United States · 
Who invested in Day Zero Diagnostics?
Day Zero Diagnostics's investors include MassChallenge, Sands Capital Ventures and Triventures.
20192020202120222023
$8.6MSeries A$16MVentureUnited States · Venture startup
Who invested in Day Zero Diagnostics
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.
Funding summaryUpdated 26 Oct 2026
$25Mraised across 2 rounds since 2019, from 2 sources
$8.6MSeries A$16MVenture
- Latest round
- Venture, $16MSept 2023
- Step-upi
- 1.9×
- 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, $8.6M Jan 2019
- Biggest round
- $16M Venture · Sept 2023
- Between rounds
- 4.6 years from the last two
The rounds
- Sept 2023
- Jan 2019
Founders and team
From the SEC filings it signed: 3 on the team.
- Dougal MclaurinExecutive Officeri
- Jong LeeExecutive Officer, Directori
- Miriam HuntleyExecutive Officeri
On the board, as filediDouglas KwonJeff MirvissLaura Davis
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
Triventuresno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Day Zero Diagnostics
How much has Day Zero Diagnostics raised?
Day Zero Diagnostics has raised $25M across 2 rounds since 2019.
When did Day Zero Diagnostics last raise?
Day Zero Diagnostics's most recent round was a Venture of $16M in Sept 2023.
What was Day Zero Diagnostics's biggest round?
Its most recent round, $16M in Sept 2023, is also its largest on record.
Who backed Day Zero Diagnostics first?
Day Zero Diagnostics's first round on record, in Jan 2019, was backed by Triventures.
What stage is Day Zero Diagnostics at?
Day Zero Diagnostics's latest named round is a Venture, in Sept 2023.
Where is Day Zero Diagnostics based?
Day Zero Diagnostics is based in the United States.
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In the same sector, and raised in the last eighteen months.
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