Japan · Series F startup

Who invested in iYell

2 rounds we have observed, with the 5 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.

Martech

Raised 4 months ago

Funding summaryUpdated 26 Oct 2026

$8.4Mraised across 2 rounds since 2025, from 2 sources

$2.1MSeries E$6.3MSeries F
Latest round
Series F, $6.3MJul 2026
Step-upi
3×
Investors
5
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.

2026
$2.1MSeries E$6.3MSeries F
First round
Series E, $2.1M
Nov 2025
Biggest round
$6.3M
Series F · Jul 2026
Between rounds
8 months
from the last two

The rounds

  1. Jul 2026
    Series F$6.3M3 returning

    Source recorded

  2. Nov 2025

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

Mizuho CapitalVC firm2rounds
SBI InvestmentVC firm2rounds
DG VENTURESAccelerator1round
Shizuoka CapitalVC firm1round

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

Also claim to have backed them

These 2 firms list iYell 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.

Spiral CapitalVC firmPer its own site
Global Catalyst Pa...VC firmPer its own site

Quick answers about iYell

Who invested in iYell?

iYell's investors include Mitsubishi UFJ Capital, Mizuho Capital, SBI Investment, DG VENTURES and Shizuoka Capital.

How much has iYell raised?

iYell has raised $8.4M across 2 rounds since 2025.

When did iYell last raise?

iYell's most recent round was a Series F of $6.3M in Jul 2026.

What was iYell's biggest round?

Its most recent round, $6.3M in Jul 2026, is also its largest on record.

Who backed iYell first?

iYell's first round on record, in Nov 2025, was backed by Mitsubishi UFJ Capital, Mizuho Capital and SBI Investment and 2 others.

What stage is iYell at?

iYell's latest named round is a Series F, in Jul 2026.

Where is iYell based?

iYell is based in Japan.

Companies like iYell

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

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