# Infinimmune funding: rounds and investors > Infinimmune has raised $87M across 2 rounds since 2022. Investors include Playground Global, Regeneron Ventures and Pear VC. Every round with its source. Source: https://millionrounds.com/company/infinimmune (Millionrounds; every figure on the page links to its filing or article) United States · [Series A startup](https://millionrounds.com/companies) # Who invested in *Infinimmune* 2 rounds we have observed, with the 3 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. Biotech Raised 3 months ago Follow Infinimmune and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Finfinimmune) Funding summary Updated 5 Nov 2026 **$87M** raised across 2 rounds since 2022, from 2 sources **$12M** Seed **$75M** Series A - **Latest round:** Series A, $75M Aug 2026 - **Led by:** Playground Global and Regeneron Ventures - **Step-up i:** 6.3× - **Investors:** 3 (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. 2023 2024 2025 2026 **$12M** Seed **$75M** Series A - **First round:** Seed, $12M - **Biggest round:** $75M - **Between rounds:** 3.7 years ## The rounds - **Aug 2026** Series A **$75M** *1 new* *1 returning* [Playground Global](https://millionrounds.com/fund/playground-global) Lead [Regeneron Ventures](https://millionrounds.com/fund/regeneron-ventures) Lead Reported by Ventureburn - **Dec 2022** Seed **$12M** *2 new* [Pear VC](https://millionrounds.com/fund/pear-vc) [Playground Global](https://millionrounds.com/fund/playground-global) 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. **Seed** 2022 **Series A** 2026 [Playground Global](https://millionrounds.com/fund/playground-global) L [Regeneron Ventures](https://millionrounds.com/fund/regeneron-ventures) L [Pear VC](https://millionrounds.com/fund/pear-vc) ## Everyone who backed them [Playground Global](https://millionrounds.com/fund/playground-global) VC firm **2** rounds, led 1 [Regeneron Ventures](https://millionrounds.com/fund/regeneron-ventures) Growth equity **1** round, led 1 [Pear VC](https://millionrounds.com/fund/pear-vc) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=infinimmune). ## Also claim to have backed them These 2 firms list Infinimmune 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. [Civilization Ventures](https://millionrounds.com/fund/civilization-ventures) VC firm Per its own site [Wild Tree Ventures](https://millionrounds.com/fund/wild-tree-ventures) VC firm Per its own site ## Quick answers about Infinimmune ### Who invested in Infinimmune? Infinimmune's investors include Playground Global, Regeneron Ventures and Pear VC. Playground Global led its latest round. ### How much has Infinimmune raised? Infinimmune has raised $87M across 2 rounds since 2022. ### When did Infinimmune last raise? Infinimmune's most recent round was a Series A of $75M in Aug 2026, led by Playground Global. ### What was Infinimmune's biggest round? Its most recent round, $75M in Aug 2026, is also its largest on record. ### Who backed Infinimmune first? Infinimmune's first round on record, in Dec 2022, was backed by Pear VC and Playground Global. ### What stage is Infinimmune at? Infinimmune's latest named round is a Series A, in Aug 2026. ### Where is Infinimmune based? Infinimmune is based in the United States. ### Who led Infinimmune's rounds? Playground Global led the Series A in 2026. ## Companies like Infinimmune In the same sector, and raised in the last eighteen months. [**GPN Vaccines** $10B · Nov 2026](https://millionrounds.com/company/gpn-vaccines)[**Dren Bio** $375M · Oct 2026](https://millionrounds.com/company/dren-bio)[**DMC Biotechnologies** $19M · Oct 2026](https://millionrounds.com/company/dmc-biotechnologies)[**Caravel Bio** $9.0M · Oct 2026](https://millionrounds.com/company/caravel-bio)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines) ## 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