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Atinum Investment

atinuminvest.co.kr

“Atinum Investment identifies and invests in companies solving fundamental problems through technology innovation and market disruption. The firm specializes in growth-stage startups and paradigm-shifting companies across diverse sectors.”

$500K – $10M
Check Size
Leads
Lead Tendency
~2 Weeks
Timeline
01Investment Thesis

Atinum Investment identifies and invests in companies solving fundamental problems through technology innovation and market disruption. The firm specializes in growth-stage startups and paradigm-shifting companies across diverse sectors.

Exclusion Criteria

Not explicitly stated, but avoids: non-innovative business models, companies without clear market opportunity, ventures lacking technical depth

02Investment Team
SP
Sang-ho Park
JL
Jae-Myung Lee
MH
Minsun Hong
03F4 Research Brief

Atinum Investment Research

Investment Thesis

Atinum Investment is a leading Korean venture capital firm founded in 1989 with over 25 years of operating history. The firm focuses on investing in Korean and international startups across multiple sectors with an investment philosophy centered on fundamental corporate value. They identify themselves as a "Leading Venture Capital" firm with expertise in identifying and nurturing innovative companies across diverse technology and service sectors.

Sector Focus

Atinum Investment maintains a highly diversified portfolio across several major sectors:

DeepTech Focus:

  • Semiconductors and hardware (Boscemi, OpenEdge Technologies, OpenEdge Square, CCNS, BC Semiconductor)
  • AI and Machine Learning (DaimResearch, XL8, OnePredict, iPopSoft)
  • Robotics and Automation (Clobot, MediinTech, TiraUTech)
  • Mobility and Autonomous Vehicles (RideFlux, Morai, MobilTech)

Biotechnology and Healthcare:

  • Biotech therapeutics (GobioLab, Stannium, InnoVotherapeutics, Celltrion as portfolio exit)
  • Digital health and life sciences
  • Healthcare IT and digital health platforms

Games and Interactive Content:

  • Online game development (PearlAbyss - major portfolio company)
  • Mobile game development and publishing (KakaoGames)
  • Interactive content and media platforms

Service and Platform:

  • Consumer platforms (Dunamu - cryptocurrency exchange, exited November 2025)
  • E-commerce and marketplaces (Zigbang - real estate platform, Watcha - content platform)
  • Publishing and content delivery (Ridi - e-books, RidiBooks)
  • Workplace and business services (FastFive - co-working spaces)

Consumer and Commerce:

  • Digital media and content platforms
  • Fashion and retail (Brandi, StyleShare, Trenbe)
  • Food and beverage services

Stage Focus

Atinum Investment operates across multiple investment stages:

  • Early-stage startups and pre-seed (significant allocation)
  • Growth-stage startups (primary focus)
  • Series A and later rounds for portfolio follow-ons

The firm emphasizes growth-stage startups with market innovation and technological disruption potential. They invest in companies that represent paradigm shifts in their respective industries.

Check Size and Investment Scale

Based on portfolio analysis:

  • Early-stage: Likely $500K-$2M range
  • Growth-stage: $2M-$10M+ range
  • Fund size: Manages multiple funds with total AUM in billions of KRW
  • Currently manages 5 active investment funds with total operating assets of significant scale

Lead Tendency

Atinum Investment primarily leads or co-leads investment rounds, particularly in early-stage and growth-stage deals. They take active investment committee seats and board representation in portfolio companies.

Recent Activity

Atinum Investment remains actively deploying capital with recent significant activity:

  • December 2025: Invested in RideFlux (autonomous driving/mobility)
  • November 2025: Dunamu (cryptocurrency exchange Upbit) had successful exit
  • Multiple portfolio companies recognized in 2025 Korea Startup Awards
  • Ongoing follow-on investments in existing portfolio companies
  • Active expansion into international markets through Singapore office

Fund Status: Currently actively deploying from multiple active funds

Portfolio Highlights

Notable Exits (17 exits total):

  • Dunamu (cryptocurrency exchange platform Upbit) - November 2025
  • Celltrion (biopharmaceutical company) - Major exit
  • PearlAbyss (online game developer, Black Desert) - Major portfolio success
  • KakaoGames (mobile games) - Continued strong performance

Current Portfolio Companies (50+ active):

  • Dunamu (Upbit crypto exchange) - Service/Platform
  • Celltrion - Biotech/Life Sciences
  • KakaoGames - Games/Content
  • Zigbang - Real Estate Platform
  • Watcha - Content Platform
  • Ridi/RidiBooks - Digital Publishing
  • PearlAbyss - Game Development
  • FastFive - Co-working/Services
  • Plus 40+ other active portfolio companies

Team

Atinum Investment operates with a specialized team divided into focused investment verticals:

Leadership:

  • Shin Ki-cheon (Chairman/CEO) - Founder and leader since 2000, CPA background
  • Lee Seung-yong (CEO) - International expansion lead, Oracle/Goldman Sachs background
  • Hwang Chang-suk (President/Fund Manager) - Bio/Healthcare focus, Johnson & Johnson background

Investment Verticals:

  • Maeng Du-jin (President, DeepTech) - AI, semiconductors, robotics, mobility specialist with Samsung background
  • Kim Je-wook (VP, Service/Platform) - Consumer platforms, B2B SaaS, fintech
  • Kwak Sang-hun (VP, Biotech) - Life sciences and biotech therapeutics
  • Park Sang-ho (Executive, Games/Content) - Interactive media, gaming, entertainment
  • Na Min-hyung (Singapore) - Southeast Asia expansion lead

Investment Professionals: 20+ Directors, Senior Officers, and Associates specializing in specific verticals

Decision Process

Investment decisions appear to flow through a vertical-based structure with:

  • Vertical leaders making primary investment recommendations
  • Committee-style approval from senior partners
  • Sector-specialized due diligence teams
  • Active post-investment management

Timeline: Estimated 2-4 weeks for investment decisions given active deployment pace

Geographic Focus

Primary Markets:

  • South Korea (primary market, HQ in Gangnam, Seoul)
  • United States (secondary focus, some portfolio companies US-based)
  • Europe (selective investments)
  • Southeast Asia (expanding through Singapore office)
  • Japan and South Korea focused on mobile gaming specialists

Founder Preferences

Atinum Investment seeks:

  • Founding teams with technical expertise and entrepreneurial experience
  • Companies solving fundamental problems with technology innovation
  • Teams focused on market and technology innovation
  • Companies enabling paradigm shifts in their industries
  • International ambitions and global expansion potential

Recent Market Position

Atinum Investment is publicly listed (KOSDAQ: 021080) and is one of Korea's largest venture capital firms with:

  • 24+ investment funds established
  • 19 liquidated funds (mature fund exits)
  • 5 actively managed funds
  • Total portfolio value in billions of KRW
  • 17 successful portfolio exits to date
  • 50+ active portfolio companies

The firm has maintained consistent investment activity even during market fluctuations and continues to deploy capital aggressively in growth-stage and emerging technology companies.

04Selected Portfolio
Biotech & Life Sciences
비엘큐·셀트리온
Consumer Apps & Social
Tantan
Crypto & Web3
두나무
Developer Tools & Infrastructure
플리토
E-commerce & Marketplaces
피알앤디컴퍼니·크레이버코퍼레이션·오토위니·번개장터·브랜디·트렌비·브레이브모바일·패브릭타임·Gojek
EdTech
클래스팅·이팝소프트·자란다
Enterprise Software
XL8·DaimResearch·OnePredict·패스트파이브·라포랩스·Sionic AI
Fintech & Payments
트래블월렛·자비스앤빌런즈
Food & Beverage
정육각
Gaming
카카오게임즈·펄어비스
Healthcare & Digital Health
힐링페이퍼(강남언니)·Lunit
HR Tech & Future of Work
그렙·원티드랩
Legal & Regtech
로앤컴퍼니
Logistics & Supply Chain
하우저
Marketing & Adtech
MobilTech·에코마케팅
Media & Entertainment
왓챠·리디
Real Estate & PropTech
직방
Robotics & Automation
Morai·Clobot·CCNS
Semiconductors & Hardware
BOS Semiconductors
Travel & Hospitality
무브·Klook
Other
GobioLab·Stannium·OpenEdgeTechnologies·Brandi·MediinTech·TiraUTech·Boscemi·스타일쉐어·집꾸미기·펫츠비·RideFlux
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (10) →
Led ₩30B ($21M) anchor investment in Lunit's ₩200B rights offering for medical AI expansion.
INVESTMENT·en.wowtale.net+1
APR 13, 2026
Completed liquidation of Atinum High-Growth Companies Fund with 6x MOIC, distributing 1T won to LPs.
NEWS·biz.chosun.com
MAR 11, 2026
Portfolio company IMBiologics completed IPO on Kosdaq, raising 52.0 billion KRW with 839:1 institutional oversubscription.
EXIT·ipox.com
MAR 2026
Participated in BOS Semiconductors' $60.2M Series A to commercialize AI chips for autonomous vehicles and in-vehicle systems.
INVESTMENT·autotechinsight.spglobal.com+1
FEB 2026
Served as anchor investor, committing $20.98M in Lunit's 200B KRW rights offering for AI healthcare platform expansion.
INVESTMENT·en.news1.kr
JAN 2026
06Frequent co-investors
KV
Kakao Ventures
Both backed 4 of the same companies
왓챠, Lunit, Morai, 두나무
II
IMM Investment
Both backed 3 of the same companies
Lunit, 브레이브모바일, 두나무
Find the investors for your round→
07Similar Firms
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OV
Origin Ventures
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UV
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Quick Reference
Check Size
$500K – $10M
Stages
Series A · Seed · Series B
Decision
Partnership · ~2 Weeks
Warm Intro
Not Required
Involvement
Board Seat
Sector Focus
Consumer Apps & SocialBiotech & Life SciencesSemiconductors & HardwareGamingRobotics & AutomationEnterprise SoftwareHealthcare & Digital Health
Models
B2B SaaSGamesBiotechFintechPlatforms
Technology
AI/MLSemiconductorsRoboticsAutonomous Vehicles
See all Consumer Apps & Social investors →See all Biotech & Life Sciences investors →See all Semiconductors & Hardware investors →
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Focus Areas
Consumer Apps & SocialBiotech & Life SciencesSemiconductors & HardwareGamingRobotics & AutomationEnterprise SoftwareHealthcare & Digital Health

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F4 Intelligence Report · Last Researched August 8, 2026F4 Research Engine