# Repair Biotechnologies funding: rounds and investors > Repair Biotechnologies has raised $7.4M across 2 rounds since 2019. Investors include Jim Mellon, Thynk Ventures and Emerging Longevity. Source: https://millionrounds.com/company/repair-biotechnologies (Millionrounds; every figure on the page links to its filing or article) United States · [Seed startup](https://millionrounds.com/companies) # Who invested in *Repair Biotechnologies* 2 rounds we have observed, with the 4 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 Healthcare Raised 11 months ago Funding summary Updated 26 Oct 2026 **$7.4M** raised across 2 rounds since 2019, from 2 sources **$2.1M** Seed **$5.3M** Round - **Latest round:** Round, $5.3M Nov 2025 - **Step-up i:** 2.4× - **Investors:** 4 (1 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. 2019 2020 2021 2022 2023 2024 2025 **$2.1M** Seed **$5.3M** Round - **First round:** Seed, $2.1M - **Biggest round:** $5.3M - **Between rounds:** 6.5 years ## The rounds - **Nov 2025** Round **$5.3M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $5.3M sold, first sale Nov 2025 - **May 2019** Seed **$2.1M** *4 new* [Jim Mellon](https://millionrounds.com/fund/jim-mellon) Lead [Thynk Ventures](https://millionrounds.com/fund/thynk-ventures) Emerging Longevity SENS Research Foundation Reported by FinSMEs SEC filing: $2.1M sold, first sale Mar 2019 ## 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** 2019 **Round** 2025 [Jim Mellon](https://millionrounds.com/fund/jim-mellon) L [Thynk Ventures](https://millionrounds.com/fund/thynk-ventures) Emerging Longevity SENS Research Foundation ## Everyone who backed them [Jim Mellon](https://millionrounds.com/fund/jim-mellon) Angel **1** round, led 1 [Thynk Ventures](https://millionrounds.com/fund/thynk-ventures) VC firm **1** round Emerging Longevity no record of our own yet **1** round SENS Research Foundation 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=repair-biotechnologies). ## Also claim to have backed them This firm lists Repair Biotechnologies 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. [LongGame Ventures](https://millionrounds.com/fund/longgame-ventures) VC firm Per its own site ## Quick answers about Repair Biotechnologies ### Who invested in Repair Biotechnologies? Repair Biotechnologies's investors include Jim Mellon, Thynk Ventures, Emerging Longevity and SENS Research Foundation. ### How much has Repair Biotechnologies raised? Repair Biotechnologies has raised $7.4M across 2 rounds since 2019. ### When did Repair Biotechnologies last raise? Repair Biotechnologies's most recent round, $5.3M, was in Nov 2025. ### What was Repair Biotechnologies's biggest round? Its most recent round, $5.3M in Nov 2025, is also its largest on record. ### Who backed Repair Biotechnologies first? Repair Biotechnologies's first round on record, in May 2019, was backed by Jim Mellon, Thynk Ventures and Emerging Longevity and 1 others. ### What stage is Repair Biotechnologies at? Repair Biotechnologies's latest named round is a Seed, in May 2019. ### Where is Repair Biotechnologies based? Repair Biotechnologies is based in the United States. ### Who led Repair Biotechnologies's rounds? Jim Mellon led the Seed in 2019. ## Companies like Repair Biotechnologies In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## 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