Is Rubrik Stock a Good Buy?

People have frequently asked me about disruption from artificial intelligence (AI) in recent weeks: Which industries are safe and which are in trouble? I won’t pretend to see the future perfectly. But I will say that I believe cybersecurity is mission-critical software, placing these businesses among those safe from AI replacement.

I believe cybersecurity stocks are safe. I believe cybersecurity stocks with a deep understanding of AI are even safer. And that’s why I want to highlight Rubrik (NYSE: RBRK) today. The stock trades down more than 45% from its all-time high set in mid-2025. But its business is thriving, making this a compelling investment opportunity.

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Rubrik provides enterprises with a way to safely store their data so they can get back up and running if bad actors successfully threaten the business with a cyberattack. This focus allows Rubrik to sidestep a key risk in the space. Other cybersecurity players focus on preventing attacks and suffer reputational damage when their security software fails. By contrast, Rubrik assumes these attacks will happen and provides its service for this reality.

Rubrik’s services are gaining traction. The company packages its services as a subscription, and annual recurring revenue (ARR) was up 34% year over year to $1.35 billion in the third quarter of 2025. This was driven by strong 27% growth from customers spending at least $100,000 annually.

Rubrik’s growth is clearly strong, and adoption is promising. But there’s something else for investors to like: The company generates positive free cash flow, which is growing fast on a per-share basis. And now the stock trades at 44 times its free cash flow.

Some might consider the valuation expensive. But I can get behind Rubrik’s valuation given how fast it’s growing. In short, the company is doing important work, growing quickly, and generating profits, which is why I like Rubrik stock.

As a final thought, AI agents will be the next big technological trend you’ll be hearing about if you’re not hearing about it already. AI agents can perform complex tasks for their creators, and this will be increasingly important for enterprises.

AI agents, however, pose a security risk because they access your data and your applications. Rubrik’s cybersecurity platform already takes this into consideration. Enterprises have a simple way to approve or deny which data their AI agents access.