# Karbon funding: rounds and investors

> Karbon has raised $11M across 1 round since 2023. Investors include Blackbird Ventures, CIBC and CIBC Innovation Banking. Every round with its source.

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

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

# Who invested in *Karbon*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

IT Services

Funding summary Updated 26 Oct 2026

**$11M** raised across 1 round since 2023, from 1 source

- **Latest round:** Venture, $11M Sept 2023
- **Investors:** 4

See who backed them

## The rounds

- **Sept 2023** Venture **$11M** [Blackbird Ventures](https://millionrounds.com/fund/blackbird-ventures-2) [CIBC](https://millionrounds.com/fund/cibc) [CIBC Innovation Banking](https://millionrounds.com/fund/cibc-innovation-banking) [Five Elms Capital](https://millionrounds.com/fund/five-elms-capital) Source recorded SEC filing: $10M sold, first sale Sept 2023

## Founders and team

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

- **John Freeman** Executive Officer, Director i
- **Mary Delaney** Executive Officer, Director i

On the board, as filed i *Dave Yuan* *Jack Newton* *Joe Onofrio*

## Everyone who backed them

[Blackbird Ventures](https://millionrounds.com/fund/blackbird-ventures-2) VC firm **1** round

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

[CIBC Innovation Banking](https://millionrounds.com/fund/cibc-innovation-banking) VC firm **1** round

[Five Elms Capital](https://millionrounds.com/fund/five-elms-capital) VC firm **1** round

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

## Quick answers about Karbon

### Who invested in Karbon?

Karbon's investors include Blackbird Ventures, CIBC, CIBC Innovation Banking and Five Elms Capital.

### How much has Karbon raised?

Karbon has raised $11M across 1 round since 2023.

### When did Karbon last raise?

Karbon's most recent round was a Venture of $11M in Sept 2023.

### What was Karbon's biggest round?

Its most recent round, $11M in Sept 2023, is also its largest on record.

### Who backed Karbon first?

Karbon's first round on record, in Sept 2023, was backed by Blackbird Ventures, CIBC and CIBC Innovation Banking and 1 others.

### What stage is Karbon at?

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

### Where is Karbon based?

Karbon is based in the United States.

## Companies like Karbon

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

[**Chariot Claims** $23M · Oct 2026](https://millionrounds.com/company/chariot-claims)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**FlexCompute** $53M · Oct 2026](https://millionrounds.com/company/flexcompute)[**Negosh** $3.1M · Oct 2026](https://millionrounds.com/company/negosh)[**StarLifter** $4.0M · Oct 2026](https://millionrounds.com/company/starlifter)[**Litewave.AI** $1.7M · Oct 2026](https://millionrounds.com/company/litewave-ai)

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