# Roundabout Technologies funding: rounds and investors

> Roundabout Technologies has raised $500K across 2 rounds since 2024. Investors include Y Combinator and Unpopular Ventures. Every round with its source.

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

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

# Who invested in *Roundabout Technologies*

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.

AI

Funding summary Updated 26 Oct 2026

**$500K** raised across 2 rounds since 2024, from 2 sources

- **Latest round:** Venture Mar 2025
- **Biggest round:** $500K Pre-seed · Dec 2024
- **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.

2025

**$500K** Pre-seed

**?** Venture

- **First round:** Pre-seed, $500K
- **Biggest round:** $500K
- **Between rounds:** 3 months

## The rounds

- **Mar 2025** Venture **Amount undisclosed** *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) Source recorded
- **Dec 2024** Pre-seed **$500K** *2 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) 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** 2024 **Venture** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures)

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

[Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) VC firm **2** rounds

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

## Quick answers about Roundabout Technologies

### Who invested in Roundabout Technologies?

Roundabout Technologies's investors include Y Combinator and Unpopular Ventures.

### How much has Roundabout Technologies raised?

Roundabout Technologies has raised $500K across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

### When did Roundabout Technologies last raise?

Roundabout Technologies's most recent round was a Venture in Mar 2025.

### What was Roundabout Technologies's biggest round?

Roundabout Technologies's largest round on record is $500K (Pre-seed), in Dec 2024.

### Who backed Roundabout Technologies first?

Roundabout Technologies's first round on record, in Dec 2024, was backed by Y Combinator and Unpopular Ventures.

### What stage is Roundabout Technologies at?

Roundabout Technologies's latest named round is a Venture, in Mar 2025.

### Where is Roundabout Technologies based?

Roundabout Technologies is based in the United States.

## Companies like Roundabout Technologies

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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