# CiDRA funding: rounds and investors

> CiDRA has raised $32M across 3 rounds since 2009. Investors include Connecticut Innovations and Advantage Capital. Every round with its source.

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

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

# Who invested in *CiDRA*

3 rounds we have observed, with the 2 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

**$32M** raised across 3 rounds since 2009, from 3 sources

**$4.0M** Debt **$10M** Venture **$18M** Venture

- **Latest round:** Venture, $18M Sept 2023
- **Step-up i:** 1.8×
- **Investors:** 2

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.

2009 2011 2013 2015 2017 2019 2021 2023

**$4.0M** Debt

**$10M** Venture

**$18M** Venture

- **First round:** Debt, $4.0M
- **Biggest round:** $18M
- **Usual gap between rounds:** 12 years

## The rounds

- **Sept 2023** Venture **$18M** *2 new* [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) [Advantage Capital](https://millionrounds.com/fund/advantage-capital) Source recorded SEC filing: $18M sold, first sale Aug 2023
- **Aug 2011** Venture **$10M** No investor was named in the report. Reported by masshightech.com SEC filing: $10.0M sold, first sale Aug 2011
- **Jun 2009** Debt **$4.0M** No investor was named in the report. From a historical funding record SEC filing: $4.0M sold, first sale May 2009

## 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.

**Debt** 2009 **Venture** 2011 **Venture** 2023 [Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) [Advantage Capital](https://millionrounds.com/fund/advantage-capital)

## Everyone who backed them

[Connecticut Innovations](https://millionrounds.com/fund/connecticut-innovations) Government **1** round

[Advantage Capital](https://millionrounds.com/fund/advantage-capital) Corporate VC **1** round

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

## Also claim to have backed them

This firm lists CiDRA 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.

[Open Field Capital](https://millionrounds.com/fund/open-field-capital) VC firm Per its own site

## Quick answers about CiDRA

### Who invested in CiDRA?

CiDRA's investors include Connecticut Innovations and Advantage Capital.

### How much has CiDRA raised?

CiDRA has raised $32M across 3 rounds since 2009.

### When did CiDRA last raise?

CiDRA's most recent round was a Venture of $18M in Sept 2023.

### What was CiDRA's biggest round?

Its most recent round, $18M in Sept 2023, is also its largest on record.

### Who backed CiDRA first?

CiDRA's first round on record, in Sept 2023, was backed by Connecticut Innovations and Advantage Capital.

### What stage is CiDRA at?

CiDRA's latest named round is a Venture, in Sept 2023.

### Where is CiDRA based?

CiDRA is based in the United States.

## Companies like CiDRA

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)

## Find investors like these

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