Komori
T&S Group (4055) · RiskLower concentration in the 3 major groups; higher Kioxia ratioLatest Earnings presentation (2026-08-13): "Other"

Customer Concentration in the Toshiba, Hitachi and Kioxia Groups

First written in FY2020. 1 of 6 entries say "Worsened", first in FY2022. Latest entry: 2026-08-13.

6entries
6years
2from disclosures
Share on X
How it moved
ProgressHeldSoftenedWorseFirst statedFY2020WorsenedFY2022OtherFY2023 – 2026-08-132021: 120212022: 020222023: 120232024: 120242025: 120252026: 22026
Same theme, other companies
Dependence on Specific Customers for RevenueA theme 92 companies write about · 92 as a headwind · 0 as a tailwind

The whole theme swung hardest in 2025: 22 of 69 companies on the "Worse" side.

27 other companies' latest entry also says "Other".

Ridges = years it wrote progress, valleys = years it wrote worse. Most hopeful companies at the back. Drag to turn, scroll to zoom, right-drag to pan. On a phone, two fingers turn and pinch to zoom; one finger scrolls the page.
Showing 14 of the 92 companies compared. The sentences above are computed from all 92.
Full recordFilings, disclosures and news, newest first
  2. FY2025Lower concentration in the 3 major groups; higher Kioxia ratioAnnual report

    「Sales by customer in the fiscal year comprised 26.5% from the Kioxia Group, 19.0% from the Hitachi Group and 16.8% from the Toshiba Group.」

    Sales to the 3 major groups totaled 62.3%, down from 72.2% in the previous fiscal year. Meanwhile, the Kioxia Group’s share rose from 24.6% to 26.5%, while the shares of the Hitachi and Toshiba groups declined.
  3. FY2023Change in the customer concentration structureAnnual report

    「Sales by customer in the fiscal year comprised 29.9% from the Kioxia Group, 22.8% from the Hitachi Group and 19.5% from the Toshiba Group.」

    Sales to the 3 major groups totaled 72.2%, down from 75.4% in the previous fiscal year. Meanwhile, the Kioxia Group’s share rose from 29.4% to 29.9% and the Hitachi Group’s from 21.6% to 22.8%, while the Toshiba Group’s fell from 24.4% to 19.5%, changing the customer concentration structure.
  4. FY2022WorsenedAnnual report

    「The Company has maintained business relationships with the Kioxia Group, Toshiba Group and Hitachi Group as important customers for many years. Sales by customer in the fiscal year comprised 29.4% from the Kioxia Group, 24.4% from the Toshiba Group and 21.6% from the Hitachi Group.」

    Sales to the 3 major groups totaled 75.4%, with the Kioxia Group’s share rising from 21.4% in the previous fiscal year to 29.4%. The customer concentration structure indicates increased dependence on the Kioxia Group.
  5. FY2020First statedAnnual report

    「The Company has maintained business relationships with the Toshiba Group, Hitachi Group and Kioxia Group as important customers for many years. Accordingly, the business policies and financial conditions of these customers may affect the Company’s performance.」

    The filing states that sales comprised 33.0% from the Toshiba Group, 25.6% from the Hitachi Group and 17.5% from the Kioxia Group in the fiscal year, quantifying dependence on major customers.
Moved together

None of this company's other threads moved the same way in the same document twice or more.

When this could move next
No upcoming earnings preview for T&S Group yet. It last moved in the Earnings presentation of 2026-08-13: "Other".
News
No news is linked to this thread yet. When an article touches it, it will appear here by date.
Customer Concentration in the Toshiba, Hitachi and Kioxia Groups | T&S Group Inc. (4055) | Komori