IMM Investment: Funding, Team & Investors

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IMM Investment: Funding, Team & Investors | Startup Intros

About

IMM Investment is a leading alternative investment firm based in Seoul, South Korea, specializing in venture capital, growth equity, infrastructure, real estate, and fund of funds. It actively invests in portfolio companies across information technology, healthcare/biotech, and manufacturing sectors, aiming to create significant value, and also operates regionally through offices in Hong Kong and Tokyo. As of June 2025, IMM Investment manages an AUM of USD 7.5 billion and employs between 51-100 individuals. The firm has historically spun off its buyout business to IMM PE in 2006 and its culture/contents focus to Stonebridge Capital in 2008. Its leadership team includes Co-Founders Timothy Dong-Woo Chang and Sung-Bae Ji, alongside CEOs IlBu JOUNG and JaeChul BYUN. IMM Investment was founded in September 1999 by Timothy Dong-Woo Chang and Sung-Bae Ji.

Investment Activity

IMM Investment has more than 26 tracked investments across 23 companies. The latest tracked deal is $17.0M Series A in Sionic AI in December 2025.

Investments

26+

23 companies

Investments Made

Date	Company	Round	Lead Investor(s)	Co-Investor(s)
Dec 1, 2025	Sionic AI	$17.0M Series A	Atinum Investment, LB Investment	BSK Investment, Flux Ventures, Industrial Bank OF Korea, Korea Investment Partners, KT Investment, Mirae Asset Venture Investment, Naver Cloud, Partners Investment, Samsung
Jul 14, 2025	Illimis Therapeutics	$41.8M Series B	Yohan KIM	AJU IB Investment, A Ventures, Company K Partners, Daily Partners, GS Ventures, Hana Ventures, Industrial Bank OF Korea, Korea Development Bank, LB Investment, Maple Investment Partners, Quad Investment Management, Schmidt, Shinhan Venture Investment, S&S Investment, TS Investment, Jiwoong Chun
Sep 9, 2024	Sionic AI	$4.0M Other Equity	—	Hillspring Investment, Korea Investment Partners, Samsung
May 13, 2024	XCENA(formerly MetisX)	$44.0M Series A	—	Industrial Bank OF Korea, LB Investment, Mirae Asset Capital, Mirae Asset Venture Investment, SBI Investment, Stic Ventures, SV Investment, Tony Investment, Wonik Investment Partners
May 9, 2024	Hysata	$111.0M Series B	Anastasia Vaia, Alfred Wong	Bluescopex, Hostplus, Oman Investment Authority, Posco E&C, Posco Holdings, Shinhan Financial Group, Telstrasuper, Twin Towers Ventures, Vestas Ventures, Virescent Ventures
Apr 24, 2024	DALPHA	$8.7M Pre-Series A	Jaemin SEO	DSC Investment, Intervest, Partners Investment, Primer Sazze Partners, Springcamp
Feb 27, 2024	Caring	$30.0M Series B	Seongmin LEE	ARK Impact, Hyundai Investment Partners, Korea Development Bank, LB Investment, Quantum Ventures Korea
Jan 18, 2024	Orange Square	$7.0M Series B	—	Korea Investment Partners, Mirae Asset Venture Investment, NOW IB
Dec 4, 2023	OKESTRO	$100.0M Series B	Stick Investment	IBK Investment & Securities, Korea Development Bank
Oct 31, 2023	Medipixel	$13.0M Series B	—	Company K Partners, Daily Partners, Industrial Bank OF Korea, Premier Partners, Quad Investment Management, SBI Investment Korea
Oct 23, 2023	MangoBoost	$55.0M Series A	IMM Investment, Shinhan Venture Investment	Insure & Match Capital, KB Investment, Korea Development Bank, Premier Partners
Jun 14, 2022	CNAI	$4.1M Pre-Series A	Centauri Fund, IMM Investment	—
Jun 2, 2022	Rebellions.ai	$49.8M Series A	—	Temasek, GU Equity Partners, Kakao Ventures, KB Investment, Korea Development Bank, KT Investment, Mirae Asset Capital, Mirae Asset Venture Investment, Pavilion Capital, Seoul Techno Holdings, SV Investment
May 8, 2022	Bucketplace	$182.0M Series D	—	Bond Capital, BRV Capital Management, Korea Development Bank, Mirae Asset Capital, Softbank Ventures Asia, Vertex Growth
Mar 15, 2022	Bear Robotics	$81.0M Series B	IMM Investment	Cleveland Avenue
Feb 28, 2022	BIORCHESTRA	$45.0M Series C	—	Chong KUN Dang Holdings, Chong KUN Dang Pharmaceutical, Daily Partners, E&venture Partners, GS Holdings, LSK Investment, NH Investment & Securities, Quantum Ventures Korea, SBI Investment, Smilegate Investment, Stick Investment, Widwin Investment
Sep 23, 2021	Genedit	$26.0M Series A	—	BOW Capital, Company K Partners, Daily Partners, DCVC BIO, Andrew Adams, KB Investment, Korea Investment Partners, KTB Network, Sequoia Capital, SK, Timefolio Asset Management
Aug 31, 2021	Lunit	$26.0M Series C	Guardant Health, Shinhan Securities	Intervest, Kakao Ventures, Legend Capital
Jun 23, 2021	Orum Therapeutics	$84.0M Series B	IMM Investment	Atinum Investment, Intervest, KB Investment, KDB
Jun 14, 2021	Soomgo	$28.7M Series C	IMM Investment	—
Jul 24, 2020	Riiid	$41.8M Pre-Series D	—	Intervest, Korea Development Bank, Nvestor
Feb 3, 2020	H2O	$7.0M Series B	—	Eric KIM, Shinhan Capital, Stonebridge Ventures
Dec 23, 2019	Spoon Labs	$40.0M Series B	Wonjin LIM	Naver, SBI Investment
Oct 15, 2019	True Balance	$23.0M Series C	—	D3 Jubilee Partners, HB Investment, IBK Capital, NH Investment & Securities, SB Partners, Shinhan Capital
Jul 17, 2019	Orum Therapeutics	$30.0M Series B	—	Intervest, KB Investment, KTB Network, Smilegate Investment, Stassets Investment