# Tinfoil funding: rounds and investors

> Tinfoil has raised $7.1M across 1 round since 2025. Investors include Y Combinator and Pioneer Fund. Every round with its source.

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

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

# Who invested in *Tinfoil*

One round we have observed, with the 2 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

**$7.1M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $7.1M Jul 2025
- **Investors:** 2

See who backed them

## The rounds

- **Jul 2025** Seed **$7.1M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Source recorded

## Founders and team

From Tinfoil's own website: 3 founders, 3 on the team.

**Jules Drean** Co-founder

**Sacha Servan-Schreiber** Co-founder

**Tanya Verma** Co-founder

- **Danielle Chun** Head of Operations
- **Joe Lothan** Research Engineer
- **Mia Korennykh** Research Engineer

## Everyone who backed them

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

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

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

## Also claim to have backed them

These 2 firms list Tinfoil as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Rain Capital](https://millionrounds.com/fund/rain-capital) VC firm Per its own site

[Ritual Capital Management Company, LLC](https://millionrounds.com/fund/ritual-capital-management-company-llc) Investor Per its own site

## Quick answers about Tinfoil

### Who invested in Tinfoil?

Tinfoil's investors include Y Combinator and Pioneer Fund.

### How much has Tinfoil raised?

Tinfoil has raised $7.1M across 1 round since 2025.

### When did Tinfoil last raise?

Tinfoil's most recent round was a Seed of $7.1M in Jul 2025.

### What was Tinfoil's biggest round?

Its most recent round, $7.1M in Jul 2025, is also its largest on record.

### Who backed Tinfoil first?

Tinfoil's first round on record, in Jul 2025, was backed by Y Combinator and Pioneer Fund.

### What stage is Tinfoil at?

Tinfoil's latest named round is a Seed, in Jul 2025.

### Where is Tinfoil based?

Tinfoil is based in the United States.

## Companies like Tinfoil

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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