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Sunshiki closes pre-seed round led by Circular Economy & Nature Positive Fund I to scale seaweed-based cattle methane reduction technology.

PRIVATESep 03, 2026

Round Type

Pre-Seed

KōchiBiotechnologyAgriculture and Farming

Investors

Ando Hazama CorporationCircular Economy & Nature Positive Fund ISBI New Business Investment Co., Ltd.

Description

Sunshiki Co., Ltd., a Kochi University startup founded in February 2024, has closed a pre-seed funding round to commercialize a seaweed-based feed additive that reduces methane from cattle. The round was led by Circular Economy & Nature Positive Fund I, managed by SBI New Business Investment Co., Ltd., with participation from Ando-Hazama Corporation. The additive uses Asparagopsis, a red seaweed shown to cut cattle methane emissions by 49–77%. Sunshiki will use the capital to scale production, advance product development, and build out its organization.

Quick answer

Sunshiki Ltd raised an undisclosed amount in a Pre-Seed round, dated September 3, 2026. Investors: Ando Hazama Corporation, Circular Economy & Nature Positive Fund I and SBI New Business Investment Co., Ltd. Sunshiki Ltd is based in Kōchi, Kochi Prefecture, Japan.

How much did Sunshiki Ltd raise?
Sunshiki Ltd raised an undisclosed amount in a Pre-Seed round on September 3, 2026.
Who invested in Sunshiki Ltd?
Ando Hazama Corporation, Circular Economy & Nature Positive Fund I and SBI New Business Investment Co., Ltd. are named as investors in this round.
What does Sunshiki Ltd do?
Sunshiki Co., Ltd. is a Kochi University startup founded in February 2024 that develops seaweed-based feed additives to reduce methane emissions from cattle.
Where is Sunshiki Ltd based and how big is it?
Sunshiki Ltd is based in Kōchi, Kochi Prefecture, Japan.
Who are the decision-makers at Sunshiki Ltd?
Fundz holds 1 contact at Sunshiki Ltd, including the Founder & CEO. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Agriculture and Farming and Biotechnology around the same time

Companies in the same sectors as Sunshiki Ltd that raised within 45 days of this round, from Fundz verified event records.

  • BloomX raised $13M (Series A) on October 15, 2026.
  • AgriZeroNZ raised $79M on October 4, 2026.
  • MOA Foodtech raised $3.7M (Seed) on September 28, 2026.
  • Basecamp Research raised $140M (Series C) on September 23, 2026.
  • Lilac Agriculture raised $2.3M (Seed) on September 22, 2026.
  • Robigo raised an undisclosed amount (Series A) on September 17, 2026.

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Company Information

Company

Sunshiki Ltd

Location

Kōchi, Kochi Prefecture, Japan

About

Sunshiki Co., Ltd. is a Kochi University startup founded in February 2024 that develops seaweed-based feed additives to reduce methane emissions from cattle. The company uses Asparagopsis, a red seaweed that has been shown to cut cattle methane emissions by 49–77%. Sunshiki aims to leverage Japan's seaweed cultivation expertise to commercialize this climate solution at scale. The startup holds J-Startup WEST certification and focuses on addressing ruminant methane, which accounts for approximately 5% of global greenhouse-gas emissions.

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Related People

1 contact
Verified contactsRyo K., Founder & CEOSee plans and pricing
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