# Fortress funding: rounds and investors

> Fortress has raised $500K across 2 rounds since 2023. Investors include Y Combinator, Reach and Second Century Ventures. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Fortress*

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.

Big Data & Analytics

Funding summary Updated 26 Oct 2026

**$500K** raised across 2 rounds since 2023, from 2 sources

- **Latest round:** Pre-seed, $500K Jun 2024
- **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.

2024

**?** Venture

**$500K** Pre-seed

- **First round:** Venture
- **Biggest round:** $500K
- **Between rounds:** 14 months

## The rounds

- **Jun 2024** Pre-seed **$500K** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded
- **Apr 2023** Venture **Amount undisclosed** *2 new* [Reach](https://millionrounds.com/fund/reach) [Second Century Ventures](https://millionrounds.com/fund/second-century-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.

**Venture** 2023 **Pre-seed** 2024 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Reach](https://millionrounds.com/fund/reach) [Second Century Ventures](https://millionrounds.com/fund/second-century-ventures)

## Everyone who backed them

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

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

[Second Century Ventures](https://millionrounds.com/fund/second-century-ventures) Corporate VC **1** round

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

## Quick answers about Fortress

### Who invested in Fortress?

Fortress's investors include Y Combinator, Reach and Second Century Ventures.

### How much has Fortress raised?

Fortress has raised $500K across 2 rounds since 2023. One round did not disclose an amount, so the total is a floor.

### When did Fortress last raise?

Fortress's most recent round was a Pre-seed of $500K in Jun 2024.

### What was Fortress's biggest round?

Its most recent round, $500K in Jun 2024, is also its largest on record.

### Who backed Fortress first?

Fortress's first round on record, in Apr 2023, was backed by Reach and Second Century Ventures.

### What stage is Fortress at?

Fortress's latest named round is a Pre-seed, in Jun 2024.

### Where is Fortress based?

Fortress is based in the United States.

## Companies like Fortress

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)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app