Seed startup

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 summaryUpdated 26 Oct 2026

$20Mraised across 1 round since 2025, from 1 source

Latest round
Seed, $20MMay 2025
Investors
1
See who backed them

The rounds

  1. May 2025
    Seed$20M

    Source recorded

Everyone who backed them

NFXVC firm1round

Missing a round, or an investor who was in one? Tell us.

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.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.