# Prorata.AI funding: rounds and investors

> Prorata.AI has raised $65M across 2 rounds since 2024. Investors include Mayfield Fund, Alumni Ventures and SBI Investment. Every round with its source.

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

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

# Who invested in *Prorata.AI*

2 rounds we have observed, with the 5 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

Funding summary Updated 26 Oct 2026

**$65M** raised across 2 rounds since 2024, from 2 sources

**$25M** Series A **$40M** Series B

- **Latest round:** Series B, $40M Sept 2025
- **Step-up i:** 1.6×
- **Investors:** 5

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.

2025

**$25M** Series A

**$40M** Series B

- **First round:** Series A, $25M
- **Biggest round:** $40M
- **Between rounds:** 13 months

## The rounds

- **Sept 2025** Series B **$40M** *3 new* *1 returning* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Mayfield Fund](https://millionrounds.com/fund/mayfield) [SBI Investment](https://millionrounds.com/fund/sbi-investment) [Ring Capital](https://millionrounds.com/fund/ring) Source recorded
- **Aug 2024** Series A **$25M** *2 new* [Mayfield Fund](https://millionrounds.com/fund/mayfield) [Revolution](https://millionrounds.com/fund/revolution) Source recorded

## Founders and team

From Prorata.AI's own website: 4 on the team.

- **Anastasia Nyrkovskaya** CEO
- **Jan Bayer** President News Media USA & Deputy CEO
- **Nicholas Thompson** CEO
- **Sir Lucian Grainge** Chairman and CEO

## 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.

**Series A** 2024 **Series B** 2025 [Mayfield Fund](https://millionrounds.com/fund/mayfield) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [SBI Investment](https://millionrounds.com/fund/sbi-investment) [Revolution](https://millionrounds.com/fund/revolution) [Ring Capital](https://millionrounds.com/fund/ring)

## Everyone who backed them

[Mayfield Fund](https://millionrounds.com/fund/mayfield) VC firm **2** rounds

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[SBI Investment](https://millionrounds.com/fund/sbi-investment) VC firm **1** round

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

[Ring Capital](https://millionrounds.com/fund/ring) VC firm **1** round

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

## Also claim to have backed them

This firm lists Prorata.AI as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Calibrate Ventures](https://millionrounds.com/fund/calibrate-ventures) VC firm Per its own site

## Quick answers about Prorata.AI

### Who invested in Prorata.AI?

Prorata.AI's investors include Mayfield Fund, Alumni Ventures, SBI Investment, Revolution and Ring Capital.

### How much has Prorata.AI raised?

Prorata.AI has raised $65M across 2 rounds since 2024.

### When did Prorata.AI last raise?

Prorata.AI's most recent round was a Series B of $40M in Sept 2025.

### What was Prorata.AI's biggest round?

Its most recent round, $40M in Sept 2025, is also its largest on record.

### Who backed Prorata.AI first?

Prorata.AI's first round on record, in Aug 2024, was backed by Mayfield Fund and Revolution.

### What stage is Prorata.AI at?

Prorata.AI's latest named round is a Series B, in Sept 2025.

### Where is Prorata.AI based?

Prorata.AI is based in the United States.

## Companies like Prorata.AI

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)

## Find investors like these

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