# Proton.ai funding: rounds and investors

> Proton.ai has raised $20M across 1 round since 2022. Investors include Bossa Invest, Battery Ventures and Felicis. Every round with its source.

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

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

# Who invested in *Proton.ai*

One round we have observed, with the 4 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.

AI

Funding summary Updated 26 Oct 2026

**$20M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series A, $20M Jan 2022
- **Investors:** 4

See who backed them

## The rounds

- **Jan 2022** Series A **$20M** [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Battery Ventures](https://millionrounds.com/fund/battery-ventures) [Felicis](https://millionrounds.com/fund/felicis-ventures) [Abstract Ventures](https://millionrounds.com/fund/abstract) Source recorded

## Founders and team

From Proton.ai's own website: 1 founder, 4 on the team.

**Benj Cohen** Founder & CEO

- **Dasha Shakov** Head of Marketing
- **Jesse Filipi** Head of Product
- **Rachel Warren** Head of Customer Experience
- **Vlad Dobrovolskiy** Director of Engineering

## Everyone who backed them

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

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

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

[Abstract Ventures](https://millionrounds.com/fund/abstract) VC firm **1** round

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

## Quick answers about Proton.ai

### Who invested in Proton.ai?

Proton.ai's investors include Bossa Invest, Battery Ventures, Felicis and Abstract Ventures.

### How much has Proton.ai raised?

Proton.ai has raised $20M across 1 round since 2022.

### When did Proton.ai last raise?

Proton.ai's most recent round was a Series A of $20M in Jan 2022.

### What was Proton.ai's biggest round?

Its most recent round, $20M in Jan 2022, is also its largest on record.

### Who backed Proton.ai first?

Proton.ai's first round on record, in Jan 2022, was backed by Bossa Invest, Battery Ventures and Felicis and 1 others.

### What stage is Proton.ai at?

Proton.ai's latest named round is a Series A, in Jan 2022.

### Where is Proton.ai based?

Proton.ai is based in the United States.

## Companies like Proton.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

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