# Cala Systems funding: rounds and investors

> Cala Systems has raised $13M across 2 rounds since 2025. Investors include Collaborative Fund, MassVentures and Climate Capital. Every round with its source.

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

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

# Who invested in *Cala Systems*

2 rounds we have observed, with the 4 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.

Energy

Funding summary Updated 26 Oct 2026

**$13M** raised across 2 rounds since 2025, from 2 sources

**$4.8M** Venture **$8.1M** Venture

- **Latest round:** Venture, $4.8M Jun 2025
- **Biggest round:** $8.1M Venture · Jun 2025
- **Investors:** 4

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.

2026

**$4.8M** Venture

**$8.1M** Venture

- **First round:** Venture, $4.8M
- **Biggest round:** $8.1M

## The rounds

- **Jun 2025** Venture **$4.8M** *3 new* [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [MassVentures](https://millionrounds.com/fund/massventures) [Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) Source recorded SEC filing: $4.8M sold, first sale May 2025
- **Jun 2025** Venture **$8.1M** *1 new* *1 returning* [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Climate Capital](https://millionrounds.com/fund/climate-capital) Source recorded SEC filing: $4.8M sold, first sale May 2025

## 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** 2025 **Venture** 2025 [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [MassVentures](https://millionrounds.com/fund/massventures) [Climate Capital](https://millionrounds.com/fund/climate-capital) [Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center)

## Everyone who backed them

[Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) VC firm **2** rounds

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

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

[Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) VC firm **1** round

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

## Also claim to have backed them

This firm lists Cala Systems 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.

[Clean Energy Venture](https://millionrounds.com/fund/clean-energy-venture-group) Angel network Per its own site

## Quick answers about Cala Systems

### Who invested in Cala Systems?

Cala Systems's investors include Collaborative Fund, MassVentures, Climate Capital and Massachusetts Clean Energy Center.

### How much has Cala Systems raised?

Cala Systems has raised $13M across 2 rounds since 2025.

### When did Cala Systems last raise?

Cala Systems's most recent round was a Venture of $8.1M in Jun 2025.

### What was Cala Systems's biggest round?

Its most recent round, $8.1M in Jun 2025, is also its largest on record.

### Who backed Cala Systems first?

Cala Systems's first round on record, in Jun 2025, was backed by Collaborative Fund, MassVentures and Massachusetts Clean Energy Center.

### What stage is Cala Systems at?

Cala Systems's latest named round is a Venture, in Jun 2025.

### Where is Cala Systems based?

Cala Systems is based in the United States.

## Companies like Cala Systems

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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