Tokyo Tape
Sign in

KOSE Holdings

4922.TChemicals
Filed as KOSE Corporation (2022-08–2025-08)
Major holders (5%+) · 5
HolderStakeChangeFiled
KOSE Management Association9.37%—2024-08-08
Wood Association9.23%—2024-08-08
MYM Laboratories Association9.06%0.00pp2025-12-12
Massachusetts Financial Services Company6.09%-1.39pp2026-07-06
Amova Asset Management Co., Ltd.5.45%-0.02pp2026-02-05

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

Former and minor holders (below 5%) · 12
Sumitomo Mitsui Trust Asset Management Co., Ltd.1.76%2026-02-05
Takao Kobayashi1.19%2024-08-08
Kazutoshi Kobayashi1.19%2024-08-08
Masanori Kobayashi1.08%2025-12-12
MYM Asset LLC0.91%2025-12-12
AMT Asset LLC0.91%2024-08-08
THK Asset LLC0.91%2024-08-08
MYM Partners Corporation0.25%2025-12-12
AMT Partners Corporation0.20%2024-08-08
THK Partners Corporation0.20%2024-08-08
MFS Investment Management K.K.0.13%2026-07-06
MYM Donation Co., Ltd.0.07%2025-12-12
Ownership history · 33
FiledHolderRatioChangePurpose
2026-07-06MFS Investment Management K.K.2026-07-060.13%no changePure investment; Held for clients (discretionary / trust); Asset management / investment
2026-07-06Massachusetts Financial Services Company2026-07-066.09%-1.39ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2026-03-19MFS Investment Management K.K.2026-03-190.13%+0.03ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2026-03-19Massachusetts Financial Services Company2026-03-197.48%-1.01ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2026-02-05AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2026-02-05 · amended1.76%-0.02ppHeld for clients (discretionary / trust); Asset management / investment
2026-02-05AmendedAmova Asset Management Co., Ltd.2026-02-05 · amended5.45%-0.02ppHeld for clients (discretionary / trust)
2026-02-05AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2026-02-05 · amended1.78%no changeHeld for clients (discretionary / trust); Asset management / investment
2026-02-05AmendedAmova Asset Management Co., Ltd.2026-02-05 · amended5.47%+1.60ppHeld for clients (discretionary / trust)
2026-02-05AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2026-02-05 · amended1.78%newHeld for clients (discretionary / trust); Asset management / investment
2026-02-05AmendedAmova Asset Management Co., Ltd.2026-02-05 · amended3.87%newHeld for clients (discretionary / trust)
2025-12-12MYM Donation Co., Ltd.2025-12-120.07%new—
2025-12-12MYM Partners Corporation2025-12-120.25%+0.05pp—
2025-12-12MYM Asset LLC2025-12-120.91%no change—
2025-12-12Masanori Kobayashi2025-12-121.08%-0.11ppParticipation in management; Stable shareholder
2025-12-12MYM Laboratories Association2025-12-129.06%no changeStable shareholder
2024-11-21AmendedMFS Investment Management K.K.2024-11-21 · amended0.10%-0.04ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2024-11-21AmendedMassachusetts Financial Services Company2024-11-21 · amended8.49%+1.07ppPure investment; Held for clients (discretionary / trust); Asset management / investment
2024-08-08MYM Partners Corporation2024-08-080.20%new—
2024-08-08MYM Asset LLC2024-08-080.91%new—
2024-08-08Masanori Kobayashi2024-08-081.19%newParticipation in management; Stable shareholder

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