United States · 
Who invested in Patient IO?
Patient IO's investors include Mercury Fund, Techstars and Geekdom Fund I L.P..
20142015
?Seed$100KDebt$55KDebt$1.0MSeed$3.3MVenture
United States · Venture startup
Who invested in Patient IO
Funding summaryUpdated 26 Oct 2026
$4.5Mraised across 5 rounds since 2013, from 5 sources
$100KDebt$55KDebt$1.0MSeed$3.3MVenture
- Latest round
- Venture, $3.3MNov 2015
- Step-upi
- 3.3×
- 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
- Seed Aug 2013
- Biggest round
- $3.3M Venture · Nov 2015
- Usual gap between rounds
- 4 months the median of 4
The rounds
- Nov 2015Venture$3.3M
No investor was named in the report.
From a historical funding record
- May 2014
- Jan 2014
- Dec 2013
- Aug 2013
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
Missing a round, or an investor who was in one? Tell us.
Quick answers about Patient IO
How much has Patient IO raised?
Patient IO has raised $4.5M across 5 rounds since 2013. One round did not disclose an amount, so the total is a floor.
When did Patient IO last raise?
Patient IO's most recent round was a Venture of $3.3M in Nov 2015.
What was Patient IO's biggest round?
Its most recent round, $3.3M in Nov 2015, is also its largest on record.
Who backed Patient IO first?
Patient IO's first round on record, in Aug 2013, was backed by Techstars.
What stage is Patient IO at?
Patient IO's latest named round is a Venture, in Nov 2015.
Where is Patient IO based?
Patient IO is based in the United States.
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