UT Group Co

2146.TTSE PRIMEServices

Filed as UT Group Co.,Ltd. (2022-06–2026-06)

Major holders (5%+) · 3

Holder	Stake	Change	Filed
Yoichi Wakayama Office LLC	33.04%	+19.46pp	2026-09-11
Wakayama Yoichi Office Co., Ltd.	13.63%	—	2026-01-09
Mizuho Trust & Banking Co., Ltd.	5.41%	—	2026-02-06

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

Former and minor holders (below 5%) · 5

Lei Hau'oli Co., Ltd.	3.92%	2026-09-11
Sumitomo Mitsui Trust Asset Management Co., Ltd.	2.49%	2025-04-04
Nikko Asset Management Co., Ltd.	1.48%	2025-04-04
Asset Management One Co., Ltd.	1.45%	2026-02-06
Yoichi Wakayama	0.00%	2026-09-11

Ownership history · 21

Filed	Holder	Ratio	Change	Purpose
2026-09-11Amended	Yoichi Wakayama2026-09-11 · amended	0.00%	-19.46pp	Participation in management; Stable shareholder
2026-09-11Amended	Lei Hau'oli Co., Ltd.2026-09-11 · amended	3.92%	no change	Participation in management; Stable shareholder
2026-09-11Amended	Yoichi Wakayama Office LLC2026-09-11 · amended	33.04%	+19.46pp	Participation in management; Stable shareholder
2026-08-31Amended	Lei Hau'oli Co., Ltd.2026-08-31 · amended	3.92%	no change	Participation in management; Stable shareholder
2026-08-31Amended	Yoichi Wakayama Office LLC2026-08-31 · amended	13.58%	no change	—
2026-08-31Amended	Yoichi Wakayama2026-08-31 · amended	19.46%	no change	Participation in management; Stable shareholder
2026-08-17Amended	Lei Hau'oli Co., Ltd.2026-08-17 · amended	3.92%	no change	Participation in management; Stable shareholder
2026-08-17Amended	Yoichi Wakayama Office LLC2026-08-17 · amended	13.58%	no change	—
2026-08-17Amended	Yoichi Wakayama2026-08-17 · amended	19.46%	no change	Participation in management; Stable shareholder
2026-08-10Amended	Lei Hau'oli Co., Ltd.2026-08-10 · amended	3.92%	-0.63pp	Participation in management; Stable shareholder
2026-08-10Amended	Yoichi Wakayama Office LLC2026-08-10 · amended	13.58%	new	—
2026-08-10Amended	Yoichi Wakayama2026-08-10 · amended	19.46%	-3.15pp	Participation in management; Stable shareholder
2026-02-06	Asset Management One Co., Ltd.2026-02-06	1.45%	new	Held for clients (discretionary / trust)
2026-02-06	Mizuho Trust & Banking Co., Ltd.2026-02-06	5.41%	new	Asset management / investment
2026-01-09Amended	Lei Hau'oli Co., Ltd.2026-01-09 · amended	4.55%	new	Participation in management; Stable shareholder
2026-01-09Amended	Wakayama Yoichi Office Co., Ltd.2026-01-09 · amended	13.63%	new	—
2026-01-09Amended	Yoichi Wakayama2026-01-09 · amended	22.61%	new	Participation in management; Stable shareholder
2025-04-04Amended	Nikko Asset Management Co., Ltd.2025-04-04 · amended	1.48%	-0.41pp	Held for clients (discretionary / trust)
2025-04-04Amended	Sumitomo Mitsui Trust Asset Management Co., Ltd.2025-04-04 · amended	2.49%	-0.62pp	Held for clients (discretionary / trust); Asset management / investment
2024-09-20Amended	Nikko Asset Management Co., Ltd.2024-09-20 · amended	1.89%	new	Held for clients (discretionary / trust)

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