# Open Cosmos funding: rounds and investors > Open Cosmos has raised $737M across 4 rounds since 2018. Investors include Entrepreneur First, ETF Partners and LocalGlobe. Every round with its source. Source: https://millionrounds.com/company/open-cosmos (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Series C startup](https://millionrounds.com/companies) # Who invested in *Open Cosmos* 4 rounds we have observed, with the 16 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. Aerospace & Space Telecoms Raised this month Follow Open Cosmos and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fopen-cosmos) Funding summary Updated 5 Nov 2026 **$737M** raised across 4 rounds since 2018, from 7 sources **$7.0M** Series A **$50M** Series B **$346M** Growth **$334M** Series C - **Latest round:** Series C, $334M Oct 2026 - **Led by:** ETF Partners - **Biggest round:** $346M Growth · Sept 2026 - **Investors:** 16 (2 led) 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. 2018 2020 2022 2024 2026 **$7.0M** Series A **$50M** Series B **$346M** Growth **$334M** Series C - **First round:** Series A, $7.0M - **Biggest round:** $346M - **Usual gap between rounds:** 3 years ## The rounds - **Oct 2026** Series C **$334M** *1 returning* [ETF Partners](https://millionrounds.com/fund/etf-partners-the-environmental-technologies-fund) Lead Reported by ETF Partners - **Sept 2026** Growth **$346M** *9 new* *3 returning* [ETF Partners](https://millionrounds.com/fund/etf-partners-the-environmental-technologies-fund) Lead [Trill Impact](https://millionrounds.com/fund/trill-impact) Lead [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [LocalGlobe](https://millionrounds.com/fund/localglobe) [Business Growth Fund](https://millionrounds.com/fund/bgf) [Lightrock](https://millionrounds.com/fund/lightrock) [Claret Capital Partners](https://millionrounds.com/fund/claret-capital-partners) [British Columbia Investment Management Corporation (BCI)](https://millionrounds.com/fund/british-columbia-investment-management-corporation-bci) [National Security Strategic Investment Fund (NSSIF)](https://millionrounds.com/fund/national-security-strategic-investment-fund-nssif) [Institut Català de Finances (ICF)](https://millionrounds.com/fund/institut-catala-de-finances-icf) [Convex](https://millionrounds.com/fund/convex) [Phoenix Court](https://millionrounds.com/fund/phoenix-court) Reported by ETF Partners and 3 others - **Sept 2023** Series B **$50M** *3 new* *1 returning* [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [LocalGlobe](https://millionrounds.com/fund/localglobe) [Business Growth Fund](https://millionrounds.com/fund/bgf) [UK government](https://millionrounds.com/fund/uk-government) Source recorded - **Apr 2018** Series A **$7.0M** *4 new* [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [Charlie Songhurst](https://millionrounds.com/fund/charlie-songhurst) [Taavet Hinrikus](https://millionrounds.com/fund/taavet-hinrikus) BGF Ventures/ LocalGlobe Reported by FinSMEs ## Funding filed with regulators Open Cosmos filed 2 raises, $216M in all. Filings say how much was sold and to how many investors; they never name the investors. - Oct 2026 **$50M** UK share allotment - Sept 2026 **$166M** UK share allotment ## Founders and team From Open Cosmos's own website: 3 founders. **Rafel Jorda Siquier** Founder and CEO **Aleix Megias Homar** Co Founder and Chief Operating Officer **Jordi Barrera Ars** Co Founder and Chief Technology Officer ## 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. **Series A** 2018 **Series B** 2023 **Growth** 2026 **Series C** 2026 [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) [ETF Partners](https://millionrounds.com/fund/etf-partners-the-environmental-technologies-fund) L L [LocalGlobe](https://millionrounds.com/fund/localglobe) [Business Growth Fund](https://millionrounds.com/fund/bgf) [Trill Impact](https://millionrounds.com/fund/trill-impact) L [Charlie Songhurst](https://millionrounds.com/fund/charlie-songhurst) [Lightrock](https://millionrounds.com/fund/lightrock) [UK government](https://millionrounds.com/fund/uk-government) [Claret Capital Partners](https://millionrounds.com/fund/claret-capital-partners) [Taavet Hinrikus](https://millionrounds.com/fund/taavet-hinrikus) ## Everyone who backed them [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) Accelerator **3** rounds [ETF Partners](https://millionrounds.com/fund/etf-partners-the-environmental-technologies-fund) VC firm **2** rounds, led 2 [LocalGlobe](https://millionrounds.com/fund/localglobe) VC firm **2** rounds [Business Growth Fund](https://millionrounds.com/fund/bgf) Private equity **2** rounds [Trill Impact](https://millionrounds.com/fund/trill-impact) Private equity **1** round, led 1 [Charlie Songhurst](https://millionrounds.com/fund/charlie-songhurst) VC firm **1** round [Lightrock](https://millionrounds.com/fund/lightrock) VC firm **1** round [UK government](https://millionrounds.com/fund/uk-government) Government **1** round [Claret Capital Partners](https://millionrounds.com/fund/claret-capital-partners) Private credit **1** round [Taavet Hinrikus](https://millionrounds.com/fund/taavet-hinrikus) VC firm **1** round [British Columbia Investment Management Corporation (BCI)](https://millionrounds.com/fund/british-columbia-investment-management-corporation-bci) Growth equity **1** round [National Security Strategic Investment Fund (NSSIF)](https://millionrounds.com/fund/national-security-strategic-investment-fund-nssif) Corporate VC **1** round [Institut Català de Finances (ICF)](https://millionrounds.com/fund/institut-catala-de-finances-icf) Investment firm **1** round [Convex](https://millionrounds.com/fund/convex) Company **1** round [Phoenix Court](https://millionrounds.com/fund/phoenix-court) VC firm **1** round BGF Ventures/ LocalGlobe no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=open-cosmos). ## Also claim to have backed them This firm lists Open Cosmos 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. [Burlington PR](https://millionrounds.com/fund/burlington-pr) VC firm Per its own site ## Quick answers about Open Cosmos ### Who invested in Open Cosmos? Open Cosmos's investors include Entrepreneur First, ETF Partners, LocalGlobe, Business Growth Fund and Trill Impact, and 11 more on record. ETF Partners led its latest round. ### How much has Open Cosmos raised? Open Cosmos has raised $737M across 4 rounds since 2018. ### When did Open Cosmos last raise? Open Cosmos's most recent round was a Series C of $334M in Oct 2026, led by ETF Partners. ### What was Open Cosmos's biggest round? Open Cosmos's largest round on record is $346M (Growth), in Sept 2026, led by ETF Partners. ### Who backed Open Cosmos first? Open Cosmos's first round on record, in Apr 2018, was backed by Entrepreneur First, Charlie Songhurst and Taavet Hinrikus and 1 others. ### What stage is Open Cosmos at? Open Cosmos's latest named round is a Series C, in Oct 2026. ### Where is Open Cosmos based? Open Cosmos is based in the United Kingdom. ### Who led Open Cosmos's rounds? ETF Partners led the Growth in 2026. ## Companies like Open Cosmos In the same sector, and raised in the last eighteen months. [**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**Foundational** $19M · Oct 2026](https://millionrounds.com/company/foundational)[**Productive Machines** $5.9M · Sept 2026](https://millionrounds.com/company/productive-machines)[**Cambridge Aerospace** $400M · Aug 2026](https://millionrounds.com/company/cambridge-aerospace)[**Archangel Lightworks** $17M · Aug 2026](https://millionrounds.com/company/archangel-lightworks)[**Holdson** $2.8M · Jul 2026](https://millionrounds.com/company/holdson) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app