# Antimatter funding: rounds and investors > Antimatter has raised $363M across 2 rounds since 2022. Investors include New Enterprise Associates and General Catalyst. Every round with its source. Source: https://millionrounds.com/company/antimatter (Millionrounds; every figure on the page links to its filing or article) Canada · [Venture startup](https://millionrounds.com/companies) # Who invested in *Antimatter* 2 rounds we have observed, with the 2 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. AI Raised 6 months ago Funding summary Updated 26 Oct 2026 **$363M** raised across 2 rounds since 2022, from 2 sources **$12M** Series A **$351M** Venture - **Latest round:** Venture, $351M May 2026 - **Step-up i:** 29.2× - **Investors:** 2 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. 2022 2023 2024 2025 2026 **$12M** Series A **$351M** Venture - **First round:** Series A, $12M - **Biggest round:** $351M - **Between rounds:** 4.2 years ## The rounds - **May 2026** Venture **$351M** No investor was named in the report. Source recorded - **Mar 2022** Series A **$12M** *2 new* [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [General Catalyst](https://millionrounds.com/fund/general-catalyst) 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. **Series A** 2022 **Venture** 2026 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [General Catalyst](https://millionrounds.com/fund/general-catalyst) ## Everyone who backed them [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) VC firm **1** round [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=antimatter). ## Also claim to have backed them These 5 firms list Antimatter as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Compound](https://millionrounds.com/fund/compound-4) VC firm Per its own site [Spacecadet](https://millionrounds.com/fund/spacecadet) VC firm Per its own site [515 Ventures](https://millionrounds.com/fund/515-ventures) VC firm Per its own site [Spark Digital Capital](https://millionrounds.com/fund/spark-digital-capital) Family office Per its own site [Union Labs](https://millionrounds.com/fund/union-labs) VC firm Per its own site ## Quick answers about Antimatter ### Who invested in Antimatter? Antimatter's investors include New Enterprise Associates and General Catalyst. ### How much has Antimatter raised? Antimatter has raised $363M across 2 rounds since 2022. ### When did Antimatter last raise? Antimatter's most recent round was a Venture of $351M in May 2026. ### What was Antimatter's biggest round? Its most recent round, $351M in May 2026, is also its largest on record. ### Who backed Antimatter first? Antimatter's first round on record, in Mar 2022, was backed by New Enterprise Associates and General Catalyst. ### What stage is Antimatter at? Antimatter's latest named round is a Venture, in May 2026. ### Where is Antimatter based? Antimatter is based in Canada. ## Companies like Antimatter In the same sector, and raised in the last eighteen months. [**Quminex** $1.1M · Oct 2026](https://millionrounds.com/company/quminex)[**Biossil** $153M · Sept 2026](https://millionrounds.com/company/biossil)[**Astrus** $20M · Sept 2026](https://millionrounds.com/company/astrus)[**Altis Labs** $31M · Sept 2026](https://millionrounds.com/company/altis-labs)[**Thri5** $5.4M · Sept 2026](https://millionrounds.com/company/thri5)[**LawZero** $215M · Sept 2026](https://millionrounds.com/company/lawzero) ## 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