I
IRONGREY is a Seoul-based single family office anchored by the Korean industrial conglomerate SeAH Group (formerly known as SeAH R&I). It invests in technology-based companies and venture capital funds globally, with a portfolio spanning over a hundred assets across sectors and geographies.
Their most common stage is series-b (40% of deals). Average disclosed round size is $52.4M (across 10 rounds with reported amounts).
Portfolio
10
Fund Size
—
Top Stage
Series B
Last 12 Mo
0
Team
VP
Vincent Park
Partner & COO
JY
Ju Young Lee
Venture Capital Associate
HH
Henry Haesung Ahn
Venture Capitalist
HJ
Hyeyun Joung
Venture Capitalist
TK
TAEHYUN KIM
Investor
KD
KiHyun Do
Managing Dir
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
10 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Ascend Elements | Series D | $162M | Feb 2024 |
 EdgeQ | Series B | $75M | Apr 2023 |
| EEdgeq Inc | Series B | $75M | Apr 2023 |
 Estoca | Unknown | $32M | Jan 2023 |
 Canvas Medical | Series B | $24M | Jul 2022 |
 Homebound | Series C | $75M | Feb 2022 |
 Grow Commerce | Seed | $7M | Feb 2022 |
| MModern Electron | Series B | $30M | Feb 2022 |
 Drip | Series C | $40M | Oct 2021 |
 RentCheck | Seed | $3.6M | Jan 2021 |
Top Co-Investors
Yaletown Partners2 shared
Phaistos Investment Fund2 shared
EDBI2 shared
ClearSky2 shared
Strategic Development Fund2 shared
Y Combinator2 shared
Forerunner Ventures1 shared
GV1 shared
Khosla Ventures1 shared
Thrive Capital1 shared
Fifth Wall1 shared
Just Climate1 shared
Clearvision Ventures1 shared
Haystack1 shared
Upfront Ventures1 shared
M131 shared
Inspired Capital1 shared
IA Capital Group1 shared
Engineering Capital1 shared
Metaplanet1 shared
Last updated: 9 September 2026