Komori
Occurring Fact285AKioxia Holdings CorporationElectrical Equipment and Precision Instruments

Notice Regarding a Change in the Largest Shareholder, a Major Shareholder

BCPE Pangea Cayman, L.P. became the largest shareholder and a major shareholder, while Toshiba Corporation ceased to be the largest shareholder. BCPE’s voting interest was unchanged at 22.01%, while Toshiba’s declined from 22.87% to 21.97%.

Worth reading
31Immaterial
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Neutral
Direction inferred from the company’s description.
Scale
22.01
Voting rights ownership ratio (%)
Wording
Conditional
How definitive the wording is.

Change in largest shareholder, a major shareholder

Subject Entity

キオクシアホールディングス株式会社、BCPE Pangea Cayman, L.P.、株式会社東芝

Occurrence16 October 2025
8 days later
Awareness or receipt of notice24 October 2025
Same day
Litigation / administrative action2025年10月24日

（大量保有報告書（変更報告書）の提出日）

This disclosure10/27/2025
Cause

2025年10月24日付で、株主より大量保有報告書（変更報告書）が関東財務局に提出されたことにより、異動を確認した

Change in voting rights ownership ratio

BCPE Pangea Cayman, L.P.22.01％→22.01％（0.00pt）
株式会社東芝22.87％→21.97％（-0.90pt）

The voting rights ownership percentage is the proportion of the voting rights exercisable at a shareholders' meeting held by the shareholder.

Voting rights ownership percentage before the change

BCPE Pangea Cayman, L.P.：1,187,510個、22.01％（2025年9月30日現在）。株式会社東芝：1,234,240個、22.87％（2025年10月15日現在）。

Voting rights ownership percentage after the change

BCPE Pangea Cayman, L.P.：1,187,510個、22.01％（2025年10月16日現在）。株式会社東芝：1,185,340個、21.97％（2025年10月16日現在）。

Impact on Earnings Forecast

There are no material matters to report.

Related procedures

Court or authority

Kanto Local Finance Bureau

Outlook

There are no material matters to report.

Event that occurred
ItemDetails
Event nameChange in largest shareholder, a major shareholder
Date of occurrence16 October 2025
Date recognized / date notice received24 October 2025
Subject Entityキオクシアホールディングス株式会社、BCPE Pangea Cayman, L.P.、株式会社東芝
Cause2025年10月24日付で、株主より大量保有報告書（変更報告書）が関東財務局に提出されたことにより、異動を確認した
Impact on Earnings ForecastThere are no material matters to report.
Court or authorityKanto Local Finance Bureau
Date of filing / date of action2025年10月24日（大量保有報告書（変更報告書）の提出日）
Voting rights ownership percentage before the changeBCPE Pangea Cayman, L.P.：1,187,510個、22.01％（2025年9月30日現在）。株式会社東芝：1,234,240個、22.87％（2025年10月15日現在）。
Voting rights ownership percentage after the changeBCPE Pangea Cayman, L.P.：1,187,510個、22.01％（2025年10月16日現在）。株式会社東芝：1,185,340個、21.97％（2025年10月16日現在）。
OutlookThere are no material matters to report.
Items this document does not state (14)
Target Locations / ProductsAmount of Impact on Business PerformanceAccounting period in which recognizedType of litigation or proceedingPlaintiffDefendantClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateInvestigation structureMeasures to prevent recurrenceDirectors' and officers' liabilityPlanned follow-up disclosure

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

2025年10月24日付で株主から大量保有報告書（変更報告書）が関東財務局に提出されたことにより、異動を確認したため。

How to read this page

This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding a Change in the Largest Shareholder, a Major Shareholder | Kioxia Holdings Corporation (285A) timely disclosure | Komori