Kumagaigumi

1861.TTSE PRIMEConstruction
Filed as Kumagai Gumi Co.,Ltd. (2022-06–2026-06)
Major holders (5%+) · 5
HolderStakeChangeFiled
Sumitomo Forestry Co., Ltd.15.86%—2026-01-26
Nikko Asset Management Co., Ltd.7.25%+0.16pp2025-03-21
Amova Asset Management Co., Ltd.5.68%-1.12pp2025-03-21
Kumagai Gumi Business Partner Shareholding Association5.61%—2026-07-01
Asset Management One Co., Ltd.5.54%-0.80pp2025-05-09

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

Former and minor holders (below 5%) · 6
Capital Research and Management Company4.84%2026-02-20
Sumitomo Mitsui Trust Asset Management Co., Ltd.1.91%2025-03-21
Oasis Management Company Ltd.1.49%2026-05-01
Asset Management One International Ltd.0.15%2025-05-09
Mizuho Securities Co., Ltd.0.02%2025-05-09
Kumagai Gumi Business Partner's Shareholding Association0.00%2026-07-01
Ownership history · 24
FiledHolderRatioChangePurpose
2026-07-01Kumagai Gumi Business Partner Shareholding Association2026-07-015.61%newBusiness / capital relationship
2026-07-01Kumagai Gumi Business Partner's Shareholding Association2026-07-010.00%newBusiness / capital relationship
2026-02-20AmendedCapital Research and Management Company2026-02-20 · amended4.84%-1.38ppPure investment; Held for clients (discretionary / trust)
2026-02-20AmendedCapital Research and Management Company2026-02-20 · amended6.22%-2.00ppPure investment; Held for clients (discretionary / trust)
2026-02-20AmendedCapital Research and Management Company2026-02-20 · amended8.22%+1.07ppPure investment; Held for clients (discretionary / trust)
2026-02-20AmendedCapital Research and Management Company2026-02-20 · amended7.15%newPure investment; Held for clients (discretionary / trust)
2026-01-26Sumitomo Forestry Co., Ltd.2026-01-2615.86%newStrategic holding (cross-shareholding); Business / capital relationship
2025-05-09AmendedMizuho Securities Co., Ltd.2025-05-09 · amended0.02%-0.24ppSecurities trading business
2025-05-09AmendedAsset Management One International Ltd.2025-05-09 · amended0.15%+0.01ppHeld for clients (discretionary / trust)
2025-05-09AmendedAsset Management One Co., Ltd.2025-05-09 · amended5.54%-0.80ppHeld for clients (discretionary / trust)
2025-05-09AmendedAsset Management One International Ltd.2025-05-09 · amended0.14%newHeld for clients (discretionary / trust)
2025-05-09AmendedMizuho Securities Co., Ltd.2025-05-09 · amended0.26%newSecurities trading business
2025-05-09AmendedAsset Management One Co., Ltd.2025-05-09 · amended6.34%newHeld for clients (discretionary / trust)
2025-03-21AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-03-21 · amended1.91%-0.22ppHeld for clients (discretionary / trust); Asset management / investment
2025-03-21AmendedAmova Asset Management Co., Ltd.2025-03-21 · amended5.68%-1.12ppHeld for clients (discretionary / trust)
2025-03-21AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-03-21 · amended2.13%-0.52ppHeld for clients (discretionary / trust); Asset management / investment
2025-03-21AmendedAmova Asset Management Co., Ltd.2025-03-21 · amended6.80%-0.53ppHeld for clients (discretionary / trust)
2025-03-21AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-03-21 · amended2.65%-0.01ppHeld for clients (discretionary / trust); Asset management / investment
2025-03-21AmendedAmova Asset Management Co., Ltd.2025-03-21 · amended7.33%newHeld for clients (discretionary / trust)
2025-03-21AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-03-21 · amended2.66%+0.03ppHeld for clients (discretionary / trust); Asset management / investment

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