# Swiftline funding: rounds and investors

> Swiftline has raised $12M across 1 round since 2021. Investors include Y Combinator, Gaingels and Greycroft. Every round with its source.

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

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

# Who invested in *Swiftline*

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.

E-commerce

Funding summary Updated 26 Oct 2026

**$12M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series A, $12M Dec 2021
- **Investors:** 5

See who backed them

## The rounds

- **Dec 2021** Series A **$12M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Gaingels](https://millionrounds.com/fund/gaingels) [Greycroft](https://millionrounds.com/fund/greycroft) [Alaya Capital](https://millionrounds.com/fund/alaya-capital) [Raptor Group](https://millionrounds.com/fund/raptor-group) Source recorded

## Everyone who backed them

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

[Gaingels](https://millionrounds.com/fund/gaingels) Private equity **1** round

[Greycroft](https://millionrounds.com/fund/greycroft) VC firm **1** round

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

[Raptor Group](https://millionrounds.com/fund/raptor-group) Private equity **1** round

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

## Quick answers about Swiftline

### Who invested in Swiftline?

Swiftline's investors include Y Combinator, Gaingels, Greycroft, Alaya Capital and Raptor Group.

### How much has Swiftline raised?

Swiftline has raised $12M across 1 round since 2021.

### When did Swiftline last raise?

Swiftline's most recent round was a Series A of $12M in Dec 2021.

### What was Swiftline's biggest round?

Its most recent round, $12M in Dec 2021, is also its largest on record.

### Who backed Swiftline first?

Swiftline's first round on record, in Dec 2021, was backed by Y Combinator, Gaingels and Greycroft and 2 others.

### What stage is Swiftline at?

Swiftline's latest named round is a Series A, in Dec 2021.

### Where is Swiftline based?

Swiftline is based in the United States.

## Companies like Swiftline

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

[**Whop** $400M · Oct 2026](https://millionrounds.com/company/whop)[**Rosie** $7.0M · Oct 2026](https://millionrounds.com/company/rosie)[**Stord** $782M · Oct 2026](https://millionrounds.com/company/stord)[**Santé** $23M · Oct 2026](https://millionrounds.com/company/sante)[**Siena AI** $23M · Oct 2026](https://millionrounds.com/company/siena-ai)[**Relay** $207M · Oct 2026](https://millionrounds.com/company/relay)

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