# Tab funding: rounds and investors

> Tab has raised $678M across 2 rounds since 2024. Investors include Caffeinated Capital, Guillermo Rauch and Alaya Capital. Every round with its source.

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

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

# Who invested in *Tab*

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.

AI

Y Combinator: W15

Funding summary Updated 26 Oct 2026

**$678M** raised across 2 rounds since 2024, from 2 sources

**$1.9M** Seed **$676M** Debt

- **Latest round:** Debt, $676M Sept 2025
- **Step-up i:** 355.8×
- **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 2025

**$1.9M** Seed

**$676M** Debt

- **First round:** Seed, $1.9M
- **Biggest round:** $676M
- **Between rounds:** 20 months

## The rounds

- **Sept 2025** Debt **$676M** *1 new* [Alaya Capital](https://millionrounds.com/fund/alaya-capital) Source recorded
- **Jan 2024** Seed **$1.9M** *2 new* [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) [Guillermo Rauch](https://millionrounds.com/fund/guillermo-rauch) 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.

**Seed** 2024 **Debt** 2025 [Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) [Guillermo Rauch](https://millionrounds.com/fund/guillermo-rauch) [Alaya Capital](https://millionrounds.com/fund/alaya-capital)

## Everyone who backed them

[Caffeinated Capital](https://millionrounds.com/fund/caffeinated-capital) VC firm **1** round

[Guillermo Rauch](https://millionrounds.com/fund/guillermo-rauch) VC firm **1** round

[Alaya Capital](https://millionrounds.com/fund/alaya-capital) VC firm **1** round

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

## Quick answers about Tab

### Who invested in Tab?

Tab's investors include Caffeinated Capital, Guillermo Rauch and Alaya Capital.

### How much has Tab raised?

Tab has raised $678M across 2 rounds since 2024.

### When did Tab last raise?

Tab's most recent round was a Debt of $676M in Sept 2025.

### What was Tab's biggest round?

Its most recent round, $676M in Sept 2025, is also its largest on record.

### Who backed Tab first?

Tab's first round on record, in Jan 2024, was backed by Caffeinated Capital and Guillermo Rauch.

### What stage is Tab at?

Tab's latest named round is a Debt, in Sept 2025.

### Where is Tab based?

Tab is based in the United States.

## Companies like Tab

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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