Artisan Partners, an investment management company, released its “Artisan Mid Cap Fund” third-quarter 2025 investor letter. A copy of the letter can be downloaded here. Global equity markets continued their strength in the third quarter, ending the period with double-digit year-to-date gains. In the quarter, the fund’s Investor Class fund ARTMX returned 8.80%, Advisor Class fund APDMX posted a return of 8.80%, and Institutional Class fund APHMX returned 8.83%, compared to a 2.78% return for the Russell Midc ...

Core Insights - Artisan Partners' "Artisan Mid Cap Fund" reported strong performance in Q3 2025, with returns of 8.80% for both Investor Class and Advisor Class funds, and 8.83% for Institutional Class, significantly outperforming the Russell Midcap Growth Index's 2.78% return [1] Group 1: Fund Performance - The global equity markets showed strength in Q3 2025, ending the period with double-digit year-to-date gains [1] - The fund's significant outperformance was primarily driven by holdings in the health care sector [1] Group 2: Wingstop Inc. Analysis - Wingstop Inc. (NASDAQ:WING) experienced a one-month return of -0.80% and a 52-week decline of 32.52%, closing at $254.99 per share with a market capitalization of $7.12 billion on October 14, 2025 [2] - Despite exceeding quarterly expectations, Wingstop's shares declined due to broader industry weakness, but the company remains confident in growth initiatives such as expanded advertising and smart kitchen technology, which has reduced customer service wait times by 40% [3] - Wingstop's total revenue increased by 12% in Q2 to $174.3 million, with 47 hedge funds holding its stock at the end of Q2, up from 39 in the previous quarter [4]