SK Inc. is the strategic investment holding company of South Korea's SK Group, managing a portfolio across advanced materials, green energy, bio, and digital sectors. It leads value-up initiatives to maximize profitability, optimize investment assets, and identify growth engines in AI, semiconductors, and energy solutions.
Average disclosed round size is $197.0M (across 12 rounds with reported amounts).
Portfolio
12
Fund Size
—
Top Stage
Series D
Last 12 Mo
0
Team
JJ
Jeong, Jong Ho
Independent Director
KD
Kang, Dong Soo
Director
LK
Lee, Kwan Young
Independent Director
LK
Lee, Kye Joung
Independent Director
YC
Yoon, Chi Won
Independent Director
CT
Chey, Tae won
CEO
JY
Jang, Yong ho
CEO
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
14 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 GROUP14 | Series D | $463M | Aug 2025 |
 Geminus | Seed | $5.9M | Jan 2024 |
 Wildtype | Unknown | — | Nov 2022 |
 Swift Navigation | Series D | $100M | Oct 2022 |
 Atom Power | Growth | $100M | Aug 2022 |
| PPalm NFT Studio | Series B | $27M | Dec 2021 |
| PPerfect Day Inc. | Series D | $350M | Sep 2021 |
 Perfect Day | Series D | $350M | Sep 2021 |
 Nature's Fynd | Series C | $350M | Jul 2021 |
 Monolith Materials, Inc. | Unknown | — | Jun 2021 |
 Hummingbird Bioscience | Series C | $125M | May 2021 |
| Perfect Day | Series D | $350M | Jan 2021 |
| Atom Power | Series B | $17.8M | Jun 2020 |
 Hummingbird Bioscience | Series C | $125M | — |
Top Co-Investors
EDBI3 shared
Horizons Ventures3 shared
SEEDS Capital2 shared
Mirae Asset2 shared
Morningside2 shared
Frazier Healthcare Partners2 shared
Amgen Ventures2 shared
Pureos Bioventures2 shared
Polaris Partners2 shared
Ally Bridge Group2 shared
Novo Capital2 shared
Affinity Partners2 shared
M122 shared
Hillhouse Investment1 shared
Breakthrough Energy Ventures1 shared
ADM Capital1 shared
SoftBank Vision Fund1 shared
Mousse Partners1 shared
Last updated: 7 October 2026