Shareholding disclosure

UBS Group AG

Declared position

6.216%

Threshold

Crossed upwards

Timeline

Published

21.10.2026

Transaction

15.10.2026

Voting rights breakdown

Voting rights acquired6.216%

Voting rights sold0.3%

Below threshold0%

Notice details

CategorySingle shareholder

ExchangeXSWX

Notification ID

ZA01-000000000ST53

Beneficial owner

UBS Group AG

Declared address

UBS Group AG, Zürich, CH

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Shareholding disclosure

UBS Group AG

Idorsia Ltd21.10.2026ZA01-000000000ST53

Disclosure summary

UBS Group AG disclosed a holding in Idorsia Ltd on the acquisition side, published by SIX Exchange Regulation on 21.10.2026, at 6.216% of voting rights. Notice category: Single shareholder.

Disclosed position

6.216%

Voting rights acquired

Voting rights acquired6.216%

Voting rights sold0.3%

Below threshold0%

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Disclosure detail

UBS Group AG disclosed a holding in Idorsia Ltd, published on 21.10.2026.

Publication date21.10.2026

Transaction date15.10.2026

Issuing companyIdorsia Ltd

Beneficial ownerUBS Group AG

Declared addressUBS Group AG, Zürich, CH

CategorySingle shareholder

Voting rights acquired6.216%

Voting rights sold0.3%

Below threshold0%

ExchangeXSWX

Notification IDZA01-000000000ST53

Commercial register

CHE-395.345.924

Registered

Zefix record

Source: SIX Exchange Regulation · Publication date: 21.10.2026

These figures aggregate public disclosures. They are not investment advice.

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