Group Structure and Shareholders
Group structure
The Implenia Group has only one listed entity, Implenia Ltd., with its registered office in Opfikon, in the Canton of Zurich. Implenia Ltd has been listed on SIX Swiss Exchange since 6 March 2006 (security number: 238655, ISIN: CH0023868554, security symbol: IMPN). It holds no shares in listed companies within its scope of consolidation. As of 31 December 2025, the market capitalisation of Implenia Ltd. amounted to CHF 1.413 billion.
A list of the main unlisted entities within the scope of consolidation, along with their company names, registered office, share capital and the Group’s equity interest in each, can be found on page of the Notes of Implenia’s consolidated financial statements.
On 1 April 2025, Implenia restructured its internal organisation based on three new Divisions (Buildings, Civil Engineering and Service Solutions). The Divisions are supported by the global functions (Finance / Procurement, HR, Legal & Compliance, Strategy, Group IT and Marketing / Communications). Since 1 April 2025, the Implenia Executive Committee (IEC), the Group Management Board of the Implenia Group, has consisted of seven members. They are, besides the CEO, the three Division Heads and the three Function Heads (CFO, Chief Human Resources Officer, General Counsel and Chief Compliance Officer).
Major Shareholders
According to the disclosure reports of SIX Swiss Exchange and the Share Register, the shareholders listed below held a shareholding of more than 3% of the share capital and voting rights of Implenia Ltd on 31 December 2025.
Disclosed shareholdings
| Shareholder’s name | Investment |
|---|---|
| Philipp Buhofer / BURU Holding AG | 10.120% |
| UBS Fund Management (Switzerland) AG | 5.041% |
| Dimensional Holdings Inc. | 3.529% |
| JPMorgan Chase & Co. | 3.253% |
| BlackRock, Inc. | 3.060% |
All reports concerning the disclosure of shareholdings under Art. 120 FMIA, which were published in the reporting year and since 1 January 2026, are available at the following link of the Disclosure Office of SIX Swiss Exchange Ltd:
https://www.ser-ag.com/en/resources/notifications-market-participants/significant-shareholders.html#/
Cross-shareholdings
There are no cross-shareholdings.
To the complete Annual Report 2025 as PDF