10 Fastest-Growing AI Stocks to Invest in Now

6. Zeta Global Holdings Corp. (NYSE:ZETA)

Year-over-Year Revenue Growth: 40%

Number of Hedge Fund Holders: 34

Zeta Global Holdings Corp. (NYSE:ZETA) is one of the fastest‑growing AI stocks you can buy right now. On October 9, 2025, Truist bumped its price target to $36 (from $34), while holding firm on its Buy view, citing optimism that Zeta could outpace organic revenue, EBITDA, and free‑cash‑flow expectations over time. The upgrade follows Zeta’s investor day, where the company extended its growth targets and spotlighted its AI and GenUI innovations.

On the same day, Needham reiterated its Buy rating and affirmed a $25 target. Needham emphasized the strength of Zeta’s Q2 results: revenue rose 35.4% year over year, beating estimates, and EBITDA also topped forecasts. It also highlighted Zeta’s AI advances, especially the Athena conversational agent, as giving it a unique edge in a crowded martech landscape. At the levels the stock was trading at, Needham saw upside based on multiples of FY26 revenues and improvements in free cash flow over time.

Zeta Global Holdings Corp (NYSE:ZETA) runs an omnichannel cloud platform that delivers consumer intelligence and marketing automation software to enterprises. Its flagship tools, like Zeta Marketing Platform (ZMP) and its AI modules, help brands unify identity, predict intent, and deliver personalized engagement across email, social, web, video, and more.