| Disclosure of categories of material financial assets and liabilities |
| | | | | | | | | | | | | | December 31, | | | | | | 2025 | | 2024 | Notes | | | | | | (Euro, in thousands) | | Financial assets held at fair value through other comprehensive income | | | | | | | | | | Equity investments | | Level 3 | | € | 46,809 | | € | 52,941 | 16 | | | | | | | | | | | Financial assets held at fair value through profit or loss | | | | | | | | | | Contingent consideration receivable | | Level 3 | | | 54,705 | | | 47,207 | 5 | Financial investments | | Level 1 | | | 1,472,031 | | | 1,484,599 | 22 | Convertible loan | | Level 3 | | | 21,175 | | | — | 17 | Financial assets at amortized cost | | | | | | | | | | Financial investments | | | | | 1,438,149 | | | 1,768,917 | 22 | Escrow account | | | | | — | | | 41,163 | 5 | Cash and cash equivalents | | | | | 87,868 | | | 64,239 | 23 | Restricted cash (current and non-current) | | | | | 1,759 | | | 1,985 | 18 | Other non-current assets | | | | | 1,200 | | | 1,266 | 18 | Trade receivables | | | | | 9,568 | | | 32,471 | 21 | Total financial assets | | | | € | 3,133,264 | | € | 3,494,788 | | | | | | | | | | | | Financial liabilities held at fair value through profit or loss | | | | | | | | | | Current financial instruments | | | | € | 5 | | € | 5 | 27 | Non-current contingent consideration related to milestones CellPoint | | Level 3 | | | — | | | 20,576 | 27 | Financial liabilities at amortized cost | | | | | | | | | | Trade liabilities | | | | | 32,621 | | | 64,230 | 27 | Lease liabilities | | | | | 6,915 | | | 11,722 | 26 | Total financial liabilities | | | | € | 39,541 | | € | 96,533 | |
|
| Disclosure of sensitivity of exchange rate risk |
| | | | | | | | | | | | | | | | December 31, | | | | | 2025 | | 2024 | | 2023 | | Net book value | | | | (Euro, in thousands) | Increase in Euros - U.S. Dollars | | | | € | (182,651) | | € | (70,387) | | € | (78,013) | Increase in Euros - GB Pounds | | | | | 62 | | | 31 | | | 666 | Increase in Euros - CH Francs | | | | | 774 | | | 280 | | | 385 |
|