# Line 5 funding: rounds and investors

> Line 5 has raised $20M across 1 round since 2025. Investors include NFX. Every round with its source.

Source: https://millionrounds.com/company/line-5 (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *Line 5*

One round we have observed, with the one investor 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.

Biotech

Funding summary Updated 26 Oct 2026

**$20M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $20M May 2025
- **Investors:** 1

See who backed them

## The rounds

- **May 2025** Seed **$20M** [NFX](https://millionrounds.com/fund/nfx) Source recorded

## Everyone who backed them

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

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=line-5).

## Quick answers about Line 5

### Who invested in Line 5?

Line 5's investors include NFX.

### How much has Line 5 raised?

Line 5 has raised $20M across 1 round since 2025.

### When did Line 5 last raise?

Line 5's most recent round was a Seed of $20M in May 2025.

### What was Line 5's biggest round?

Its most recent round, $20M in May 2025, is also its largest on record.

### Who backed Line 5 first?

Line 5's first round on record, in May 2025, was backed by NFX.

### What stage is Line 5 at?

Line 5's latest named round is a Seed, in May 2025.

## Companies like Line 5

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

[**Cloverleaf Bio** $33M · Sept 2026](https://millionrounds.com/company/cloverleaf-bio)[**Cheiron** $8.0M · Jul 2026](https://millionrounds.com/company/cheiron)[**Tavo Biotherapeutics** $17M · Jun 2026](https://millionrounds.com/company/tavo-biotherapeutics)[**Countable Labs** $26M · May 2026](https://millionrounds.com/company/countable-labs)[**Oricell Therapeutics** $180M · Apr 2026](https://millionrounds.com/company/oricell-therapeutics)[**Immunofoco** $29M · Mar 2026](https://millionrounds.com/company/immunofoco)

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