Form 8-K

8-K — Artisan Partners Asset Management Inc.

Accession: 0001517302-26-000094

Filed: 2026-05-11

Period: 2026-05-11

CIK: 0001517302

SIC: 6282 (INVESTMENT ADVICE)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — apam-20260511.htm (Primary)

EX-99.1 — PRESS RELEASE OF ARTISAN PARTNERS ASSET MANAGEMENT INC. DATED MAY 11, 2026 (april_04x2026xaumxrelease.htm)

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8-K

8-K (Primary)

Filename: apam-20260511.htm · Sequence: 1

apam-20260511

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 11, 2026

Artisan Partners Asset Management Inc.

(Exact name of registrant as specified in its charter)

Delaware 001-35826 45-0969585

(State or other jurisdiction of

incorporation or organization) (Commission file number) (I.R.S. Employer

Identification No.)

875 E. Wisconsin Avenue, Suite 800

Milwaukee, WI 53202

(Address of principal executive offices and zip code)

(414) 390-6100

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol Name of each exchange on which registered

Class A common stock, par value $0.01 per share APAM New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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 with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events

On May 11, 2026, Artisan Partners Asset Management Inc. (the “Company”) issued a press release reporting certain information about the Company’s preliminary assets under management as of April 30, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information in this Item 8.01, including the exhibit incorporated herein by reference, shall be deemed “filed” for purposes of the Securities Exchange Act of 1934, as amended, and shall be deemed incorporated by reference in the Company’s filings under the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits

Exhibit Number Description of Exhibit

99.1

Press Release of Artisan Partners Asset Management Inc. dated May 11, 2026

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Artisan Partners Asset Management Inc.

Date: May 11, 2026

By: /s/ Charles J. Daley, Jr.

Name: Charles J. Daley, Jr.

Title: Executive Vice President, Chief Financial Officer and Treasurer

EX-99.1 — PRESS RELEASE OF ARTISAN PARTNERS ASSET MANAGEMENT INC. DATED MAY 11, 2026

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Document

Artisan Partners Asset Management Inc. Reports April 2026 Assets Under Management

Milwaukee, WI - May 11, 2026 - Artisan Partners Asset Management Inc. (NYSE: APAM) today reported that its preliminary assets under management ("AUM") as of April 30, 2026 totaled $183.0 billion. Artisan Funds and Artisan Global Funds accounted for $89.1 billion of total firm AUM, while separate accounts and other AUM1 accounted for $93.9 billion.

PRELIMINARY ASSETS UNDER MANAGEMENT BY STRATEGY2

As of April 30, 2026 - ($ Millions)

Growth Team

Global Opportunities $ 14,572

Global Discovery 1,083

U.S. Mid-Cap Growth 9,768

U.S. Small-Cap Growth 2,852

Franchise 962

Global Equity Team

Global Equity 443

Non-U.S. Growth 17,135

U.S. Value Team

Value Equity 6,065

U.S. Mid-Cap Value 1,901

Value Income 8

International Value Group

International Value 53,530

International Explorer 1,157

Global Special Situations 36

Global Value Team

Global Value 37,519

Select Equity 1,016

Sustainable Emerging Markets Team

Sustainable Emerging Markets 3,066

Credit Team

High Income 13,912

Credit Opportunities 385

Floating Rate 125

Custom Credit Solutions 1,514

Developing World Team

Developing World 3,253

Antero Peak Group

Antero Peak 2,332

Antero Peak Hedge 234

International Small-Mid Team

Non-U.S. Small-Mid Growth 4,249

EMsights Capital Group

Global Unconstrained 1,623

Emerging Markets Debt Opportunities 1,448

Emerging Markets Local Opportunities 1,903

Grandview Property Partners

Grandview Property Partners3

875

Total Firm Assets Under Management ("AUM") $ 182,966

1 Separate account and other AUM consists of the assets we manage in or through vehicles other than Artisan Funds or Artisan Global Funds. Separate account and other AUM includes assets we manage in traditional separate accounts, as well as assets we manage in Artisan-branded collective investment trusts, and in our own private funds.

2 AUM includes $295.4 million in aggregate for which Artisan Partners provides investment models to managed account sponsors (generally reported on a lag not exceeding one quarter).

3 Represents NAV plus uncalled and recallable capital.

ABOUT ARTISAN PARTNERS

Artisan Partners is a global multi-asset investment platform providing a broad range of high value-added investment strategies in growing asset classes to sophisticated clients around the world. Since 1994, the firm has been committed to attracting experienced, disciplined investment professionals to manage client assets. Artisan Partners' autonomous investment teams oversee a diverse range of investment strategies across multiple asset classes. Strategies are offered through various investment vehicles to accommodate a broad range of client mandates.

Investor Relations Inquiries: 866.632.1770 or ir@artisanpartners.com

Source: Artisan Partners Asset Management Inc.

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