v3.26.1
Income and deferred tax (Tables)
12 Months Ended
Dec. 31, 2025
Income and deferred tax  
Summary of income tax benefit and expense

​

​

​

​

​

​

​

​

​

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

​

  ​ ​ ​

in k€

​

in k€

  ​ ​ ​

in k€

Current taxes

 

  ​

​

​

 

  ​

- Tax expense for the year

​

(4,843)

​

(7,761)

​

(5,251)

- Income (expense) relating to other periods

​

2,785

​

328

​

(2,666)

Total current income taxes

​

(2,058)

​

(7,433)

​

(7,917)

Deferred taxes

 

​

​

​

​

​

- Tax loss carry forwards

​

(33,136)

​

34,786

​

1,606

- Temporary differences

​

18,443

​

(29,455)

​

2,991

Total deferred income taxes

​

(14,693)

​

5,331

​

4,597

Tax income (expense) recognized in the income statement

 

(16,751)

​

(2,102)

​

(3,320)

Schedule of effective income tax rate

​

​

​

​

​

​

​

​

​

​

  ​ ​ ​

2025

  ​ ​ ​

2024

​

2023

 

​

  ​ ​ ​

in k€

  ​ ​ ​

in k€

​

in k€

 

Income (loss) before taxes

​

(86,766)

​

(193,977)

​

(80,593)

​

Expected German income tax rate

​

32.28

%

32.28

%

32.28

%

Expected income tax benefit (expense)

​

28,008

​

62,616

​

26,015

​

Non-deductible expenses

​

(8,202)

​

(33,773)

​

(8,274)

​

R&D tax credits

​

8,297

​

8,667

​

8,558

​

Tax free income

​

2,322

​

13,106

​

7,968

​

Permanent differences from GILTI

​

(649)

​

(778)

​

(156)

​

Tax effects from investments accounted for using the equity method

​

2,494

​

(683)

​

(8,373)

​

Deviation tax rates to expected tax rate

​

6,137

​

(992)

​

(1,343)

​

Change in tax rates

​

(2,254)

​

—

​

(251)

​

Change in recognition of deferred tax assets

​

(52,791)

​

(49,359)

​

(25,568)

​

Taxes related to prior years

​

​

​

​

​

​

​

Current Taxes

​

2,784

​

328

​

(2,666)

​

Deferred Taxes

​

(2,455)

​

(1,736)

​

556

​

Other

​

(442)

​

502

​

213

​

Effective income tax income (expense)

​

(16,751)

​

(2,102)

​

(3,320)

​

Effective income tax rate

​

(19.31)

%

(1.08)

%

(4.12)

%

Schedule of deferred income tax assets and liabilities

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

January 1, 2025

​

​

​

​

​

December 31, 2025

​

​

​

​

​

​

Recognized in

​

​

​

​

​

​

​

​

​

​

​

​

Recognized

​

 other

​

Foreign 

​

​

​

Deferred

​

Deferred

​

​

​

​

 in

​

comprehensive

​

currency 

​

​

​

 tax

​

 tax

​

​

Net balance

​

 profit or loss

​

income

​

translation

​

Net

​

 assets

​

 liabilities

​

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

Property, plant and equipment

​

(29,391)

​

890

​

—

​

—

​

(28,501)

​

1,990

​

(30,491)

Intangible assets

​

2,610

​

(2,427)

​

—

​

—

​

183

​

321

​

(138)

Rights of use assets

 

(24,114)

​

(5,770)

​

—

 

—

​

(29,884)

 

—

 

(29,884)

Financial assets

 

(35,620)

​

26,507

​

24

 

—

​

(9,089)

 

5,821

 

(14,909)

Provisions and deferred income

 

(322)

​

509

​

(235)

 

—

​

(48)

 

3,035

 

(3,083)

Lease obligations

 

23,849

​

6,391

​

—

 

—

​

30,240

 

30,240

 

—

Other liabilities

 

17,007

​

(7,656)

​

—

 

301

​

9,652

 

10,689

 

(1,037)

Tax credits

 

142

​

(1)

​

—

​

—

​

141

 

141

 

—

Loss carryforward

 

48,656

​

(33,135)

​

—

​

—

​

15,521

 

15,521

 

—

Total

 

2,817

​

(14,693)

​

(211)

 

301

​

(11,786)

 

67,758

 

(79,543)

Offsetting of tax

 

—

​

—

​

—

​

—

​

—

 

(64,809)

 

64,809

Net

 

2,817

​

(14,693)

​

(211)

 

301

​

(11,786)

 

2,949

 

(14,735)

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

January 1, 2024

​

​

​

​

​

December 31, 2024

​

​

​

​

​

​

Recognized in

​

​

​

​

​

​

​

​

​

​

​

​

Recognized

​

other

​

Foreign 

​

​

​

Deferred

​

Deferred

​

​

​

​

 in

​

comprehensive

​

currency

​

​

​

 tax 

​

 tax 

​

​

Net balance

​

 profit or loss

​

income

​

 translation

​

Net

​

assets

​

liabilities

​

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

Property, plant and equipment

​

(11,533)

​

(18,057)

​

—

​

199

​

(29,391)

​

2,252

​

(31,643)

Intangible assets

​

(13,300)

​

15,910

​

—

​

—

​

2,610

​

3,563

​

(953)

Rights of use assets

​

(29,609)

​

5,495

​

—

 

—

​

(24,114)

 

—

 

(24,114)

Financial assets

 

(2,830)

​

(33,209)

​

419

 

—

​

(35,620)

 

978

 

(36,598)

Provisions and deferred income

 

8,121

​

(8,127)

​

(316)

 

—

​

(322)

 

4,856

 

(5,178)

Lease obligations

 

24,701

​

(852)

​

—

 

—

​

23,849

 

23,849

 

—

Other liabilities

 

6,312

​

9,704

​

1,774

 

(783)

​

17,007

 

17,201

 

(194)

Tax credits

 

461

​

(319)

​

—

​

—

​

142

 

142

 

—

Loss carryforward

 

13,870

​

34,786

​

—

​

—

​

48,656

 

48,656

 

—

Total

 

(3,807)

​

5,331

​

1,877

 

(584)

​

2,817

 

101,497

 

(98,680)

Offsetting of tax

 

—

​

—

​

—

​

—

​

—

 

(84,164)

 

84,164

Net

 

(3,807)

​

5,331

​

1,877

 

(584)

​

2,817

 

17,333

 

(14,516)

Summary of tax loss, interest carryforwards and tax credits

​

​

​

​

​

​

​

​

​

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

​

  ​ ​ ​

in k€

​

in k€

  ​ ​ ​

in k€

Tax loss carryforwards (not expiring)

​

1,215,300

​

865,323

 

572,204

Time-limited tax losses

​

​

​

​

​

​

- expiring until 2030 (2024: 2029)

​

198

​

31,648

 

24,768

- expiring 2031 to 2035 (2024: 2030 - 2034)

​

17,248

​

32,019

 

32,179

- expiring after 2035 (2024: 2034)

​

25,978

​

27,303

 

38,243

Tax credits

​

1,192

​

1,337

 

1,181

Total

 

1,259,916

​

957,630

 

668,575