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kainos loboratories

4556.TTSE STANDARD
Filed as KAINOS Laboratories,Inc. (2022-06–2025-11), KAINOS Laboratories, Inc. (2024-06–2025-06)
Major holders (5%+) · 3
HolderStakeChangeFiled
Flowers Co., Ltd.joint holder70.72%0.00pp2026-04-07
ASAHI KASEI THERAPEUTICS CORPORATION20.62%0.00pp2026-04-07
ASAHI KASEI PHARMA CORPORATION20.62%0.00pp2026-03-31

Each holder's own ratio from its most recent large-shareholding report.

Former and minor holders (below 5%) · 8
Mizuho Trust & Banking Co., Ltd.1.19%2026-04-07
Mizuho Securities Co., Ltd.0.13%2026-04-07
UH Partners 3, Inc.0.00%2026-04-01
UH Partners 2, Inc.0.00%2026-04-01
SIL, Inc.0.00%2026-04-01
Hikari Tsushin K.K.0.00%2026-04-01
Akiko Sugiyama0.00%2026-03-31
Sysmex Corporation0.00%2026-03-27
Ownership history · 54
FiledHolderRatioChangePurpose
2026-04-07AmendedASAHI KASEI THERAPEUTICS CORPORATION2026-04-07 · amended20.62%no changeGoing-private / tender offer related; Strategic holding (cross-shareholding); Collateral-related
2026-04-07AmendedFlowers Co., Ltd.2026-04-07 · amendedjoint70.72%no change—
2026-04-07Mizuho Securities Co., Ltd.2026-04-070.13%-2.89ppSecurities trading business
2026-04-07Mizuho Trust & Banking Co., Ltd.2026-04-071.19%-3.93ppAsset management / investment
2026-04-01AmendedUH Partners 3, Inc.2026-04-01 · amended0.00%-5.64pp—
2026-04-01AmendedUH Partners 2, Inc.2026-04-01 · amended0.00%-7.33pp—
2026-04-01AmendedSIL, Inc.2026-04-01 · amended0.00%-1.33pp—
2026-04-01AmendedHikari Tsushin K.K.2026-04-01 · amended0.00%-7.18pp—
2026-04-01Asahi Kasei Therapeutics Corporation2026-04-01joint20.62%new—
2026-04-01Flowers Co., Ltd.2026-04-0170.72%no changeGoing-private / tender offer related
2026-03-31Akiko Sugiyama2026-03-310.00%-9.76pp—
2026-03-31ASAHI KASEI PHARMA CORPORATION2026-03-3120.62%no changeGoing-private / tender offer related; Strategic holding (cross-shareholding); Collateral-related
2026-03-31Flowers Co., Ltd.2026-03-31joint70.72%new—
2026-03-27Sysmex Corporation2026-03-270.00%-5.05pp—
2026-03-23Mizuho Securities Co., Ltd.2026-03-233.02%+1.43ppSecurities trading business
2026-03-23Mizuho Trust & Banking Co., Ltd.2026-03-235.12%no changeAsset management / investment
2026-03-06Mizuho Securities Co., Ltd.2026-03-061.59%newSecurities trading business
2026-03-06Mizuho Trust & Banking Co., Ltd.2026-03-065.12%newAsset management / investment
2026-02-27AmendedSYSMEX CORPORATION2026-02-27 · amended5.05%newBusiness / capital relationship
2026-02-20AmendedSIL, Inc.2026-02-20 · amended1.33%no changePure investment

Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.