# Kobalt Labs funding: rounds and investors

> Kobalt Labs has raised $11M across 1 round since 2025. Investors include Y Combinator, Andreessen Horowitz and Pioneer Fund. Every round with its source.

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

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

# Who invested in *Kobalt Labs*

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.

AI

Raised 11 months ago Y Combinator: S23

Funding summary Updated 26 Oct 2026

**$11M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $11M Dec 2025
- **Investors:** 4

See who backed them

## The rounds

- **Dec 2025** Series A **$11M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [HATCHER+](https://millionrounds.com/fund/hatcher) Source recorded

## Founders and team

From Kobalt Labs's own website: 2 on the team.

- **Marshall Greenwald** President and CEO at Ionia
- **William Peek** Chief Risk Officer at Lincoln Savings Bank

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[HATCHER+](https://millionrounds.com/fund/hatcher) VC firm **1** round

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

## Also claim to have backed them

This firm lists Kobalt Labs 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.

[Roosh Ventures](https://millionrounds.com/fund/roosh-ventures) VC firm Per its own site

## Quick answers about Kobalt Labs

### Who invested in Kobalt Labs?

Kobalt Labs's investors include Y Combinator, Andreessen Horowitz, Pioneer Fund and HATCHER+.

### How much has Kobalt Labs raised?

Kobalt Labs has raised $11M across 1 round since 2025.

### When did Kobalt Labs last raise?

Kobalt Labs's most recent round was a Series A of $11M in Dec 2025.

### What was Kobalt Labs's biggest round?

Its most recent round, $11M in Dec 2025, is also its largest on record.

### Who backed Kobalt Labs first?

Kobalt Labs's first round on record, in Dec 2025, was backed by Y Combinator, Andreessen Horowitz and Pioneer Fund and 1 others.

### What stage is Kobalt Labs at?

Kobalt Labs's latest named round is a Series A, in Dec 2025.

### Where is Kobalt Labs based?

Kobalt Labs is based in the United States.

## Companies like Kobalt Labs

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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