# Cubic Sum: portfolio, investments and team

> Cubic Sum is a vc firm based in United States. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/cubic-sum (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# Cubic Sum

No observed cheques in the sources we track. That is a limit of our coverage, not a finding about this organisation.

Unknown VC firm

Growth AI Energy Climate

Cheques on record

**No rounds observed yet** A limit of the sources we read, not a finding about the firm.

Pitch Cubic Sum

## What they do

> We are a growth-stage venture firm dedicated to scaling category-defining companies at the intersection of digital energy infrastructure, AI, and climate technology. From their own website

- **Type:** VC firm
- **Cheque size:** Not stated
- **Stages:** Growth
- **Sectors:** AI Energy Climate
- **Based in:** Palo Alto, United States
- **Cold pitches:** Not accepted

## The record

No rounds observed yet. That is a limit of the sources we read, not a finding about the firm. If it has invested, a round will put it here. [Know a round it was in? Tell us](https://millionrounds.com/corrections?slug=cubic-sum).

## The team

We hold **2** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What they claim to have backed

From their own portfolio page (on their website)

**3** of 9 we have independently watched raise

[Mangomaterials](https://millionrounds.com/company/mango-materials)[Recent News](https://millionrounds.com/company/antora-energy)[Splight](https://millionrounds.com/company/splight) Cubic Sum - GALY Cubic Sum - Nitricity Futureprooftech Recent News Recent News Revolvelabs

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

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## Quick answers about Cubic Sum

### What does Cubic Sum invest in?

Cubic Sum says it invests in AI, Energy and Climate.

### Is Cubic Sum investing now?

No investments in the last 12 months.

### What kind of investor is Cubic Sum?

Cubic Sum is a VC firm based in Palo Alto, United States.

### Where does this information on Cubic Sum come from?

From public registers and its own website, checked and rebuilt every night.

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Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=cubic-sum) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=cubic-sum)