United States · 
Who invested in CiDRA?
CiDRA's investors include Connecticut Innovations and Advantage Capital.
20092011201320152017201920212023
$4.0MDebt$10MVenture$18MVentureUnited States · Venture startup
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.
Funding summaryUpdated 26 Oct 2026
$32Mraised across 3 rounds since 2009, from 3 sources
$4.0MDebt$10MVenture$18MVenture
- Latest round
- Venture, $18MSept 2023
- Step-upi
- 1.8×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Debt, $4.0M Jun 2009
- Biggest round
- $18M Venture · Sept 2023
- Usual gap between rounds
- 12 years the median of 2
The rounds
- Sept 2023Venture$18M2 new
Source recordedSEC filing: $18M sold, first sale Aug 2023
- Aug 2011Venture$10M
No investor was named in the report.
Reported by masshightech.comSEC filing: $10.0M sold, first sale Aug 2011
- Jun 2009Debt$4.0M
No investor was named in the report.
From a historical funding recordSEC 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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
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.
Quick answers about CiDRA
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.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.