United States · Seed startup

Who invested in Otto

4 rounds we have observed, with the 6 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.

Healthcare

Funding summaryUpdated 26 Oct 2026

$51Mraised across 4 rounds since 2022, from 4 sources

$1.6MSeed$43MSeries B$787KSeed$6.0MSeed

Latest round: Seed, $787KAug 2024
Biggest round: $43MSeries B · Aug 2023
Investors: 6

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.

20232024

$1.6MSeed$43MSeries B$787KSeed$6.0MSeed

First round: Seed, $1.6M
Biggest round: $43M
Usual gap between rounds: 14 months

The rounds

Aug 2024
Seed$787K1 new
- Techstars
Source recorded
Aug 2024
Seed$6.0M1 new
- Madrona Venture Group
Source recorded
Aug 2023
Series B$43M1 new
- Mercury Fund
Source recorded
Jun 2022
Seed$1.6M3 new
Source recorded

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.

Seed2022Series B2023Seed2024Seed2024

Techstars

Madrona Venture Group

Pareto HoldingsEdward Lando

Mercury Fund

On Deck

Everyone who backed them

TechstarsVC firm1round

Madrona Venture GroupVC firm1round

Pareto HoldingsVC firm1round

Edward LandoAngel1round

Mercury FundVC firm1round

On DeckAccelerator1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Otto 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.