Seed startup

Who invested in Holy Grail

One round we have observed, with the 3 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.

Energy

Y Combinator: S19

Funding summaryUpdated 26 Oct 2026

$2.7Mraised across 1 round since 2021, from 1 source

Latest round
Seed, $2.7MJun 2021
Investors
3
See who backed them

The rounds

  1. Jun 2021

Everyone who backed them

Y CombinatorAccelerator1round
Charlie SonghurstVC firm1round
Lowercarbon CapitalVC firm1round

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

Also claim to have backed them

This firm lists Holy Grail as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

U.S. Bank ArenaVC firmPer its own site

Quick answers about Holy Grail

Who invested in Holy Grail?

Holy Grail's investors include Y Combinator, Charlie Songhurst and Lowercarbon Capital.

How much has Holy Grail raised?

Holy Grail has raised $2.7M across 1 round since 2021.

When did Holy Grail last raise?

Holy Grail's most recent round was a Seed of $2.7M in Jun 2021.

What was Holy Grail's biggest round?

Its most recent round, $2.7M in Jun 2021, is also its largest on record.

Who backed Holy Grail first?

Holy Grail's first round on record, in Jun 2021, was backed by Y Combinator, Charlie Songhurst and Lowercarbon Capital.

What stage is Holy Grail at?

Holy Grail's latest named round is a Seed, in Jun 2021.

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

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