5 Fastest-Growing Agentic AI Stocks to Buy

2. SoundHound AI, Inc. (NASDAQ: SOUN)

SoundHound AI, Inc. (NASDAQ: SOUN) is one of the fastest-growing agentic AI stocks to buy.

On April 9, 2026, SoundHound announced a partnership with Associated Carrier Group to bring agentic AI to telecom customer service and employee experience. The deal adds another enterprise vertical to SoundHound’s AI Agent Platform and supports the company’s broader push beyond voice assistants into systems designed to handle more of the actual service workflow. Earlier, on February 24, SoundHound also introduced Sales Assist Agent, a real-time tool for retail teams, indicating a broader commercial rollout of agentic products across industries.

SoundHound entered 2026 with strong momentum. In late February, the company reported full-year 2025 revenue of $168.9 million, up 99% year over year, while fourth-quarter revenue increased 59% to $55.1 million. It also said it closed a record number of enterprise deals in the quarter and forecast another year of growth as businesses shift spending toward AI-native platforms.

SoundHound AI, Inc. (NASDAQ: SOUN) provides voice, conversational, and agentic AI software for customers across automotive, restaurants, retail, telecom, and other enterprise markets.