# Castled.io funding: rounds and investors

> Castled.io has raised $2.1M across 1 round since 2022. Investors include Y Combinator. Every round with its source.

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

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

# Who invested in *Castled.io*

One round we have observed, with the one investor 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.

Big Data & Analytics

Y Combinator: W22

Funding summary Updated 26 Oct 2026

**$2.1M** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $2.1M Mar 2022
- **Investors:** 1

See who backed them

## The rounds

- **Mar 2022** Seed **$2.1M** [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded

## Everyone who backed them

[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=castled-io).

## Quick answers about Castled.io

### Who invested in Castled.io?

Castled.io's investors include Y Combinator.

### How much has Castled.io raised?

Castled.io has raised $2.1M across 1 round since 2022.

### When did Castled.io last raise?

Castled.io's most recent round was a Seed of $2.1M in Mar 2022.

### What was Castled.io's biggest round?

Its most recent round, $2.1M in Mar 2022, is also its largest on record.

### Who backed Castled.io first?

Castled.io's first round on record, in Mar 2022, was backed by Y Combinator.

### What stage is Castled.io at?

Castled.io's latest named round is a Seed, in Mar 2022.

### Where is Castled.io based?

Castled.io is based in the United States.

## Companies like Castled.io

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa)

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