United States · Who invested in Personalis?
Personalis's investors include Lightspeed Venture Partners, Mohr Davidow Ventures and Abingworth.
2011201320152017201920212023
$20MSeries A$22MSeries B$33MSeries C$50MRoundUnited States · Funded startup
Who invested in Personalis
Funding summaryUpdated 26 Oct 2026
$125Mraised across 4 rounds since 2011, from 4 sources
$20MSeries A$22MSeries B$33MSeries C$50MRound
- Latest round
- Round, $50MDec 2024
- Step-upi
- 1.5×
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $20M Aug 2011
- Biggest round
- $50M Round · Dec 2024
- Usual gap between rounds
- 2.2 years the median of 3
The rounds
- Dec 2024
- Jan 2015Series C$33M1 returning
From a historical funding recordSEC filing: $30M sold, first sale Dec 2014
- Oct 2013Series B$22M3 new
Reported by finsmes.comSEC filing: $22M sold, first sale Oct 2013
- Aug 2011Series A$20M
No investor was named in the report.
Reported by sec.govSEC filing: $5.0M sold, first sale Aug 2011
Founders and team
From the SEC filings it signed: 2 on the team.
- Carol TillisExecutive Officeri
- John WestExecutive Officer, Directori
On the board, as filediChris SchaepeJonathan MacQuittyKen LudlumPatrick BalthropVincent 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 A2011Series B2013Series C2015Round2024
Lightspeed Venture Partners
Mohr Davidow Ventures
Abingworth
Lightspeed Venture PartnersMohr Davidow VenturesAbingworthEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Personalis
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.
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