# Mentra funding: rounds and investors

> Mentra has raised $12M across 3 rounds since 2023. Investors include Y Combinator, Pioneer Fund and Alumni Ventures. Every round with its source.

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

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

# Who invested in *Mentra*

3 rounds we have observed, with the 8 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.

Internet

Funding summary Updated 26 Oct 2026

**$12M** raised across 3 rounds since 2023, from 3 sources

**$3.5M** Seed **$500K** Pre-seed **$8.0M** Seed

- **Latest round:** Pre-seed, $500K Mar 2025
- **Biggest round:** $8.0M Seed · Mar 2025
- **Investors:** 8

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

**$3.5M** Seed

**$500K** Pre-seed

**$8.0M** Seed

- **First round:** Seed, $3.5M
- **Biggest round:** $8.0M
- **Between rounds:** 18 months

## The rounds

- **Mar 2025** Pre-seed **$500K** *2 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Source recorded
- **Mar 2025** Seed **$8.0M** *3 new* *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [468 Capital](https://millionrounds.com/fund/468-capital) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) Source recorded
- **Sept 2023** Seed **$3.5M** *3 new* [Sam Altman](https://millionrounds.com/fund/sam-altman) [Shine Capital](https://millionrounds.com/fund/shine-capital) [Scott Belsky](https://millionrounds.com/fund/scott-belsky) 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** 2023 **Pre-seed** 2025 **Seed** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [468 Capital](https://millionrounds.com/fund/468-capital) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) [Sam Altman](https://millionrounds.com/fund/sam-altman) [Shine Capital](https://millionrounds.com/fund/shine-capital) [Scott Belsky](https://millionrounds.com/fund/scott-belsky)

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

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

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

[468 Capital](https://millionrounds.com/fund/468-capital) VC firm **1** round

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

[Sam Altman](https://millionrounds.com/fund/sam-altman) Angel **1** round

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

[Scott Belsky](https://millionrounds.com/fund/scott-belsky) Angel **1** round

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

## Quick answers about Mentra

### Who invested in Mentra?

Mentra's investors include Y Combinator, Pioneer Fund, Alumni Ventures, 468 Capital and Toyota Ventures, and 3 more on record.

### How much has Mentra raised?

Mentra has raised $12M across 3 rounds since 2023.

### When did Mentra last raise?

Mentra's most recent round was a Seed of $8.0M in Mar 2025.

### What was Mentra's biggest round?

Its most recent round, $8.0M in Mar 2025, is also its largest on record.

### Who backed Mentra first?

Mentra's first round on record, in Sept 2023, was backed by Sam Altman, Shine Capital and Scott Belsky.

### What stage is Mentra at?

Mentra's latest named round is a Seed, in Mar 2025.

### Where is Mentra based?

Mentra is based in the United States.

## Companies like Mentra

In the same sector, and raised in the last eighteen months.

[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**Tolan** $30M · Oct 2026](https://millionrounds.com/company/tolan)[**Welltory** $4.0M · Oct 2026](https://millionrounds.com/company/welltory)[**Overtime** $33M · Oct 2026](https://millionrounds.com/company/overtime)[**1World Online** $25M · Sept 2026](https://millionrounds.com/company/1world-online)[**Luminary** $194M · Sept 2026](https://millionrounds.com/company/luminary)

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