New data reveals dramatic AI market share shifts in 2025 as Black Forest Labs and DeepSeek challenge OpenAI and Google's dominance.

Cigna’s Express Scripts has emerged as the largest pharmacy benefit manager in the U.S. by market share, overtaking long-time ...

Market share is the percentage of total sales in an industry or product category that belong to a particular company. Market share refers to the percentage of an industry’s sales that belong to ...

Steenburgh, Thomas J., and Jill Avery. "Marketing Analysis Toolkit: Market Size and Market Share Analysis (CW)." Harvard Business School Spreadsheet Supplement 510-714, February 2010.