v3.25.2
Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2025
Disclosure of detailed information about financial instruments [abstract]  
Schedule of total marketable securities by currency Genmab’s marketable securities in USD, DKK, EUR, and GBP as a percentage of total marketable securities were as follows:
June 30, 2025December 31, 2024
Percent
USD75 %76 %
DKK16 %15 %
EUR%%
GBP%%
Total100 %100 %
Schedule of level 3 reconciliation of assets
The table below shows the fair value measurements by level for Genmab’s financial assets measured at fair value through profit or loss:
June 30, 2025December 31, 2024
Assets Measured at Fair ValueLevel 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Marketable securities1,603 — — 1,603 1,574 — — 1,574 
Other investments25 35 25 32 
Schedule of fair value changes on Level 3 investments of liabilities
There were no transfers into or out of Level 3 during the first half of 2025 or 2024. Acquisitions (capital calls) and fair value changes on Level 3 investments in 2025 and 2024 were as follows:
Other Investments
Fair value at December 31, 202313
Acquisitions3
Fair value changes5
Fair value at June 30, 202421
Acquisitions3
Fair value changes1
Fair value at December 31, 202425
Acquisitions3
Fair value changes(3)
Fair value at June 30, 202525
Schedule of fair value changes on Level 3 investments of assets
There were no transfers into or out of Level 3 during the first half of 2025 or 2024. Acquisitions (capital calls) and fair value changes on Level 3 investments in 2025 and 2024 were as follows:
Other Investments
Fair value at December 31, 202313
Acquisitions3
Fair value changes5
Fair value at June 30, 202421
Acquisitions3
Fair value changes1
Fair value at December 31, 202425
Acquisitions3
Fair value changes(3)
Fair value at June 30, 202525