Artisan Partners Asset Management Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☑ Filed by a party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☑ Definitive Proxy Statement

☐ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

ARTISAN PARTNERS ASSET MANAGEMENT INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than The Registrant)

Payment of Filing Fee (Check the appropriate box):

☑ No fee required.

☐ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which transaction applies:

(2) Aggregate number of securities to which transaction applies:

(3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set

forth the amount on which the filing fee is calculated and state how it was determined):

(4) Proposed maximum aggregate value of transaction:

(5) Total fee paid:

☐ Fee paid previously with preliminary materials.

☐ Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting

fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

(1) Amount Previously Paid:

(2) Form, Schedule or Registration Statement No.:

(3) Filing Party:

(4) Date Filed:

April 17, 2026

Dear Stockholder:

On behalf of the Board of Directors of Artisan Partners Asset Management Inc., we cordially invite you to participate in the 2026 Annual Meeting of Stockholders, which will be held virtually on Wednesday, June 3, 2026 at 11:00 a.m. Central Time. The matters to be considered by stockholders at the Annual Meeting, as well as instructions for accessing the virtual meeting platform online, are described in detail in the accompanying materials.

Representatives from our Board of Directors and certain of our executive officers, as well as representatives from our independent registered public accounting firm, will be available at the Annual Meeting to respond to appropriate questions from stockholders.

Information about how to access and review our proxy statement and 2025 Annual Report on Form 10-K is included in the Notice of Internet Availability of Proxy Materials that you will receive in the mail. The notice also explains how you may submit your vote.

Whether or not you plan to attend the Annual Meeting, please submit your vote at your earliest convenience. Thank you for your continued support as a stockholder of Artisan Partners.

Sincerely,

Eric R. ColsonChair of the Board

i

Notice of 2026 Annual Meeting of Stockholders

Stockholders will also transact such other business as may properly come before the Annual Meeting or any adjournment or postponement thereof. We encourage you to read this proxy statement and submit your proxy or voting instructions as soon as possible. You may vote your shares by Internet or, if you received printed proxy materials, by mailing the completed proxy card. Please refer to the section "How do I vote?” for detailed voting instructions.

By Order of the Board of Directors,

Laura E. SimpsonCorporate SecretaryMilwaukee, WisconsinApril 17, 2026

Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be held virtually on Wednesday, June 3,2026, at 11:00 a.m. Central Time. Our proxy statement and 2025 Annual Report on Form 10-K are available at www.astproxyportal.com/ast/18158.

ii

Table of Contents

iii

Artisan Partners Asset Management Inc.

875 E. Wisconsin Avenue, Suite 800

Milwaukee, Wisconsin 53202

Proxy Statement