0001434265-26-000108 | 6-K | XBRL Viewer

Label

Element

Value

Interest Paid On Lease Liabilities, Classified As Operating Activities

gmab_InterestPaidOnLeaseLiabilitiesClassifiedAsOperatingActivities

$ 3,000,000

Interest Paid On Lease Liabilities, Classified As Operating Activities

gmab_InterestPaidOnLeaseLiabilitiesClassifiedAsOperatingActivities

3,000,000

Purchase Of Financial Assets At Fair Value Through Profit Or Loss Classified As Investing Activities

gmab_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsInvestingActivities

Purchase Of Financial Assets At Fair Value Through Profit Or Loss Classified As Investing Activities

gmab_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsInvestingActivities

569,000,000

Proceeds From Sales Of Financial Assets At Fair Value Through Profit Or Loss, Classified As Investing Activities

gmab_ProceedsFromSalesOfFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsInvestingActivities

Proceeds From Sales Of Financial Assets At Fair Value Through Profit Or Loss, Classified As Investing Activities

gmab_ProceedsFromSalesOfFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsInvestingActivities

595,000,000

Payments Of Withholding Taxes On Behalf Of Employees On Net Settled RSUs

gmab_PaymentsOfWithholdingTaxesOnBehalfOfEmployeesOnNetSettledRSUs

23,000,000

Payments Of Withholding Taxes On Behalf Of Employees On Net Settled RSUs

gmab_PaymentsOfWithholdingTaxesOnBehalfOfEmployeesOnNetSettledRSUs

$ 14,000,000

Disclosure Of Fair Value Measurement Of Assets, Level 3 Reconciliation [Table Text Block]

gmab_DisclosureOfFairValueMeasurementOfAssetsLevel3ReconciliationTableTextBlock

The table below shows the fair value measurements by level for Genmab’s financial assets measured at fair value through profit or loss:


	Note	June 30, 2026				December 31, 2025
Assets Measured at Fair Value		Level 1	Level 2	Level 3	Total	Level 1	Level 2	Level 3	Total
Interest rate swaps	1,8	—	10	—	10	—	—	—	—
Other investments		9	2	25	36	9	2	26	37

Weighted Average Fair Value Of Other Equity Instruments Granted In Share-based Payment Arrangement

gmab_WeightedAverageFairValueOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement

$ 1,852.27

Weighted Average Fair Value Of Other Equity Instruments Granted In Share-based Payment Arrangement

gmab_WeightedAverageFairValueOfOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement

$ 1,601.95

Disclosure Of Warrants Activity [Table Text Block]

gmab_DisclosureOfWarrantsActivityTableTextBlock


	Six Months Ended
	June 30,
	2026		2025
Warrants granted	509,290		530,330
Weighted average exercise price per warrant granted (DKK)	1,854.37		1,604.81
Weighted average Black-Scholes fair value per warrant granted (DKK)	596.06		500.33

Warrants exercised	14,844		43,921
Weighted average exercise price on date of grant per warrant exercised (DKK)	1,366.49		1,057.95
% change in share capital - warrants exercised	0.02	%	0.07	%

Number Of Warrants Granted During Period

gmab_NumberOfWarrantsGrantedDuringPeriod

509,290

Number Of Warrants Granted During Period

gmab_NumberOfWarrantsGrantedDuringPeriod

530,330

Weighted Average Exercise Price Of Warrants Granted

gmab_WeightedAverageExercisePriceOfWarrantsGranted

$ 1,854.37

Weighted Average Exercise Price Of Warrants Granted

gmab_WeightedAverageExercisePriceOfWarrantsGranted

1,604.81

Weighted Average Exercise Price Of Fair Value Of Warrants

gmab_WeightedAverageExercisePriceOfFairValueOfWarrants

596.06

Weighted Average Exercise Price Of Fair Value Of Warrants

gmab_WeightedAverageExercisePriceOfFairValueOfWarrants

$ 500.33

Number Of Warrants Exercised During Period

gmab_NumberOfWarrantsExercisedDuringPeriod

14,844

Number Of Warrants Exercised During Period

gmab_NumberOfWarrantsExercisedDuringPeriod

43,921

Weighted Average Exercise Price Of Warrants Exercised

gmab_WeightedAverageExercisePriceOfWarrantsExercised

$ 1,366.49

Weighted Average Exercise Price Of Warrants Exercised

gmab_WeightedAverageExercisePriceOfWarrantsExercised

$ 1,057.95

Percentage Of Share Capital Attributed To Exercise Of Warrants

gmab_PercentageOfShareCapitalAttributedToExerciseOfWarrants

0.02%

Percentage Of Share Capital Attributed To Exercise Of Warrants

gmab_PercentageOfShareCapitalAttributedToExerciseOfWarrants

0.07%

Share Repurchase, Percentage of Share Capital Authorized

gmab_ShareRepurchasePercentageOfShareCapitalAuthorized

10.00%

Share Repurchase, Percentage Of Purchase Price Deviation From Quoted Price

gmab_ShareRepurchasePercentageOfPurchasePriceDeviationFromQuotedPrice

10.00%

Number Of Treasury Shares Acquired

gmab_NumberOfTreasurySharesAcquired

342,130

Number Of Treasury Shares Acquired

gmab_NumberOfTreasurySharesAcquired

2,200,000

Percentage Of Share Capital Repurchased

gmab_PercentageOfShareCapitalRepurchased

0.50%

Percentage Of Share Capital Repurchased

gmab_PercentageOfShareCapitalRepurchased

3.30%

Number Of Shares Authorized To Be Repurchased

gmab_NumberOfSharesAuthorizedToBeRepurchased

5,319,724

Number Of Shares Authorized To Be Repurchased

gmab_NumberOfSharesAuthorizedToBeRepurchased

3,763,698

Number of Treasury Shares Outstanding

gmab_NumberOfTreasurySharesOutstanding

915,601

Number of Treasury Shares Outstanding

gmab_NumberOfTreasurySharesOutstanding

2,651,727

Number Of Treasury Shares Cancelled

gmab_NumberOfTreasurySharesCancelled

1,900,000

Disclosure Of Reconciliation Of Borrowings Movement [Table Text Block]

gmab_DisclosureOfReconciliationOfBorrowingsMovementTableTextBlock


	Term A Loans (Secured)	Term B Loans (Secured)	Secured Notes	Unsecured Notes	Total
Beginning Balance as of 12/31/2025	962	1,914	1,441	957	5,274
Loan modification and other adjustments	(2)	(28)	(2)	(1)	(33)
Accrued interest	(2)	(7)	(7)	(6)	(22)
Principal repayments	(25)	(100)	—	—	(125)
Amortization of deferred financing fees	7	28	4	2	41
Ending Balance as of 6/30/2026	940	1,807	1,436	952	5,135

Loan Modification And Other Adjustments