Washington, D.C. 20549 Form 10-Q (Mark One) ☑QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934FOR THE QUARTERLY PERIOD ENDED MARCH31, 2026OR☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934FOR THE TRANSITION PERIOD FROM TO Artisan Partners Asset Management Inc.(Exact name of registrant as specified in its charter) (414)390-6100(Registrant’s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to suchfiling requirements for the past 90 days. Yes☑No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required tosubmit such files). Yes☑No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company,or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerginggrowth company” in Rule 12b-2 of the Exchange Act: Large accelerated filer☑Non-accelerated filer☐ Accelerated filer☐Smaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☑ The number of outstanding shares of the registrant’s Class A common stock, par value $0.01 per share, Class B common stock, par value $0.01 pershare, and Class C common stock, par value $0.01 per share, as of April30, 2026 were 70,993,257, 1,147,029 and 8,917,476, respectively. TABLE OF CONTENTS Item1.Unaudited Consolidated Financial StatementsUnaudited Condensed Consolidated Statements of Financial Condition as ofMarch31, 2026 andDecember31, 2025Unaudited Consolidated Statements of Operationsfor the three months ended March 31, 2026 and 2025Unaudited Consolidated Statements of Comprehensive Incomefor the three months ended March 31, 2026 and 2025Unaudited Consolidated Statements of Changes in Stockholders’ Equityfor the three months ended March 31, 2026 and 2025Unaudited Consolidated Statements of Cash Flows for thethree months ended March 31, 2026 and 2025Notes to Unaudited Consolidated Financial StatementsItem2.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem3.Quantitative and Qualitative Disclosures About Market RiskItem4.Controls and ProceduresPartIIOther InformationItem1.Legal ProceedingsItem1A.Risk FactorsItem2.Unregistered Sales of Equity Securities and Use of ProceedsItem 3.Defaults Upon Senior SecuritiesItem 4.Mine Safety DisclosuresItem 5.Other InformationItem6.ExhibitsSignatures Except where the context requires otherwise, in this report, references to the “Company”, “Artisan”, “we”, “us” or “our” refer to Artisan PartnersAsset Management Inc. (“APAM”) and its direct and indirect subsidiaries, including Artisan Partners Holdings LP (“Holdings”). On March 12, 2013,APAM closed its initial public offering and related corporate reorganization. Prior to that date, APAM was a subsidiary of Artisan Partners Holdings. Forward-Looking Statements This report contains, and from time to time our management may make, forward-looking statements within the meaning of the safe harbor provisionsof the U.S. Private Securities Litigation Reform Act of 1995. Statements regarding future events and our future performance, as well asmanagement’s current expectations, beliefs, plans, estimates or projections relating to the future, are forward-looking statements within the meaningof these laws. In some cases, you can identify these statements by forward-looking words such as “may”, “might”, “will”, “should”, “expects”,“intends”, “plans”, “anticipates”, “believes”, “estimates”, “predicts”, “potential” or “continue”, the negative of these terms and other comparableterminology. Forward-looking statements are only predictions based on current expectations of our management and information available to us at thetime such statements are made. Forward-looking statements are subject to a number of risks and uncertainties, and there are important factors thatcould cause actual results, level of activity, performance, actions or achievements to differ materially from the results, level




