Artisan Partners Reports Preliminary AUM as of Aug 31, 2026

What Happened Artisan Partners Asset Management Inc. (APAM) filed a Form 8-K on September 10, 2026 under Item 8.01 to announce and attach a press release reporting the company's preliminary assets under management (AUM) as of August 31, 2026. The press release is included in the filing as Exhibit 99.1 and the filing was signed by Charles J. Daley, Jr., Executive Vice President, Chief Financial Officer and Treasurer.

Key Details

• Filing date: September 10, 2026 (Form 8-K, Item 8.01).
• Event: Press release reporting preliminary AUM as of August 31, 2026 (attached as Exhibit 99.1).
• Signature: Signed by Charles J. Daley, Jr., CFO, on behalf of the company.
• Exhibit: Exhibit 99.1 contains the full press release (no additional financial statements were attached in this Item).

Why It Matters AUM is a primary driver of Artisan’s fee revenue and can signal recent net inflows or outflows and market-driven valuation changes; a preliminary AUM update gives investors timely insight before quarter‑end financial statements are filed. Retail investors should read the attached press release for the specific AUM figure and any commentary on flows or performance, and watch for subsequent quarterly reports or earnings releases for audited results and detailed financial impact.