# Personalis funding: rounds and investors > Personalis has raised $125M across 4 rounds since 2011. Investors include Lightspeed Venture Partners, Mohr Davidow Ventures and Abingworth. Source: https://millionrounds.com/company/personalis (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Personalis* 4 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 Funding summary Updated 26 Oct 2026 **$125M** raised across 4 rounds since 2011, from 4 sources **$20M** Series A **$22M** Series B **$33M** Series C **$50M** Round - **Latest round:** Round, $50M Dec 2024 - **Step-up i:** 1.5× - **Investors:** 3 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. 2011 2013 2015 2017 2019 2021 2023 **$20M** Series A **$22M** Series B **$33M** Series C **$50M** Round - **First round:** Series A, $20M - **Biggest round:** $50M - **Usual gap between rounds:** 2.2 years ## The rounds - **Dec 2024** Round **$50M** *1 returning* [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) Source recorded - **Jan 2015** Series C **$33M** *1 returning* [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) From a historical funding record SEC filing: $30M sold, first sale Dec 2014 - **Oct 2013** Series B **$22M** *3 new* [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Mohr Davidow Ventures](https://millionrounds.com/fund/mohr-davidow-ventures) [Abingworth](https://millionrounds.com/fund/abingworth) Reported by finsmes.com SEC filing: $22M sold, first sale Oct 2013 - **Aug 2011** Series A **$20M** No investor was named in the report. Reported by sec.gov SEC filing: $5.0M sold, first sale Aug 2011 ## Founders and team From the SEC filings it signed: 2 on the team. - **Carol Tillis** Executive Officer i - **John West** Executive Officer, Director i On the board, as filed i *Chris Schaepe* *Jonathan MacQuitty* *Ken Ludlum* *Patrick Balthrop* *Vincent Miles* ## 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** 2011 **Series B** 2013 **Series C** 2015 **Round** 2024 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) [Mohr Davidow Ventures](https://millionrounds.com/fund/mohr-davidow-ventures) [Abingworth](https://millionrounds.com/fund/abingworth) ## Everyone who backed them [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) VC firm **3** rounds [Mohr Davidow Ventures](https://millionrounds.com/fund/mohr-davidow-ventures) VC firm **1** round [Abingworth](https://millionrounds.com/fund/abingworth) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=personalis). ## Quick answers about Personalis ### Who invested in Personalis? Personalis's investors include Lightspeed Venture Partners, Mohr Davidow Ventures and Abingworth. ### How much has Personalis raised? Personalis has raised $125M across 4 rounds since 2011. ### When did Personalis last raise? Personalis's most recent round was an Undisclosed round of $50M in Dec 2024. ### What was Personalis's biggest round? Its most recent round, $50M in Dec 2024, is also its largest on record. ### Who backed Personalis first? Personalis's first round on record, in Oct 2013, was backed by Lightspeed Venture Partners, Mohr Davidow Ventures and Abingworth. ### What stage is Personalis at? Personalis's latest named round is an Undisclosed round, in Dec 2024. ### Where is Personalis based? Personalis is based in the United States. ## Companies like Personalis 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)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio) ## 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