# SynthioLabs funding: rounds and investors

> SynthioLabs has raised $5.0M across 1 round since 2025. Investors include Y Combinator, Pioneer Fund and Peak XV. Every round with its source.

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

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

# Who invested in *SynthioLabs*

One round we have observed, with the 5 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 12 months ago

Funding summary Updated 26 Oct 2026

**$5.0M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $5.0M Nov 2025
- **Investors:** 5

See who backed them

## The rounds

- **Nov 2025** Seed **$5.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Peak XV](https://millionrounds.com/fund/peak-xv) [Elevation Capital](https://millionrounds.com/fund/elevation-capital-2) [1984 Ventures](https://millionrounds.com/fund/1984-ventures) Source recorded

## Everyone who backed them

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

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

[Peak XV](https://millionrounds.com/fund/peak-xv) VC firm **1** round

[Elevation Capital](https://millionrounds.com/fund/elevation-capital-2) VC firm **1** round

[1984 Ventures](https://millionrounds.com/fund/1984-ventures) VC firm **1** round

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

## Quick answers about SynthioLabs

### Who invested in SynthioLabs?

SynthioLabs's investors include Y Combinator, Pioneer Fund, Peak XV, Elevation Capital and 1984 Ventures.

### How much has SynthioLabs raised?

SynthioLabs has raised $5.0M across 1 round since 2025.

### When did SynthioLabs last raise?

SynthioLabs's most recent round was a Seed of $5.0M in Nov 2025.

### What was SynthioLabs's biggest round?

Its most recent round, $5.0M in Nov 2025, is also its largest on record.

### Who backed SynthioLabs first?

SynthioLabs's first round on record, in Nov 2025, was backed by Y Combinator, Pioneer Fund and Peak XV and 2 others.

### What stage is SynthioLabs at?

SynthioLabs's latest named round is a Seed, in Nov 2025.

### Where is SynthioLabs based?

SynthioLabs is based in the United States.

## Companies like SynthioLabs

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

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