# Backstory funding: rounds and investors

> Backstory has raised $100M across 1 round since 2021. Investors include Y Combinator, Andreessen Horowitz and SV Angel. Every round with its source.

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

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

# Who invested in *Backstory*

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.

AI

Funding summary Updated 26 Oct 2026

**$100M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series D, $100M Aug 2021
- **Investors:** 5

See who backed them

## The rounds

- **Aug 2021** Series D **$100M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [SV Angel](https://millionrounds.com/fund/sv-angel) [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Index Ventures](https://millionrounds.com/fund/index-ventures) Source recorded

## Everyone who backed them

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

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round

[SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round

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

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

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

## Also claim to have backed them

These 3 firms list Backstory 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.

[Iconiq Capital](https://millionrounds.com/fund/iconiq-capital-3) Growth equity Per its own site

[ICONIQ Capital](https://millionrounds.com/fund/iconiq-capital) Family office Per its own site

[Hickory Falls Ventures](https://millionrounds.com/fund/hickory-falls-ventures) Family office Per its own site

## Quick answers about Backstory

### Who invested in Backstory?

Backstory's investors include Y Combinator, Andreessen Horowitz, SV Angel, Lightspeed Venture Partners and Index Ventures.

### How much has Backstory raised?

Backstory has raised $100M across 1 round since 2021.

### When did Backstory last raise?

Backstory's most recent round was a Series D of $100M in Aug 2021.

### What was Backstory's biggest round?

Its most recent round, $100M in Aug 2021, is also its largest on record.

### Who backed Backstory first?

Backstory's first round on record, in Aug 2021, was backed by Y Combinator, Andreessen Horowitz and SV Angel and 2 others.

### What stage is Backstory at?

Backstory's latest named round is a Series D, in Aug 2021.

### Where is Backstory based?

Backstory is based in the United States.

## Companies like Backstory

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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