
The number of outstanding Common Shares as ofDecember31, 2025 was 216,920,735. Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.☒Yes☐No If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section13 or 15(d) of the SecuritiesExchange Act of 1934.☐Yes☒No Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)has been subject to such filing requirements for the past90days.☒Yes☐No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 ofRegulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or an emerging growth company. See definitionof "large accelerated filer," "accelerated filer," and "emerging growth company" in Rule 12b-2 of the Exchange Act. Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Emerging Growth Company☐ If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to usethe extended transition period for complying with any new or revised financial accounting standards* provided pursuant to Section 13(a) of the Exchange Act.☐ * The term "new or revised financial accounting standard" refers to any update issued by the Financial Accounting Standards Board to its Accounting StandardsCodification after April 5, 2012. Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control overfinancial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its auditreport.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflectthe correction of an error to previously issued financial statements.☒ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive based compensation received by any ofthe registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing: ☒U.S. GAAP☐International Financial Reporting Standards as issued by the International Accounting StandardsBoard☐Other Unless the context otherwise requires, references herein to “we,” “us,” “our,” the “Company” or to “QIAGEN” are to QIAGEN N.V. and its consolidated subsidiaries.Totals within tables presented in U.S. dollar millions may contain rounding differences. EXCHANGE RATES QIAGEN publishes its financial statements in U.S. dollars. In this Annual Report on Form 20-F, references to “dollars” or “$” are to U.S. dollars, references to CHF areto the Swiss franc, and references to “EUR”, the “euro” or “€” are to the European Monetary Union euro. Except as otherwise stated herein, all monetary amounts inthis Annual Report on Form 20-F have been presented in U.S. dollars. The exchange rate used for the euro was obtained from the European Central Bank and is based on the daily concertation procedure between central banks acrossEurope, which normally takes place at approximately 2:10 P.M. Central European Time. This rate at March 16, 2026, was $1.1478 per €1. For information regarding the effects of currency fluctuations on our results, see"Operating and Financial Review." TRADEMARKS We have proprietary rights to trademarks, trade names and service marks used in this Annual Report on Form 20-F that are important to our business, many of whichare registered under applicable intellectual property laws. Solely for convenience, trademarks, trade names and service marks referred to in this Annual Report onForm 20-F may appear without the “®” or “™” symbols, but such references are not intended to indicate, in any way, that we will not assert, to the fullest extentpossible under applicable law, our rights or the rights of the applicable licensor to these trademarks, trade names and service marks. We do not intend our use ordisplay of other companies’ trademarks, trade names or service marks to imply a relationship with, or endorsement or sponsorship of us by, any other companies.Each trademark, trade name or service mark of any other com