Atinum Investment | Activity | F4

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F4/Atinum Investment/Activity

Atinum Investment Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Investment

Led ₩30B ($21M) anchor investment in Lunit's ₩200B rights offering for medical AI expansion.

Lunit

Lunit Atinum Investment

en.wowtale.netAPR 13, 2026

en.wowtale.net

APR 13, 2026

News

Completed liquidation of Atinum High-Growth Companies Fund with 6x MOIC, distributing 1T won to LPs.

Atinum High-Growth Companies Fund liquidation

Atinum Investment

biz.chosun.comMAR 11, 2026

MAR 11, 2026

Exit

Portfolio company IMBiologics completed IPO on Kosdaq, raising 52.0 billion KRW with 839:1 institutional oversubscription.

IMBiologics

IMBiologicsAtinum Investment

ipox.comMAR 2026

MAR 2026

4 investments· DEC 2025 – FEB 2026Show all

Investment

Participated in BOS Semiconductors' $60.2M Series A to commercialize AI chips for autonomous vehicles and in-vehicle systems.

BOS Semiconductors

BOS Semiconductors Atinum Investment

autotechinsight.spglobal.comFEB 2026

en.wowtale.net

FEB 2026

Investment

Served as anchor investor, committing $20.98M in Lunit's 200B KRW rights offering for AI healthcare platform expansion.

Lunit

Lunit Atinum Investment

en.news1.krJAN 2026

JAN 2026

Investment

Led pre-IPO investment of 10 billion won in RideFlux, autonomous driving software startup preparing for Kosdaq listing.

RideFlux

RideFluxAtinum Investment

businesskorea.co.krDEC 2025

DEC 2025

Investment

Led Sionic AI's ₩25B Series A funding round for enterprise AI solutions.

Sionic AI

Sionic AI Atinum Investment

thesaasnews.comDEC 1, 2025

en.wowtale.net

DEC 1, 2025

3 exits· MAY 2025 – NOV 2025Show all

Exit

Portfolio company Test Valley completed exit.

Test Valley

Test ValleyAtinum Investment

pitchbook.comNOV 3, 2025

NOV 3, 2025

Exit

Portfolio company Dunamu (Upbit crypto exchange) was acquired by Naver Financial in $10.3 billion all-stock deal.

두나무

두나무 Atinum Investment

bloomberg.comNOV 2025

forbes.com

NOV 2025

Exit

Portfolio company Organoid Sciences completed IPO on Korea Exchange (Kosdaq) with 52.38% Day 1 surge.

Organoid Sciences

Organoid SciencesAtinum Investment

koreabiomed.comMAY 2025

MAY 2025