West Pharmaceutical Services (WST) is Returning to Sustainable Volume Growth

Conestoga Capital Advisors, an asset management company, released its fourth-quarter 2025 investor letter. A copy of the letter can be downloaded here. In Q4 2025, Conestoga Capital Advisors Mid Cap Strategy returned -5.75% net of fees compared to the Russell Midcap Growth Index’s -3.70% return. The underperformance was driven by negative stock selection in the Technology and Industrials sectors, while positive sector allocation effects partially eased underperformance. The Mid Cap Composite returned -4.73% ...