Core Insights - Loomis Sayles Small Cap Growth Fund reported a return of 9.37% for Q2 2025, underperforming the Russell 2000 Growth Index which returned 11.97% due to security selection issues in the information technology and financial sectors [1] Company Analysis - Grid Dynamics Holdings, Inc. (NASDAQ:GDYN) experienced a one-month return of -3.37% and a 52-week loss of 44.56%, closing at $7.74 per share with a market capitalization of $676.513 million as of September 29, 2025 [2] - The company faced challenges due to overly aggressive guidance provided in February, which analysts viewed skeptically. The lack of an increase in guidance for the fiscal year in May broke a trend of 'beat and raise' reports, contributing to selling pressures on the stock [3] - Grid Dynamics reported revenue of $101.1 million in Q2 2025, marking a 21.7% increase compared to Q2 2024. However, it is noted that 12 hedge fund portfolios held the stock at the end of Q2, down from 20 in the previous quarter, indicating reduced interest among hedge funds [4]