# SE3 Labs funding: rounds and investors

> SE3 Labs has raised $6.4M across 2 rounds since 2025. Investors include Seedcamp, Plug and Play and Lakestar. Every round with its source.

Source: https://millionrounds.com/company/se3-labs (Millionrounds; every figure on the page links to its filing or article)

Germany · [Seed startup](https://millionrounds.com/companies)

# Who invested in *SE3 Labs*

2 rounds we have observed, with the 3 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.

AI

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$6.4M** raised across 2 rounds since 2025, from 2 sources

**$73K** Grant **$6.3M** Seed

- **Latest round:** Seed, $6.3M Jun 2026
- **Step-up i:** 86.3×
- **Investors:** 3

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

**$73K** Grant

**$6.3M** Seed

- **First round:** Grant, $73K
- **Biggest round:** $6.3M
- **Between rounds:** 13 months

## The rounds

- **Jun 2026** Seed **$6.3M** *2 new* *1 returning* [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Seedcamp](https://millionrounds.com/fund/seedcamp) [Lakestar](https://millionrounds.com/fund/lakestar) Source recorded
- **May 2025** Grant **$73K** *1 new* [Seedcamp](https://millionrounds.com/fund/seedcamp) Source recorded

## Founders and team

From SE3 Labs's own website: 3 on the team.

- **Lukas Köstler** CEO
- **Prof. Dr. Daniel Cremers** CTO
- **Simon Klenk** CTO

## 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.

**Grant** 2025 **Seed** 2026 [Seedcamp](https://millionrounds.com/fund/seedcamp) [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Lakestar](https://millionrounds.com/fund/lakestar)

## Everyone who backed them

[Seedcamp](https://millionrounds.com/fund/seedcamp) VC firm **2** rounds

[Plug and Play](https://millionrounds.com/fund/plug-and-play) Accelerator **1** round

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

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=se3-labs).

## Quick answers about SE3 Labs

### Who invested in SE3 Labs?

SE3 Labs's investors include Seedcamp, Plug and Play and Lakestar.

### How much has SE3 Labs raised?

SE3 Labs has raised $6.4M across 2 rounds since 2025.

### When did SE3 Labs last raise?

SE3 Labs's most recent round was a Seed of $6.3M in Jun 2026.

### What was SE3 Labs's biggest round?

Its most recent round, $6.3M in Jun 2026, is also its largest on record.

### Who backed SE3 Labs first?

SE3 Labs's first round on record, in May 2025, was backed by Seedcamp.

### What stage is SE3 Labs at?

SE3 Labs's latest named round is a Seed, in Jun 2026.

### Where is SE3 Labs based?

SE3 Labs is based in Germany.

## Companies like SE3 Labs

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

[**YGO** $9.0M · Oct 2026](https://millionrounds.com/company/ygo)[**Causa Prima** $30M · Oct 2026](https://millionrounds.com/company/causa-prima)[**Stenon** $41M · Oct 2026](https://millionrounds.com/company/stenon)[**OllyGarden** $5.6M · Oct 2026](https://millionrounds.com/company/ollygarden)[**hexafarms** $9.5M · Oct 2026](https://millionrounds.com/company/hexafarms)[**METYCLE** $165M · Sept 2026](https://millionrounds.com/company/metycle)

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