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Koshidaka Holdings

2157.TTSE PRIMEServices
Major holders (5%+) · 5
HolderStakeChangeFiled
Youzan26.81%0.00pp2026-05-13
Fukuru9.94%0.00pp2026-05-13
FMR LLC8.63%+1.35pp2026-06-12
Fidelity Management & Research Company LLC8.26%0.00pp2026-06-12
IXGS, Inc.5.00%-0.28pp2026-09-14

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

Former and minor holders (below 5%) · 9
FMR Investment Management (UK) Limited4.72%2026-07-23
SMBC Nikko Securities Inc.2.88%2026-09-07
Sumitomo Mitsui DS Asset Management Company, Limited2.51%2026-09-07
Miwako Koshidaka0.79%2026-05-13
Fidelity Management & Research (Japan) Limited0.57%2026-06-12
Sumitomo Mitsui Banking Corporation0.21%2026-09-07
FIAM LLC0.17%2026-06-12
Hiroshi Koshidaka0.06%2026-05-13
Youzan0.00%2026-05-13
Ownership history · 100
FiledHolderRatioChangePurpose
2026-06-12AmendedFidelity Management & Research (Japan) Limited2026-06-12 · amended0.85%-0.85pp—
2026-06-12AmendedFidelity Management & Research Company LLC2026-06-12 · amended6.28%-0.28ppAsset management / investment
2026-06-12AmendedFidelity Management & Research (Japan) Limited2026-06-12 · amended1.70%no change—
2026-06-12AmendedFidelity Management & Research Company LLC2026-06-12 · amended6.56%no changeAsset management / investment
2026-06-12AmendedFidelity Management & Research (Japan) Limited2026-06-12 · amended1.70%new—
2026-06-12AmendedFidelity Management & Research Company LLC2026-06-12 · amended6.56%newAsset management / investment
2026-06-12AmendedFMR LLC2026-06-12 · amended8.63%+1.35ppHeld for clients (discretionary / trust); Asset management / investment
2026-06-12AmendedFMR LLC2026-06-12 · amended7.28%-1.35ppHeld for clients (discretionary / trust); Asset management / investment
2026-06-12Same-day filingFMR LLC2026-06-128.63%+0.20ppHeld for clients (discretionary / trust); Asset management / investment
2026-05-13AmendedMiwako Koshidaka2026-05-13 · amended0.79%no changeParticipation in management; Stable shareholder
2026-05-13AmendedYouzan2026-05-13 · amended26.81%no changeStable shareholder; Long-term holding
2026-05-13Youzan2026-05-130.00%new—
2026-05-13Hiroshi Koshidaka2026-05-130.06%no changeParticipation in management; Stable shareholder
2026-05-13Same-day filingMiwako Koshidaka2026-05-130.79%no changeParticipation in management; Stable shareholder
2026-05-13Fukuru2026-05-139.94%no changeStable shareholder; Long-term holding
2026-05-12Sumitomo Mitsui Banking Corporation2026-05-120.21%-0.01ppStrategic holding (cross-shareholding)
2026-05-12SMBC Nikko Securities Inc.2026-05-122.88%+2.52ppSecurities trading business
2026-05-12Sumitomo Mitsui DS Asset Management Company, Limited2026-05-124.97%-0.28ppPure investment
2026-04-24Hiroshi Koshidaka2026-04-240.06%no changeParticipation in management; Stable shareholder
2026-04-24Miwako Koshidaka2026-04-240.79%no changeParticipation in management; Stable shareholder

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