# Atinum Partners

> Atinum Partners is a VC fund in Seoul backing Software and Biotechnology. See 164 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Seoul, South Korea
- Total investments: 164
- Last investment: Aug 2026
- Lead investor: 27%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/atinum-investment
- Website: http://www.atinuminvest.co.kr/

Atinum Partners is a venture capital firm that invests in the growth stage startups in the IT, biotech, and healthcare sectors.

## Contacts

5 contacts available for Atinum Partners. Shizune tracks 6 team members at Atinum Partners. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/atinum-partners?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $3.4M–$40M |
| Series B | $5.8M–$44M |
| Series C | $12M–$40M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 18 | 11% |
| Biotechnology | 16 | 10% |
| Artificial Intelligence | 16 | 10% |
| E-Commerce | 14 | 9% |
| Information Technology | 14 | 9% |

164 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 43 | 26% |
| Series B | 36 | 22% |
| Series C | 25 | 15% |
| Seed | 14 | 9% |
| Series D | 7 | 4% |

13 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| South Korea | 80 | 49% |
| United States | 17 | 10% |
| Singapore | 4 | 2% |
| Japan | 2 | 1% |
| Israel | 2 | 1% |

7 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Cheuk Kim | chief managing director; Founder & Chief Managing Director | 4 | https://shizune.co/investors/profile/cheuk-kim-cad3 |
| Jaemyung Lee | Director | 2 | https://shizune.co/investors/profile/jaemyung-lee-3a85 |
| Je-Wook Kim | Senior Managing Director | 17 | https://shizune.co/investors/profile/je-wook-kim |
| Ki Chun Shin | VP & CEO | 0 | https://shizune.co/investors/profile/ki-chun-shin |
| Park Chan-hoon | Chief | 3 | https://shizune.co/investors/profile/park-chan-hoon |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Modhaus | Modhaus is an open architecture K-Pop agency dedicated to leading the global music industry. The firm is committed to establishing a fan-centered entertainment system. It strives to work diligently to ensure that our fans are involved in significant stages of production through encouragement and proactive communication. The company focuses oncontent and entertainment that encourages fan participation. | $7M | Series B | Aug 05, 2026 |  |
| AB180 | AB180 is a marketing technology company that develops software for app growth, user acquisition, engagement, attribution, and monetization. The company provides a full-stack AI platform that helps businesses measure marketing performance, optimize customer acquisition, improve user retention, and maximize revenue across mobile apps, games, anddigital services. Its product portfolio includes Airbridge, a mobile measurement partner (MMP) and attribution platform; DeepLink Plan, a deep linking and user journey optimization solution; and Airflux, an AI-powered monetization platform for mobile games. Together, these products enable businesses to measure cross-platform marketing performance, predict customer lifetime value (LTV), detect ad fraud, automate in-app advertising and purchase optimization, and deliver personalized user experiences.AB180 also provides AI-driven analytics, customer engagement, and marketing automation solutions that integrate with enterprise platforms and advertising ecosystems. Its technologies leverage machine learning to optimize marketing campaigns, improve conversion rates, automate monetization experiments, and generate actionable insights from user behavior. In addition to its proprietary products, the company is a strategic implementation and consulting partner for platforms such as Amplitude and Braze, helping organizations deploy and optimize data-driven growth strategies. | $13.7M | Series C | Jul 01, 2026 |  |
| Byte Lab | Byte Lab prioritizes achieving long-term results by concentrating on *how* we grew rather than just growing quickly. | $6.6M | Venture - Series Unknown | May 19, 2026 |  |
| Mustbio | MustBio is a biotechnology company that leverages multi-antibody technology to develop therapeutics primarily in the field of immuno-oncology. The company was founded in 2021 and is based in Seoul, South Korea. | $23.3M | Series C | Mar 13, 2026 |  |
| G2GBIO | G2GBIO operates to supply good medicines to patients all over the world and practice. | $52.5M | Post-IPO Debt | Feb 25, 2026 |  |
| BOS Semiconductors | BOS Semiconductors is a fabless semiconductor firm specializing in automotive-grade System-on-Chip (SoC) solutions and high-performance computing platforms. Its technologies support advanced driver assistance, autonomous driving, and centralized in-vehicle computing systems. | $60.3M | Series A | Feb 23, 2026 |  |
| RideFlux | RideFlux is a self-driving software company for safe and reliable autonomous transporation service. Since our foundation in 2018, we hope for a better world where everyone can be safer and more comfortable while moving with our self-driving cars and software. We believe in the potential that self-driving technology embraces, how driving canbecome an innovative experience not a mere stress, which inspires us to build up its future with every step on our way.Our headquarter is located in Jeju island, one of the best test-beds in the world for developing reliable AD software technologies. It has a variety of road environments and various weather conditions across the island (1850 square kilometers), and significantly high demands for mobility service (16 million visitors a year without bring own vehicles). We are strategically located for technology enhancement for reliable urban autonomy. For the Safety, Beyond the Safety. | $13.9M |  | Dec 29, 2025 |  |
| Holiday Robotics | Holiday Robotics is a robotics company that specializes in the development and commercialization of humanoid robots with sophisticated robotic hands. | $102.1M | Series A | Dec 08, 2025 |  |
| Sionic AI | Sionic AI is an information technology company that offers customized artificial intelligence platform services for business enterprises. It allows companies to design, manage, and utilize tailored AI services for business development and management. | $17M | Series A | Dec 01, 2025 |  |
| DAIM Research | DAIM Research is an AI-based automation system solution company that provides logistics automation solutions. | $14.9M | Series B | Nov 20, 2025 |  |

10 of 164 investments shown.

## Co-investors
- [Atinum Partners](https://shizune.co/investors/profile/atinum-investment) — VC Fund, 101 deals together
- [Korea Development Bank](https://shizune.co/investors/profile/korean-development-bank) — VC Fund, 22 deals together
- [Company K Partners](https://shizune.co/investors/profile/company-k) — VC Fund, 18 deals together
- [Korea Investment Partners](https://shizune.co/investors/profile/korea-investment-partners) — VC Fund, 18 deals together
- [Industrial Bank of Korea](https://shizune.co/investors/profile/industrial-bank-of-korea) — VC Fund, 17 deals together
- [KB Investment](https://shizune.co/investors/profile/kbinvest) — VC Fund, 17 deals together

## Similar investors

### Similar industry
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

### Similar country
- [Strong Ventures](https://shizune.co/investors/profile/strong-ventures) — VC Fund
- [Korea Credit Guarantee Fund](https://shizune.co/investors/profile/korea-credit-guarantee-fund) — VC Fund
- [Kakao Ventures](https://shizune.co/investors/profile/kakao-ventures) — VC Fund

## Featured in investor lists
- [Hardware Investors in South Korea](https://shizune.co/investors/hardware-investors-south-korea)
- [Hardware VC Funds in South Korea](https://shizune.co/investors/hardware-vc-funds-south-korea)
- [Consumer Investors in South Korea](https://shizune.co/investors/consumer-investors-south-korea)
- [Consumer VC Funds in South Korea](https://shizune.co/investors/consumer-vc-funds-south-korea)
- [Transportation Investors in South Korea](https://shizune.co/investors/transportation-investors-south-korea)
- [Transportation VC Funds in South Korea](https://shizune.co/investors/transportation-vc-funds-south-korea)

## FAQ

### What does Atinum Partners invest in?

Atinum Partners invests primarily in Software, Biotechnology and Artificial Intelligence startups, most often at Series A and Series B stage. Most of the 164 investments tracked by Shizune back companies in South Korea. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Atinum Partners's check size?

Atinum Partners typically joins rounds of $3.4M–$40M at Series A, $5.8M–$44M at Series B and $12M–$40M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Atinum Partners participates in.

### How do I contact Atinum Partners?

Public channels for Atinum Partners include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Atinum Partners?

The team at Atinum Partners includes Cheuk Kim (chief managing director; Founder & Chief Managing Director), Jaemyung Lee (Director) and Je-Wook Kim (Senior Managing Director), among 6 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co