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Thomson Reuters’ $11 Billion M&A War Chest—A Strategic AI Roll-Up in the Making?

Thomson Reuters reported robust financial performance for the fourth quarter of 2025, with organic revenues increasing by 7% and adjusted EBITDA improving by 8% compared to the prior year. This growth was driven by strong performances across its core segments, particularly the Big 3 segments (Legal Professionals, Corporates, and Tax, Audit & Accounting), which collectively saw organic revenue rise by 9%. The company also achieved full-year organic revenue growth of 7% and expanded its adjusted EBITDA margin by 100 basis points to 39.2%. One key positive takeaway is the company’s significant progress in AI solutions, particularly in the legal sector. The launch of Westlaw Advantage, which combines Thomson Reuters’ proprietary content with AI, has been well-received, setting a new standard in legal research capabilities. Additionally, the positive reception and early sales from CoCounsel Legal further demonstrate potential in AI-driven legal workflows, an area that remains largely untapped.