# Integrated Reasoning funding: rounds and investors

> Integrated Reasoning has raised $1.9M across 1 round since 2025. Investors include Y Combinator, Liquid 2 Ventures and Citibank. Every round with its source.

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

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

# Who invested in *Integrated Reasoning*

One round we have observed, with the 6 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.

Cloud

Y Combinator: S22

Funding summary Updated 26 Oct 2026

**$1.9M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $1.9M Jun 2025
- **Investors:** 6

See who backed them

## The rounds

- **Jun 2025** Seed **$1.9M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) [Citibank](https://millionrounds.com/fund/citi) [Pegasus Tech Ventures](https://millionrounds.com/fund/pegasus-tech-ventures) [1984 Ventures](https://millionrounds.com/fund/1984-ventures) [Four Cities Capital](https://millionrounds.com/fund/four-cities-capital) Source recorded

## Everyone who backed them

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

[Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) VC firm **1** round

[Citibank](https://millionrounds.com/fund/citi) Growth equity **1** round

[Pegasus Tech Ventures](https://millionrounds.com/fund/pegasus-tech-ventures) VC firm **1** round

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

[Four Cities Capital](https://millionrounds.com/fund/four-cities-capital) VC firm **1** round

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

## Quick answers about Integrated Reasoning

### Who invested in Integrated Reasoning?

Integrated Reasoning's investors include Y Combinator, Liquid 2 Ventures, Citibank, Pegasus Tech Ventures and 1984 Ventures, and 1 more on record.

### How much has Integrated Reasoning raised?

Integrated Reasoning has raised $1.9M across 1 round since 2025.

### When did Integrated Reasoning last raise?

Integrated Reasoning's most recent round was a Seed of $1.9M in Jun 2025.

### What was Integrated Reasoning's biggest round?

Its most recent round, $1.9M in Jun 2025, is also its largest on record.

### Who backed Integrated Reasoning first?

Integrated Reasoning's first round on record, in Jun 2025, was backed by Y Combinator, Liquid 2 Ventures and Citibank and 3 others.

### What stage is Integrated Reasoning at?

Integrated Reasoning's latest named round is a Seed, in Jun 2025.

### Where is Integrated Reasoning based?

Integrated Reasoning is based in the United States.

## Companies like Integrated Reasoning

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Blacksmith** $131M · Oct 2026](https://millionrounds.com/company/blacksmith)[**Tasklet** $13M · Oct 2026](https://millionrounds.com/company/tasklet)[**VEIR** $185M · Oct 2026](https://millionrounds.com/company/veir)[**Namespace** $42M · Oct 2026](https://millionrounds.com/company/namespace)[**Lambda** $6.8B · Oct 2026](https://millionrounds.com/company/lambda)

## 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