A data-driven guide to MarTech SaaS M&A and venture capital activity from January 2025 through May 2026, covering 170+ M&A transactions and 80+ funding rounds across marketing automation, AdTech, CDPs, influencer marketing, SEO/content tech, analytics, and AI-native MarTech. The article breaks down valuation multiples, major deals, VC trends, and why AI-native MarTech companies are commanding significantly higher revenue multiples than traditional MarTech firms.