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IronGrey is a Seoul, South Korea-based venture capital firm that invests in technology-based companies across various stages, including early and later rounds. Their investment focus spans sectors such as Information Technology, Enterprise Applications, High Tech, Retail, Alternative Energy, Energy & Battery, Environmental, and Semiconductors.
40% of their portfolio is in Climate & Energy. Their most common stage is series-b (60% of deals). Average disclosed round size is $73.2M (across 5 rounds with reported amounts).
Portfolio
5
Fund Size
—
Top Stage
Series B
Last 12 Mo
0
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
5 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Ascend Elements | Series D | $162M | Feb 2024 |
 EdgeQ | Series B | $75M | Apr 2023 |
 Canvas Medical | Series B | $24M | Jul 2022 |
 Homebound | Series C | $75M | Feb 2022 |
| MModern Electron | Series B | $30M | Feb 2022 |
Top Co-Investors
Phaistos Investment Fund1 shared
Strategic Development Fund1 shared
EDBI1 shared
Yaletown Partners1 shared
ClearSky1 shared
Extantia1 shared
Starlight Ventures1 shared
MetaPlanet1 shared
Khosla Ventures1 shared
Forerunner Ventures1 shared
Thrive Capital1 shared
GV (Google Ventures)1 shared
Fifth Wall1 shared
Just Climate1 shared
Clearvision Ventures1 shared
Upfront Ventures1 shared
M131 shared
Inspired Capital1 shared
IA Capital Group1 shared
Haystack1 shared
Last updated: 16 April 2026