# Onlook funding: rounds and investors

> Onlook has raised $500K across 2 rounds since 2025. Investors include Pioneer Fund and Y Combinator. Every round with its source.

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

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

# Who invested in *Onlook*

2 rounds we have observed, with the 2 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.

IT Services

Funding summary Updated 26 Oct 2026

**$500K** raised across 2 rounds since 2025, from 2 sources

- **Latest round:** Venture Jul 2025
- **Biggest round:** $500K Pre-seed · Mar 2025
- **Investors:** 2

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

**$500K** Pre-seed

**?** Venture

- **First round:** Pre-seed, $500K
- **Biggest round:** $500K
- **Between rounds:** 4 months

## The rounds

- **Jul 2025** Venture **Amount undisclosed** *1 new* *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Source recorded
- **Mar 2025** Pre-seed **$500K** *1 new* [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Source recorded

## 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.

**Pre-seed** 2025 **Venture** 2025 [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Y Combinator](https://millionrounds.com/fund/y-combinator)

## Everyone who backed them

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

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

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

## Also claim to have backed them

These 2 firms list Onlook as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Leonis Capital](https://millionrounds.com/fund/leonis-capital) VC firm Per its own site

[Lobster Capital](https://millionrounds.com/fund/lobster-capital) VC firm Per its own site

## Quick answers about Onlook

### Who invested in Onlook?

Onlook's investors include Pioneer Fund and Y Combinator.

### How much has Onlook raised?

Onlook has raised $500K across 2 rounds since 2025. One round did not disclose an amount, so the total is a floor.

### When did Onlook last raise?

Onlook's most recent round was a Venture in Jul 2025.

### What was Onlook's biggest round?

Onlook's largest round on record is $500K (Pre-seed), in Mar 2025.

### Who backed Onlook first?

Onlook's first round on record, in Mar 2025, was backed by Pioneer Fund.

### What stage is Onlook at?

Onlook's latest named round is a Venture, in Jul 2025.

### Where is Onlook based?

Onlook is based in the United States.

## Companies like Onlook

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

[**Chariot Claims** $23M · Oct 2026](https://millionrounds.com/company/chariot-claims)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**FlexCompute** $53M · Oct 2026](https://millionrounds.com/company/flexcompute)[**Negosh** $3.1M · Oct 2026](https://millionrounds.com/company/negosh)[**StarLifter** $4.0M · Oct 2026](https://millionrounds.com/company/starlifter)[**Litewave.AI** $1.7M · Oct 2026](https://millionrounds.com/company/litewave-ai)

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