# R-PUR funding: rounds and investors

> R-PUR has raised $2.8M across 1 round since 2019. Investors include Citibank. Every round with its source.

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

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

# Who invested in *R-PUR*

One round we have observed, with the one investor 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

Funding summary Updated 26 Oct 2026

**$2.8M** raised across 1 round since 2019, from 1 source

- **Latest round:** Venture, $2.8M Nov 2019
- **Investors:** 1

See who backed them

## The rounds

- **Nov 2019** Venture **$2.8M** [Citibank](https://millionrounds.com/fund/citi) Source recorded

## Everyone who backed them

[Citibank](https://millionrounds.com/fund/citi) Growth equity **1** round

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

## Quick answers about R-PUR

### Who invested in R-PUR?

R-PUR's investors include Citibank.

### How much has R-PUR raised?

R-PUR has raised $2.8M across 1 round since 2019.

### When did R-PUR last raise?

R-PUR's most recent round was a Venture of $2.8M in Nov 2019.

### What was R-PUR's biggest round?

Its most recent round, $2.8M in Nov 2019, is also its largest on record.

### Who backed R-PUR first?

R-PUR's first round on record, in Nov 2019, was backed by Citibank.

### What stage is R-PUR at?

R-PUR's latest named round is a Venture, in Nov 2019.

## Companies like R-PUR

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

[**os.energy** $1.2M · Aug 2026](https://millionrounds.com/company/os-energy)[**CleanMax** $165M · Feb 2026](https://millionrounds.com/company/cleanmax)[**Radiance Renewables** $100M · Feb 2026](https://millionrounds.com/company/radiance-renewables)[**Turno** $4.7M · Feb 2026](https://millionrounds.com/company/turno)[**e-TRNL Energy** $3.0M · Feb 2026](https://millionrounds.com/company/e-trnl-energy)[**PolyCycl** $2.9M · Jan 2026](https://millionrounds.com/company/polycycl)

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