# Sourceress funding: rounds and investors

> Sourceress has raised $3.5M across 1 round since 2017. Investors include Y Combinator, Lightspeed Venture Partners and Arash Ferdowsi.

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

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

# Who invested in *Sourceress*

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.

IT Services

Funding summary Updated 26 Oct 2026

**$3.5M** raised across 1 round since 2017, from 1 source

- **Latest round:** Round, $3.5M Nov 2017
- **Investors:** 5

See who backed them

## The rounds

- **Nov 2017** Round **$3.5M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Arash Ferdowsi](https://millionrounds.com/fund/arash-ferdowsi) [Drew Houston](https://millionrounds.com/fund/drew-houston) researchers at OpenAI Reported by FinSMEs

## Everyone who backed them

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

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

[Arash Ferdowsi](https://millionrounds.com/fund/arash-ferdowsi) VC firm **1** round

[Drew Houston](https://millionrounds.com/fund/drew-houston) VC firm **1** round

researchers at OpenAI no record of our own yet **1** round

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

## Quick answers about Sourceress

### Who invested in Sourceress?

Sourceress's investors include Y Combinator, Lightspeed Venture Partners, Arash Ferdowsi, Drew Houston and researchers at OpenAI.

### How much has Sourceress raised?

Sourceress has raised $3.5M across 1 round since 2017.

### When did Sourceress last raise?

Sourceress's most recent round was an Undisclosed round of $3.5M in Nov 2017.

### What was Sourceress's biggest round?

Its most recent round, $3.5M in Nov 2017, is also its largest on record.

### Who backed Sourceress first?

Sourceress's first round on record, in Nov 2017, was backed by Y Combinator, Lightspeed Venture Partners and Arash Ferdowsi and 2 others.

### What stage is Sourceress at?

Sourceress's latest named round is an Undisclosed round, in Nov 2017.

### Where is Sourceress based?

Sourceress is based in the United States.

## Companies like Sourceress

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

[**Chariot Claims** $23M · Oct 2026](https://millionrounds.com/company/chariot-claims)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**FlexCompute** $53M · Oct 2026](https://millionrounds.com/company/flexcompute)[**Negosh** $3.1M · Oct 2026](https://millionrounds.com/company/negosh)[**StarLifter** $4.0M · Oct 2026](https://millionrounds.com/company/starlifter)[**Litewave.AI** $1.7M · Oct 2026](https://millionrounds.com/company/litewave-ai)

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