United States · Series C startup

Who invested in Rakuten Aspyrian

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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$434Mraised across 2 rounds since 2018, from 2 sources

$150MSeries C$284MSeries C
Latest round
Series C, $284MDec 2018
Step-upi
1.9×
Investors
3
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.

2019
$150MSeries C$284MSeries C
First round
Series C, $150M
Aug 2018
Biggest round
$284M
Series C · Dec 2018
Between rounds
4 months
from the last two

The rounds

  1. Dec 2018
    Series C$284M2 new

    Reported by FinSMEsSEC filing: $150M sold, first sale Aug 2018

  2. Aug 2018
    Series C$150M1 new

    Reported by FinSMEsSEC filing: $150M sold, first sale Aug 2018

Founders and team

From the SEC filings it signed: 5 on the team.

  • Carlos GarciaExecutive Officeri
  • Hiroshi MikitaniExecutive Officer, Directori
  • Merrill BielExecutive Officer, Directori
  • Miguel Garcia-GuzmanExecutive Officer, Directori
  • Takashi ToraishiExecutive Officeri

On the board, as filediHiroshi Mori

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

SBI GroupGrowth equity1round
Rakuten CapitalCorporate VC1round
Hiroshi MikitaniGrowth equity1round

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

Quick answers about Rakuten Aspyrian

Who invested in Rakuten Aspyrian?

Rakuten Aspyrian's investors include SBI Group, Rakuten Capital and Hiroshi Mikitani.

How much has Rakuten Aspyrian raised?

Rakuten Aspyrian has raised $434M across 2 rounds since 2018.

When did Rakuten Aspyrian last raise?

Rakuten Aspyrian's most recent round was a Series C of $284M in Dec 2018.

What was Rakuten Aspyrian's biggest round?

Its most recent round, $284M in Dec 2018, is also its largest on record.

Who backed Rakuten Aspyrian first?

Rakuten Aspyrian's first round on record, in Aug 2018, was backed by Hiroshi Mikitani.

What stage is Rakuten Aspyrian at?

Rakuten Aspyrian's latest named round is a Series C, in Dec 2018.

Where is Rakuten Aspyrian based?

Rakuten Aspyrian is based in the United States.

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