United States · Funded startup

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 summaryUpdated 26 Oct 2026

$678Mraised across 2 rounds since 2024, from 2 sources

$1.9MSeed$676MDebt
Latest round
Debt, $676MSept 2025
Step-upi
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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.

20242025
$1.9MSeed$676MDebt
First round
Seed, $1.9M
Jan 2024
Biggest round
$676M
Debt · Sept 2025
Between rounds
20 months
from the last two

The rounds

  1. Sept 2025
    Debt$676M1 new

    Source recorded

  2. Jan 2024
    Seed$1.9M2 new

    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.

Everyone who backed them

Caffeinated CapitalVC firm1round
Guillermo RauchVC firm1round
Alaya CapitalVC firm1round

Missing a round, or an investor who was in one? Tell us.

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.

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