Japan · 
Who invested in Atonarp?
Atonarp's investors include Walden Riverwood Ventures and Innovative Network Corporation of Japan.
20152016201720182019
$8.0MSeries A$16MRound$33MSeries CJapan · Series C startup
Who invested in Atonarp
3 rounds we have observed, with the 2 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
$57Mraised across 3 rounds since 2014, from 3 sources
$8.0MSeries A$16MRound$33MSeries C
- Latest round
- Series C, $33MAug 2019
- Step-upi
- 2.1×
- Investors
- 2
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, $8.0M Aug 2014
- Biggest round
- $33M Series C · Aug 2019
- Usual gap between rounds
- 3.1 years the median of 2
The rounds
- Aug 2019
- Jul 2016
- Aug 2014
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.
Also claim to have backed them
This firm lists Atonarp as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Atonarp
How much has Atonarp raised?
Atonarp has raised $57M across 3 rounds since 2014.
When did Atonarp last raise?
Atonarp's most recent round was a Series C of $33M in Aug 2019.
What was Atonarp's biggest round?
Its most recent round, $33M in Aug 2019, is also its largest on record.
Who backed Atonarp first?
Atonarp's first round on record, in Aug 2014, was backed by Walden Riverwood Ventures.
What stage is Atonarp at?
Atonarp's latest named round is a Series C, in Aug 2019.
Where is Atonarp based?
Atonarp is based in Japan.
Companies like Atonarp
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.