# Rebound Technologies funding: rounds and investors

> Rebound Technologies has raised $4.5M across 7 rounds since 2013. Investors include National Science Foundation, Start-Up Chile and Elemental Impact.

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

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

# Who invested in *Rebound Technologies*

7 rounds we have observed, with the 4 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.

Energy

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$4.5M** raised across 7 rounds since 2013, from 7 sources

**$40K** Seed **$1.4M** Grant **$142K** Grant **$75K** Grant **$748K** Grant **$137K** Grant **$2.0M** Venture

- **Latest round:** Venture, $2.0M Apr 2026
- **Step-up i:** 14.6×
- **Investors:** 4

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.

2013 2015 2017 2019 2021 2023 2025

**$40K** Seed

**$1.4M** Grant

**$75K** Grant

**$748K** Grant

**$2.0M** Venture

- **First round:** Seed, $40K
- **Biggest round:** $2.0M
- **Usual gap between rounds:** 20 months

## The rounds

- **Apr 2026** Venture **$2.0M** *3 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Elemental Impact](https://millionrounds.com/fund/elemental-impact) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) Source recorded SEC filing: $11M sold, first sale Feb 2026
- **Dec 2015** Grant **$137K** No investor was named in the report. From a historical funding record
- **Sept 2015** Grant **$748K** No investor was named in the report. From a historical funding record
- **Sept 2015** Grant **$75K** No investor was named in the report. From a historical funding record
- **Jan 2014** Grant **$142K** No investor was named in the report. From a historical funding record
- **Dec 2013** Grant **$1.4M** No investor was named in the report. From a historical funding record
- **Apr 2013** Seed **$40K** *1 new* [Start-Up Chile](https://millionrounds.com/fund/start-up-chile) From a historical funding record

## 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.

**Seed** 2013 **Grant** 2013 **Grant** 2014 **Grant** 2015 **Grant** 2015 **Grant** 2015 **Venture** 2026 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Start-Up Chile](https://millionrounds.com/fund/start-up-chile) [Elemental Impact](https://millionrounds.com/fund/elemental-impact) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures)

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

[Start-Up Chile](https://millionrounds.com/fund/start-up-chile) Accelerator **1** round

[Elemental Impact](https://millionrounds.com/fund/elemental-impact) VC firm **1** round

[Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) VC firm **1** round

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

## Also claim to have backed them

This firm lists Rebound Technologies 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.

[Clean Energy Venture](https://millionrounds.com/fund/clean-energy-venture-group) Angel network Per its own site

## Quick answers about Rebound Technologies

### Who invested in Rebound Technologies?

Rebound Technologies's investors include National Science Foundation, Start-Up Chile, Elemental Impact and Clean Energy Ventures.

### How much has Rebound Technologies raised?

Rebound Technologies has raised $4.5M across 7 rounds since 2013.

### When did Rebound Technologies last raise?

Rebound Technologies's most recent round was a Venture of $2.0M in Apr 2026.

### What was Rebound Technologies's biggest round?

Its most recent round, $2.0M in Apr 2026, is also its largest on record.

### Who backed Rebound Technologies first?

Rebound Technologies's first round on record, in Apr 2013, was backed by Start-Up Chile.

### What stage is Rebound Technologies at?

Rebound Technologies's latest named round is a Venture, in Apr 2026.

### Where is Rebound Technologies based?

Rebound Technologies is based in the United States.

## Companies like Rebound Technologies

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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