Japan · Growth startup

Who invested in Tier IV

2 rounds we have observed, with the 8 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.

Automotive & EVsLogistics

Raised 5 months ago

Funding summaryUpdated 26 Oct 2026

$106Mraised across 2 rounds since 2019, from 2 sources

$100MSeries A$6.2MGrowth
Latest round
Growth, $6.2MJun 2026
Biggest round
$100MSeries A · Jul 2019
Investors
8 (1 led)
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.

2020202120222023202420252026
$100MSeries A$6.2MGrowth
First round
Series A, $100M
Jul 2019
Biggest round
$100M
Series A · Jul 2019
Between rounds
6.9 years
from the last two

The rounds

  1. Jun 2026
    Growth$6.2M3 new

    Source recorded

  2. Jul 2019
    Series A$100M5 new

    Reported by Crunchbase News

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.

Series A2019Growth2026Sompo Japan Nipponkoa InsuranceLJAFCOSony Innovation FundMUFG BankMitsubishi CorporationYamaha MotorAISAN TECHNOLOGY CoKDDI Corp

Everyone who backed them

Sompo Japan Nipponkoa InsuranceCorporate VC1round, led 1
JAFCOCompany1round
Sony Innovation FundCorporate VC1round
MUFG BankInvestment firm1round
Mitsubishi CorporationVC firm1round
Yamaha MotorCorporate VC1round
AISAN TECHNOLOGY Cono record of our own yet1round
KDDI Corpno record of our own yet1round

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

Quick answers about Tier IV

Who invested in Tier IV?

Tier IV's investors include Sompo Japan Nipponkoa Insurance, JAFCO, Sony Innovation Fund, MUFG Bank and Mitsubishi Corporation, and 3 more on record.

How much has Tier IV raised?

Tier IV has raised $106M across 2 rounds since 2019.

When did Tier IV last raise?

Tier IV's most recent round was a Growth of $6.2M in Jun 2026.

What was Tier IV's biggest round?

Tier IV's largest round on record is $100M (Series A), in Jul 2019, led by Sompo Japan Nipponkoa Insurance.

Who backed Tier IV first?

Tier IV's first round on record, in Jul 2019, was backed by Sompo Japan Nipponkoa Insurance, JAFCO and Yamaha Motor and 2 others.

What stage is Tier IV at?

Tier IV's latest named round is a Growth, in Jun 2026.

Where is Tier IV based?

Tier IV is based in Japan.

Who led Tier IV's rounds?

Sompo Japan Nipponkoa Insurance led the Series A in 2019.

Companies like Tier IV

In the same sector, and raised in the last eighteen months.

Mujin, Inc.$224M · Oct 2026KG Motors$5.3M · Sept 2026emade$393K · Sept 2026RoboTruck$34M · Jul 2026CBcloudMar 2026folofly$6.3M · Mar 2026

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