# Rebolt funding: rounds and investors

> Rebolt has raised $3.5M across 2 rounds since 2025. Investors include Y Combinator, Antler and VitalizeVC. Every round with its source.

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

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

# Who invested in *Rebolt*

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

B2B

Funding summary Updated 26 Oct 2026

**$3.5M** raised across 2 rounds since 2025, from 2 sources

**$500K** Pre-seed **$3.0M** Seed

- **Latest round:** Seed, $3.0M May 2025
- **Step-up i:** 6×
- **Investors:** 3

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$500K** Pre-seed

**$3.0M** Seed

- **First round:** Pre-seed, $500K
- **Biggest round:** $3.0M
- **Between rounds:** 2 months

## The rounds

- **May 2025** Seed **$3.0M** *2 new* [Antler](https://millionrounds.com/fund/antler) [VitalizeVC](https://millionrounds.com/fund/vitalize-venture-capital) Source recorded
- **Mar 2025** Pre-seed **$500K** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Pre-seed** 2025 **Seed** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Antler](https://millionrounds.com/fund/antler) [VitalizeVC](https://millionrounds.com/fund/vitalize-venture-capital)

## Everyone who backed them

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

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

[VitalizeVC](https://millionrounds.com/fund/vitalize-venture-capital) VC firm **1** round

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

## Quick answers about Rebolt

### Who invested in Rebolt?

Rebolt's investors include Y Combinator, Antler and VitalizeVC.

### How much has Rebolt raised?

Rebolt has raised $3.5M across 2 rounds since 2025.

### When did Rebolt last raise?

Rebolt's most recent round was a Seed of $3.0M in May 2025.

### What was Rebolt's biggest round?

Its most recent round, $3.0M in May 2025, is also its largest on record.

### Who backed Rebolt first?

Rebolt's first round on record, in Mar 2025, was backed by Y Combinator.

### What stage is Rebolt at?

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

### Where is Rebolt based?

Rebolt is based in the United States.

## Companies like Rebolt

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

[**MURAL** $67M · Oct 2026](https://millionrounds.com/company/mural)[**Different** $48M · Oct 2026](https://millionrounds.com/company/different)[**Dapta** $6.0M · Oct 2026](https://millionrounds.com/company/dapta)[**Amani Therapeutics** $60M · Oct 2026](https://millionrounds.com/company/amani-therapeutics)[**Relay** $207M · Oct 2026](https://millionrounds.com/company/relay)[**Bash Capital1** $5.7M · Sept 2026](https://millionrounds.com/company/bash-capital1)

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