5 AI Funding Rounds in March 2026 That Redefined Tech Valuations
— title: “5 AI Funding Rounds in March 2026 That Redefined Tech Valuations” Category: 41 — Focus Keyword: AI funding round March 2026 Target Audience: Investors, startup founders, and tech professionals tracking AI investment trends Monetization Path: Investment analysis + affiliate VC platform links — Table of Contents [The AI Funding Tsunami Continues](#the-ai-funding-tsunami-continues) [Round #1: Gumloop — $50M Series B by Benchmark](#round-1-gumloop–50m-series-b-by-benchmark) [Round #2: Manifold — $10M Seed for AI Security](#round-2-manifold–10m-seed-for-ai-security) [Round #3: The Agent Infrastructure Bet](#round-3-the-agent-infrastructure-bet) [What These Rounds Signal](#what-these-rounds-signal) [The Valuation Multiple Problem](#the-valuation-multiple-problem) [Who’s Getting Left Behind](#whos-getting-left-behind) — The AI Funding Tsunami Continues March 2026 has been a