# Event Horizon Telescope funding: rounds and investors

> Event Horizon Telescope has raised $13M across 1 round since 2019. Investors include National Science Foundation. Every round with its source.

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

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

# Who invested in *Event Horizon Telescope*

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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$13M** raised across 1 round since 2019, from 1 source

- **Latest round:** Grant, $13M Oct 2019
- **Investors:** 1

See who backed them

## The rounds

- **Oct 2019** Grant **$13M** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Source recorded

## Everyone who backed them

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

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

## Quick answers about Event Horizon Telescope

### Who invested in Event Horizon Telescope?

Event Horizon Telescope's investors include National Science Foundation.

### How much has Event Horizon Telescope raised?

Event Horizon Telescope has raised $13M across 1 round since 2019.

### When did Event Horizon Telescope last raise?

Event Horizon Telescope's most recent round was a Grant of $13M in Oct 2019.

### What was Event Horizon Telescope's biggest round?

Its most recent round, $13M in Oct 2019, is also its largest on record.

### Who backed Event Horizon Telescope first?

Event Horizon Telescope's first round on record, in Oct 2019, was backed by National Science Foundation.

### What stage is Event Horizon Telescope at?

Event Horizon Telescope's latest named round is a Grant, in Oct 2019.

## Companies like Event Horizon Telescope

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

[**Africa50** $50M · Aug 2026](https://millionrounds.com/company/africa50)[**ZeroCircle** $546K · Jan 2026](https://millionrounds.com/company/zerocircle)[**ScrapUncle** $2.4M · Jan 2026](https://millionrounds.com/company/scrapuncle)[**Last Energy** $100M · Dec 2025](https://millionrounds.com/company/last-energy)[**Biocom** Dec 2025](https://millionrounds.com/company/biocom)[**TULU** $17M · Nov 2025](https://millionrounds.com/company/tulu)

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