United States · 
Who invested in Kronos Bio?
Kronos Bio's investors include Omega Funds, Norbert Bischofberger, Vida Ventures, Google Ventures and Polaris Partners, and 7 more on record. Omega Funds led its latest round.
2019
$18MSeed$105MSeries AUnited States · Series A startup
Who invested in Kronos Bio
Funding summaryUpdated 26 Oct 2026
$123Mraised across 2 rounds since 2018, from 2 sources
$18MSeed$105MSeries A
- Latest round
- Series A, $105MJul 2019
- Led by
- Omega Funds and Vida Ventures
- Step-upi
- 5.8×
- Investors
- 12 (2 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $18M May 2018
- Biggest round
- $105M Series A · Jul 2019
- Between rounds
- 14 months from the last two
The rounds
- Jul 2019Series A$105M7 new2 returning
Omega FundsLead
Vida VenturesLead
Google Ventures
Polaris Partners
Perceptive Advisors
Invus
Nextech Ventures- Norbert Bischofberger
- Kronos President
Reported by FinSMEsSEC filing: $105M sold, first sale Jul 2019
- May 2018Seed$18M5 new
- Omega Funds
VIDA- Norbert Bischofberger
- BellCo
- John Martin
Reported by VcnewsdailySEC filing: $18M sold, first sale May 2018
Founders and team
From the SEC filings it signed: 4 on the team.
- David M. TanenExecutive Officer, Director, Promoteri
- Norbert BischofbergerExecutive Officer, Directori
- Philip C. GutryExecutive Officeri
- Sean A. AlgeoExecutive Officeri
On the board, as filediArie S. BelldegrunJacob C. LovenJohn C. MartinJoshua A. KazamOtello C. StampacchiaRebecka C. Belldegrun
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.
Everyone who backed them
Norbert BischofbergerAngel2rounds
BellCono record of our own yet1round
John Martinno record of our own yet1round
Kronos Presidentno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Kronos Bio 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.
Quick answers about Kronos Bio
How much has Kronos Bio raised?
Kronos Bio has raised $123M across 2 rounds since 2018.
When did Kronos Bio last raise?
Kronos Bio's most recent round was a Series A of $105M in Jul 2019, led by Omega Funds.
What was Kronos Bio's biggest round?
Its most recent round, $105M in Jul 2019, is also its largest on record.
Who backed Kronos Bio first?
Kronos Bio's first round on record, in May 2018, was backed by Omega Funds, VIDA and Norbert Bischofberger and 2 others.
What stage is Kronos Bio at?
Kronos Bio's latest named round is a Series A, in Jul 2019.
Where is Kronos Bio based?
Kronos Bio is based in the United States.
Who led Kronos Bio's rounds?
Omega Funds led the Series A in 2019.
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