---
title: "Mujin Secures $233M in Series D First Close: Advancing Physical AI and the Universal OS for Industrial Automation"
description: "Mujin raises $233M (¥36.4B) in Japan's largest startup fundraising round of 2025, co-led by NTT and Qatar Investment Authority (QIA), bringing cumulative funding to $411M (¥59.6B). Discover how MujinOS is establishing a global standard for intelligent robotics and end-to-end digital twin automation."
type: blog
publishDate: "2025-12-02"
tags: ["Blog", "Mujin", "News", "MujinOS", "Technology"]
---

Mujin, a global leader in intelligent industrial automation and physical AI, has secured **$233 million (¥36.4 billion)** in the first close of its Series D financing. The round comprises **$134 million (¥20.9 billion)** in new equity financing and **$99 million (¥15.5 billion)** in debt facilities from major financial institutions, bringing Mujin's total cumulative funding to **$411 million (¥59.6 billion)**.

According to data from leading intelligence platforms including INITIAL, this financing marks **the single largest startup fundraising round in Japan in 2025**. The round propels Mujin's post-money valuation past **¥150 billion ($1 billion+)**, firmly establishing its position as Japan's premier physical AI and robotics unicorn.

<figure className="my-8 text-center">
  <img
    src="/blog/2025/12/series-d-hero-en.webp"
    alt="Mujin Series D Funding US $233 Million First Close - Japan's Largest in 2025"
    className="rounded-xl shadow-md w-full object-cover max-w-4xl mx-auto"
  />
  <figcaption className="text-xs text-muted-foreground mt-2">
    Series D First Close: Japan's largest startup round of 2025 at $233M (¥36.4B), bringing cumulative funding to $411M
  </figcaption>
</figure>

The equity financing was co-led by **NTT Group** and **Qatar Investment Authority (QIA)**, with participation from Mitsubishi HC Capital Realty and Salesforce Ventures. Existing strategic investors, including Pegasus Tech Ventures and Accenture, have also expressed strong intent for follow-on commitments ahead of the upcoming second close in 2026.

**Japan's #1 Round in 2025**

<strong>$233M (¥36.4B)</strong><br />
Hybrid round: $134M equity + $99M debt. Valuation surpasses ¥150B+.

**Total Capital Raised**

<strong>$411M (¥59.6B)</strong><br />
Solid balance sheet propelling international expansion.

**Co-Lead Investors**

<strong>NTT & QIA</strong><br />
Global telecom infrastructure leader & sovereign wealth fund.

---

## 🧭 Why Series D Matters: The Transition to Product-Led Automation

Representing the largest venture financing in Japan for 2025, this round marks a watershed moment not just for Mujin, but for the global industrial automation sector as physical AI transitions from bespoke experimentation to enterprise-grade standard.

Manufacturing and logistics operations worldwide face structural headwinds: persistent labor shortages, wage inflation, and escalating supply chain volatility.

Historically, industrial robotics relied on bespoke, project-by-project system integration (SI). This traditional approach led to prolonged deployment cycles, prohibitive engineering costs, and fragmented silos between disparate equipment vendors.

Mujin is resolving this fundamental bottleneck by pivoting to a **scalable, product-led automation platform model**. This capital injection accelerates the adoption of **MujinOS** as the open, universal operating system for industrial automation worldwide.

---

## ⚡ Unpacking MujinOS: The Universal Operating System

MujinOS integrates advanced physical AI, real-time dynamic motion planning, and digital twin technology into a unified industrial architecture.

<figure className="my-8 text-center">
  <img
    src="/blog/2025/12/mujinos-architecture-en.webp"
    alt="MujinOS Platform Architecture"
    className="rounded-xl shadow-md w-full object-cover max-w-4xl mx-auto"
  />
  <figcaption className="text-xs text-muted-foreground mt-2">
    MujinOS Platform Architecture: Unifying multi-vendor arm robots, AGVs, automated storage, vision systems, and WES on a single platform
  </figcaption>
</figure>

### 1. Multi-Vendor, Heterogeneous Fleet Orchestration
MujinOS controls and orchestrates major industrial robot arms (FANUC, Yaskawa, Mitsubishi Electric, Kawasaki, KUKA, ABB) alongside automated guided vehicles (AGVs/AMRs), pallet shuttles, automated storage and retrieval systems (AS/RS), and 3D perception sensors through a single, coherent software architecture.

### 2. Zero-Teaching Autonomous Intelligence (Physical AI)
Unlike traditional industrial robotics requiring weeks of manual programming and waypoint teaching, MujinOS calculates collision-free motion paths in real time. Processing rich 3D point cloud data on the fly, robots dynamically adapt to unmodeled obstacles, shape variances, and positional shifts within milliseconds.

### 3. Rapid Deployment and Self-Service Horizontal Scaling
MujinOS packages turnkey, high-value applications—including mixed-case depalletizing, mixed-SKU palletizing, piece picking, container unloading (TruckBot), fleet management, and Warehouse Execution Systems (WES). Customers and certified System Integrators can build, customize, and replicate automation cells across multi-site networks with unprecedented speed.

<figure className="my-8 text-center">
  <img
    src="/blog/2025/12/mujinos-applications.webp"
    alt="MujinOS Applications Suite"
    className="rounded-xl shadow-md w-full object-cover max-w-4xl mx-auto"
  />
  <figcaption className="text-xs text-muted-foreground mt-2">
    End-to-end automation workflows from container unloading to AGV transport and pallet building
  </figcaption>
</figure>

---

## 🌐 End-to-End Digital Twin for Factories and Warehouses

A central pillar of MujinOS is its **real-time digital twin**, bridging physical assets with digital intelligence.

<figure className="my-8 text-center">
  <img
    src="/blog/2025/12/mujinos-digital-twin.webp"
    alt="MujinOS Real-time Digital Twin"
    className="rounded-xl shadow-md w-full object-cover max-w-4xl mx-auto"
  />
  <figcaption className="text-xs text-muted-foreground mt-2">
    Continuous, millisecond-accurate digital synchronization of all robots, mobile units, and physical inventory
  </figcaption>
</figure>

Rather than a static 3D visualization dashboard, the MujinOS digital twin serves as a **dynamic operational engine and living physical database**:

- **Granular Traceability:** Real-time visibility into the exact location, movement, and condition of every pallet, tote, and item across the facility.
- **Proactive Bottleneck Resolution:** Predictive monitoring spots conveyor back-ups or starvation states before they occur, dynamically rerouting AGV traffic and optimizing picking sequences.
- **Risk Mitigation & Simulation:** Accurate forecasting and scenario simulations empower data-driven decisions on throughput tuning and capital expenditures.

---

## 🎯 4 Strategic Investment Priorities

The $233M Series D funding will be deployed across four key pillars:

**1. Expanding the MujinOS Product Suite**

Accelerate the shift toward standardized, product-led solutions that enable partners and end-users to deploy and replicate robust automation self-sufficiently.

**2. Accelerating Enterprise Digital Twin Capabilities**

Enhance real-time operational engine capabilities, integrating deep sensor data for proactive orchestration and predictive analytics.

**3. Scaling Global Footprint in North America & Europe**

Expand regional engineering, field service, and commercial teams in the US and Europe, while scaling the certified System Integrator (SIer) partner ecosystem.

**4. Recruiting World-Class Physical AI Talent**

Aggressively grow our elite engineering teams across robotics, machine vision, distributed systems, and real-time computing to pioneer next-generation physical AI.

---

## 💬 Voices from Founders and Key Partners

<div className="grid grid-cols-1 md:grid-cols-2 gap-6 my-8">
  <div className="border border-border rounded-2xl p-6 bg-card shadow-sm flex flex-col">
    <div className="flex items-center gap-4 mb-4">
      <img
        src="/blog/2025/12/issei-takino.webp"
        alt="Issei Takino, CEO & Co-founder of Mujin"
        className="w-16 h-16 rounded-full object-cover border-2 border-primary/20"
      />
      <div>
        <h4 className="text-base font-bold m-0">Issei Takino</h4>
        <p className="text-xs text-muted-foreground m-0 mt-0.5">CEO & Co-founder, Mujin</p>
      </div>
    </div>
    <blockquote className="text-sm text-muted-foreground italic border-l-2 border-primary pl-4 m-0 flex-grow">
      "We express our deepest gratitude to our strategic partners and financial institutions for their strong conviction in Mujin's vision. By productizing 14 years of breakthroughs in intelligent industrial automation and scaling through our global partner ecosystem, we are directly addressing critical labor shortages worldwide. We remain committed to establishing MujinOS as the global standard and building an enduring company that competes and wins on the world stage."
    </blockquote>
  </div>

  <div className="border border-border rounded-2xl p-6 bg-card shadow-sm flex flex-col">
    <div className="flex items-center gap-4 mb-4">
      <img
        src="/blog/2025/12/rosen-diankov.webp"
        alt="Dr. Rosen Diankov, CTO & Co-founder of Mujin"
        className="w-16 h-16 rounded-full object-cover border-2 border-primary/20"
      />
      <div>
        <h4 className="text-base font-bold m-0">Dr. Rosen Diankov</h4>
        <p className="text-xs text-muted-foreground m-0 mt-0.5">CTO & Co-founder, Mujin</p>
      </div>
    </div>
    <blockquote className="text-sm text-muted-foreground italic border-l-2 border-primary pl-4 m-0 flex-grow">
      "The strong backing in our Series D round underscores investor confidence in MujinOS as the architecture powering the next generation of industrial automation. This capital accelerates our transition into a product-led enterprise, expanding our ability to deliver cloud services, real-time digital twins, and enterprise-grade automation to tier-one customers across global markets. We will continue our steadfast commitment to defining intelligent robotics for decades to come."
    </blockquote>
  </div>
</div>

<div className="border border-border rounded-2xl p-6 bg-card shadow-sm my-6">
  <div className="flex items-center gap-4 mb-4">
    <img
      src="/blog/2025/12/ntt-shimada.webp"
      alt="Akira Shimada, President & CEO of NTT Corporation"
      className="w-16 h-16 rounded-full object-cover border-2 border-primary/20"
    />
    <div>
      <h4 className="text-base font-bold m-0">Akira Shimada</h4>
      <p className="text-xs text-muted-foreground m-0 mt-0.5">President & CEO, NTT Corporation</p>
    </div>
  </div>
  <blockquote className="text-sm text-muted-foreground italic border-l-2 border-primary pl-4 m-0">
    "NTT Group has supported social progress and people's daily lives through telecommunications infrastructure and diverse technologies. Together with Mujin, a frontrunner in intelligent robotics transforming logistics and manufacturing, we will link NTT's IOWN optical communication assets and advanced computing infrastructure to enhance AI and robotics capabilities, creating new societal value and resolving widespread labor constraints."
  </blockquote>
</div>

---

## 📊 Summary of Series D Financing

<div className="grid grid-cols-1 md:grid-cols-2 gap-6 my-6">
  <div className="border border-border rounded-xl p-6 bg-card shadow-sm">
    <h4 className="text-base font-bold m-0 pb-3 border-b border-border">Equity Financing ($134M / ¥20.9B)</h4>
    <ul className="mt-4 space-y-2 text-sm text-muted-foreground list-disc pl-5">
      <li><strong>NTT Corporation</strong> (Co-Lead Investor)</li>
      <li><strong>NTT DOCOMO Business, Inc.</strong></li>
      <li><strong>Qatar Investment Authority (QIA)</strong> (Co-Lead Investor)</li>
      <li><strong>Mitsubishi HC Capital Realty Inc.</strong></li>
      <li><strong>Salesforce Ventures</strong></li>
    </ul>
    <p className="text-xs text-muted-foreground mt-4 pt-3 border-t border-border">
      * Introducing Agents: Mizuho Securities Co., Ltd., UBS AG Singapore Branch
    </p>
  </div>

  <div className="border border-border rounded-xl p-6 bg-card shadow-sm">
    <h4 className="text-base font-bold m-0 pb-3 border-b border-border">Debt & Syndicated Loan Facilities ($99M / ¥15.5B)</h4>
    <ul className="mt-4 space-y-2 text-sm text-muted-foreground list-disc pl-5">
      <li><strong>Lead Arrangers:</strong> Mizuho Bank, Sumitomo Mitsui Trust Bank, Bank of Yokohama</li>
      <li><strong>Participating Financial Institutions:</strong> Kiyo Bank, Aozora Bank, Bank of Nagoya, Senshu Ikeda Bank, Joyo Bank, Bank of Fukuoka, Bank of Kyoto, 77 Bank, Nishi-Nippon City Bank, Hachijuni Bank, Shoko Chukin Bank, UPSIDER Capital</li>
    </ul>
    <p className="text-xs text-muted-foreground mt-4 pt-3 border-t border-border">
      * Backed by the SME Support JAPAN guarantee framework for innovative tech commercialization
    </p>
  </div>
</div>

<figure className="my-8 text-center">
  <img
    src="/blog/2025/12/series-d-investors.webp"
    alt="Series D Participating Investors and Financial Institutions"
    className="rounded-xl shadow-md w-full object-contain max-w-3xl mx-auto bg-white p-4 border border-border"
  />
  <figcaption className="text-xs text-muted-foreground mt-2">
    Major institutional investors and participating banking partners in Series D
  </figcaption>
</figure>

:::note[Official Press Release]
This article provides an in-depth editorial perspective on Mujin's Series D financing announcement (December 2, 2025). For the complete official press release, please refer to the [Mujin Official Newsroom](https://www.mujin.co.jp/news/10444/).
:::

---

## 🚀 Explore More Stories and Engineering Insights

**[Series C Funding: Global Expansion](/blog/series-c-funding)**

How Mujin's $104M Series C round laid the groundwork for North American expansion and TruckBot development.

**[Mujin Story: Garage to Global Automation](/blog/mujin-story)**

The 6-part full journey from a two-man startup to building the world's first fully automated warehouse.

**[Inside the MujinOS Division](/teams/mujin-os/robotics-system)**

Explore the engineering teams building dynamic motion planning and machine vision algorithms.

---

Want to build next-generation physical AI and universal industrial robotics alongside elite engineers from around the world?
Explore career opportunities at [Mujin Careers](https://mujin.co.jp/recruit/).