# Altro funding: rounds and investors

> Altro has raised $4.0M across 1 round since 2024. Investors include Y Combinator, Alumni Ventures and Lightspeed Venture Partners. Every round with its source.

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

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

# Who invested in *Altro*

One round we have observed, with the 5 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.

Consumer Apps

Y Combinator: S20

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 1 round since 2024, from 1 source

- **Latest round:** Venture, $4.0M Mar 2024
- **Investors:** 5

See who backed them

## The rounds

- **Mar 2024** Venture **$4.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) [Wonder Ventures](https://millionrounds.com/fund/wonder-ventures) Source recorded

## Everyone who backed them

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

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

[Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **1** round

[Kleiner Perkins](https://millionrounds.com/fund/kleiner-perkins) VC firm **1** round

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

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

## Also claim to have backed them

These 3 firms list Altro 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.

[VentureSouq](https://millionrounds.com/fund/venturesouq) VC firm Seed, per its site

[Wonder Ventures](https://millionrounds.com/fund/wonder-ventures-2) VC firm Per its own site

[Walker Street Capital](https://millionrounds.com/fund/walker-street-capital) VC firm Per its own site

## Quick answers about Altro

### Who invested in Altro?

Altro's investors include Y Combinator, Alumni Ventures, Lightspeed Venture Partners, Kleiner Perkins and Wonder Ventures.

### How much has Altro raised?

Altro has raised $4.0M across 1 round since 2024.

### When did Altro last raise?

Altro's most recent round was a Venture of $4.0M in Mar 2024.

### What was Altro's biggest round?

Its most recent round, $4.0M in Mar 2024, is also its largest on record.

### Who backed Altro first?

Altro's first round on record, in Mar 2024, was backed by Y Combinator, Alumni Ventures and Lightspeed Venture Partners and 2 others.

### What stage is Altro at?

Altro's latest named round is a Venture, in Mar 2024.

### Where is Altro based?

Altro is based in the United States.

## Companies like Altro

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

[**Punch** $11M · Oct 2026](https://millionrounds.com/company/punch)[**Albert** $57M · Oct 2026](https://millionrounds.com/company/albert)[**Welltory** $4.0M · Oct 2026](https://millionrounds.com/company/welltory)[**Arena** $401M · Oct 2026](https://millionrounds.com/company/arena)[**Bloom** $418M · Oct 2026](https://millionrounds.com/company/bloom)[**Clockout** $5.5M · Oct 2026](https://millionrounds.com/company/clockout)

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