Atinum Investment is a Seoul-based venture capital firm founded in 1988, publicly listed on KOSDAQ (021080). The firm invests in promising startups across deep tech (AI, semiconductors, robotics, mobility), biotech and healthcare, games, and service/platform sectors, from early-stage through growth-stage, both in Korea and internationally.
Deal activity increased 67% year-over-year (5 deals in the last 12 months). Average disclosed round size is $721.0M (across 73 rounds with reported amounts).
Portfolio
70
Fund Size
$625M
Top Stage
Series A
Last 12 Mo
5
Team
Sang Hoon Kwak
Chief Managing Director
Chan Il Chang
Executive Director
David Lim
Director
Eun Ki Chung
Director
Geun Hye Kim
Director
Hee Jae Jung
Director
Hee Won Kim
Executive Director
Hyung Seon Kim
Director
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 AB180 | Series C | $15M | Jul 2026 |
 LinqAlpha | Series A | $22M | Jul 2026 |
 XCENA | Series B | $135M | May 2026 |
| AB180 | Series C | $15M | Jan 2026 |
 Liner | Series C | $36.1M | Jan 2026 |
| GGravityLabs | Series A | $17M | Dec 2025 |
 Pinetree Therapeutics, Inc. | Series B | $47M | Oct 2025 |
 Nex-i | Series B | — | Aug 2025 |
 MOVIN | Series A | — | Mar 2025 |
 IM Biologics | Ipo | $28.7M | Jan 2025 |
 MADDE | Series A | $8.1M | Jan 2025 |
 Sionic AI | Series A | $25B | Jan 2025 |
 Sionic | Series A | $25B | Jan 2025 |
 MarqVision | Series B | $48M | Jan 2025 |
| Liner | Series B | — | Oct 2024 |
 Sleekflow | Series A | $7M | Aug 2024 |
| Pinetree Therapeutics, Inc. | Series A | $17M | Jul 2024 |
| MMarvin AI | Unknown | $6.6M | Jun 2024 |
 Cupix | Series C | — | May 2024 |
 MedInTech | Series A | — | May 2024 |
| MOVIN | Series A | — | Feb 2024 |
| Cupix | Series C | $23.4M | Jan 2024 |
 JEONGYOOKGAK INC. | Unknown | — | Jan 2024 |
 PRND | Unknown | $374M | Jan 2024 |
| Liner | Series C | $36.1M | Jan 2024 |
Top Co-Investors
Last updated: 20 October 2026