United States · Seed startup

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 summaryUpdated 26 Oct 2026

$3.5Mraised across 2 rounds since 2025, from 2 sources

$500KPre-seed$3.0MSeed
Latest round
Seed, $3.0MMay 2025
Step-upi
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
$500KPre-seed$3.0MSeed
First round
Pre-seed, $500K
Mar 2025
Biggest round
$3.0M
Seed · May 2025
Between rounds
2 months
from the last two

The rounds

  1. May 2025
    Seed$3.0M2 new

    Source recorded

  2. Mar 2025
    Pre-seed$500K1 new

    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-seed2025Seed2025Y CombinatorAntlerVitalizeVC

Everyone who backed them

Y CombinatorAccelerator1round
AntlerVC firm1round
VitalizeVCVC firm1round

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

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.

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