Cover Page |
12 Months Ended |
|---|---|
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Dec. 31, 2025
shares
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| Document Information [Line Items] | |
| Document Type | 20-F |
| Amendment Flag | false |
| Document Period End Date | Dec. 31, 2025 |
| Document Fiscal Year Focus | 2025 |
| Document Fiscal Period Focus | FY |
| Entity Registrant Name | Immatics N.V. |
| Entity Central Index Key | 0001809196 |
| Current Fiscal Year End Date | --12-31 |
| Entity Well-known Seasoned Issuer | No |
| Entity Current Reporting Status | Yes |
| Entity Filer Category | Accelerated Filer |
| Entity Common Stock, Shares Outstanding | 134,071,432 |
| Entity Voluntary Filers | No |
| Entity Shell Company | false |
| Entity Emerging Growth Company | false |
| Document Annual Report | true |
| Entity Interactive Data Current | Yes |
| ICFR Auditor Attestation Flag | true |
| Document Accounting Standard | International Financial Reporting Standards |
| Entity Incorporation, State or Country Code | P7 |
| Entity File Number | 001-39363 |
| Entity Address, Address Line One | Paul-Ehrlich-Straße 15 |
| Entity Address, City or Town | Tübingen |
| Entity Address, Country | DE |
| Entity Address, Postal Zip Code | 72076 |
| Document Registration Statement | false |
| Document Shell Company Report | false |
| Document Transition Report | false |
| Auditor Name | PricewaterhouseCoopers GmbHWirtschaftsprüfungsgesellschaft |
| Auditor Firm ID | 1275 |
| Auditor Location | Stuttgart, Germany |
| Document Financial Statement Error Correction [Flag] | false |
| Auditor Opinion [Text Block] | Opinions on the Financial Statements and Internal Control over Financial Reporting
We have audited the accompanying consolidated statements of financial position of Immatics N.V. and its subsidiaries (the “Company”) as of December 31, 2025 and 2024, and the related consolidated statements of profit or loss, of comprehensive income/(loss), of changes in shareholders’ equity and of cash flows for each of the three years in the period ended December 31, 2025, including the related notes (collectively referred to as the “consolidated financial statements”). We also have audited the Company’s internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).
In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2025 in conformity with IFRS Accounting Standards as issued by the International Accounting Standards Board. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control - Integrated Framework (2013) issued by the COSO. |
| Business Contact [Member] | |
| Document Information [Line Items] | |
| Contact Personnel Name | Edward A. Sturchio |
| Entity Address, Address Line One | 2130 W. Holcombe Blvd., Suite 900 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77030 |
| City Area Code | 281 |
| Local Phone Number | 810-7545 |
| Common Shares [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Ordinary shares, nominal value €0.01 per share |
| Security Exchange Name | NASDAQ |
| Trading Symbol | IMTX |
| Warrants [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants to purchase ordinary shares |
| Security Exchange Name | NASDAQ |
| Trading Symbol | IMTXW |