# LunaBill funding: rounds and investors

> LunaBill has raised $500K across 1 round since 2025. Investors include Y Combinator, Pioneer Fund and ZAKA VC. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *LunaBill*

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.

AI

Raised 12 months ago

Funding summary Updated 26 Oct 2026

**$500K** raised across 1 round since 2025, from 1 source

- **Latest round:** Pre-seed, $500K Nov 2025
- **Investors:** 3

See who backed them

## The rounds

- **Nov 2025** Pre-seed **$500K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [ZAKA VC](https://millionrounds.com/fund/zaka-vc) Source recorded

## Everyone who backed them

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

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[ZAKA VC](https://millionrounds.com/fund/zaka-vc) VC firm **1** round

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

## Also claim to have backed them

These 4 firms list LunaBill as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Garage Capital](https://millionrounds.com/fund/garage-capital) VC firm Per its own site

[Lobster Capital](https://millionrounds.com/fund/lobster-capital) VC firm Per its own site

[The Explorer Fund](https://millionrounds.com/fund/the-explorer-fund) VC firm Per its own site

[Zero Index](https://millionrounds.com/fund/zero-index) VC firm Per its own site

## Quick answers about LunaBill

### Who invested in LunaBill?

LunaBill's investors include Y Combinator, Pioneer Fund and ZAKA VC.

### How much has LunaBill raised?

LunaBill has raised $500K across 1 round since 2025.

### When did LunaBill last raise?

LunaBill's most recent round was a Pre-seed of $500K in Nov 2025.

### What was LunaBill's biggest round?

Its most recent round, $500K in Nov 2025, is also its largest on record.

### Who backed LunaBill first?

LunaBill's first round on record, in Nov 2025, was backed by Y Combinator, Pioneer Fund and ZAKA VC.

### What stage is LunaBill at?

LunaBill's latest named round is a Pre-seed, in Nov 2025.

### Where is LunaBill based?

LunaBill is based in the United States.

## Companies like LunaBill

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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