Mutex Raises ¥60 Million in Seed Funding led by MTI Co., Ltd. to enhance product development for its AI-powered medical claims platform.
Amount Raised
¥60 Million
Round Type
Seed
BunkyoInformation TechnologySoftwareHealth CareArtificial IntelligenceMachine LearningSaaSInvestors
Description
Mutex, a Tokyo-based company specializing in AI-powered medical insurance claim support, secured ¥60 million in Seed funding. The funding, led by MTI Co., Ltd., will be used to bolster product development and improve the company's organizational structure. Founded in 2022, Mutex aims to optimize workflow in medical institutions. Their flagship product, Reze, automates claim processing and enhances operational management.
Quick answer
Mutex raised ¥60 Million in a Seed round, dated December 16, 2025. Investors: MTI Co., Ltd. Mutex is based in Bunkyo, Tokyo, Japan.
- How much did Mutex raise?
- Mutex raised ¥60 Million in a Seed round on December 16, 2025.
- Who invested in Mutex?
- MTI Co., Ltd. is named as investors in this round.
- What does Mutex do?
- Mutex is a software development company focused on AI-powered solutions for medical institutions.
- Where is Mutex based and how big is it?
- Mutex is based in Bunkyo, Tokyo, Japan. Fundz records about 11 employees.
- Who are the decision-makers at Mutex?
- Fundz holds 2 contacts at Mutex. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in SaaS and Software around the same time
Companies in the same sectors as Mutex that raised within 45 days of this round, from Fundz verified event records.
- Cursor raised $2.3B (Funding Round) on November 13, 2025.
- Sentra.app raised $5M (Seed) on January 30, 2026.
- Overpath raised $1.9M (Seed) on January 29, 2026.
- Yozo.ai raised $1.7M (Pre-Seed) on January 28, 2026.
- Paraglide AI raised $5M (Funding Round) on January 28, 2026.
- Checkbox raised $23M (Series A) on January 28, 2026.
Who to call at Mutex, and when
A new round usually means Mutex is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Mutex raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Mutex, from your own LinkedIn network
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Related People
Mutex raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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