slug=nextbio).

## Everyone who backed them

[Amidzad Partners](https://millionrounds.com/fund/amidzad-partners) VC firm **2** rounds

[Newbury Ventures](https://millionrounds.com/fund/rising-tide-vc) VC firm **2** rounds

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

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

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

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

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

## Quick answers about NextBio

### Who invested in NextBio?

NextBio's investors include Amidzad Partners, Newbury Ventures, Ridge Ventures, Cota Capital and Signatures Capital, and 1 more on record.

### How much has NextBio raised?

NextBio has raised $22M across 4 rounds since 2005.

### When did NextBio last raise?

NextBio's most recent round was a Series B of $5.8M in Dec 2023.

### What was NextBio's biggest round?

NextBio's largest round on record is $8.0M (Series C), in Sept 2009.

### Who backed NextBio first?

NextBio's first round on record, in Jan 2005, was backed by Amidzad Partners.

### What stage is NextBio at?

NextBio's latest named round is a Series B, in Dec 2023.

### Where is NextBio based?

NextBio is based in the United States.

## Companies like NextBio

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

[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Origin** $121M · Oct 2026](https://millionrounds.com/company/origin)[**Jeevy Fabrication** Oct 2026](https://millionrounds.com/company/jeevy-fabrication)

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